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game-engin
...
master
39
.gitignore
vendored
39
.gitignore
vendored
@ -100,45 +100,6 @@ fabric.properties
|
||||
# Editor-based Rest Client
|
||||
.idea/httpRequests
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||||
|
||||
target/
|
||||
!.mvn/wrapper/maven-wrapper.jar
|
||||
!**/src/main/**/target/
|
||||
!**/src/test/**/target/
|
||||
|
||||
### IntelliJ IDEA ###
|
||||
.idea/modules.xml
|
||||
.idea/jarRepositories.xml
|
||||
.idea/compiler.xml
|
||||
.idea/libraries/
|
||||
client/.idea/
|
||||
*.iws
|
||||
*.iml
|
||||
*.ipr
|
||||
|
||||
### Eclipse ###
|
||||
.apt_generated
|
||||
.classpath
|
||||
.factorypath
|
||||
.project
|
||||
.settings
|
||||
.springBeans
|
||||
.sts4-cache
|
||||
|
||||
### NetBeans ###
|
||||
/nbproject/private/
|
||||
/nbbuild/
|
||||
/dist/
|
||||
/nbdist/
|
||||
/.nb-gradle/
|
||||
build/
|
||||
!**/src/main/**/build/
|
||||
!**/src/test/**/build/
|
||||
|
||||
### VS Code ###
|
||||
.vscode/
|
||||
|
||||
### Mac OS ###
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||||
.DS_Store
|
||||
# Android studio 3.1+ serialized cache file
|
||||
.idea/caches/build_file_checksums.ser
|
||||
|
||||
|
144
client/pom.xml
144
client/pom.xml
@ -1,144 +0,0 @@
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||||
<?xml version="1.0" encoding="UTF-8"?>
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||||
<project xmlns="http://maven.apache.org/POM/4.0.0"
|
||||
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
|
||||
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
|
||||
<modelVersion>4.0.0</modelVersion>
|
||||
|
||||
<groupId>org.example</groupId>
|
||||
<artifactId>client</artifactId>
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||||
<version>1.0-SNAPSHOT</version>
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||||
|
||||
<properties>
|
||||
<maven.compiler.source>17</maven.compiler.source>
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||||
<maven.compiler.target>17</maven.compiler.target>
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||||
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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||||
<lwjgl.version>3.3.2</lwjgl.version>
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||||
</properties>
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||||
|
||||
<profiles>
|
||||
<profile>
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||||
<id>lwjgl-natives-linux-amd64</id>
|
||||
<activation>
|
||||
<os>
|
||||
<family>unix</family>
|
||||
<arch>amd64</arch>
|
||||
</os>
|
||||
</activation>
|
||||
<properties>
|
||||
<lwjgl.natives>natives-linux</lwjgl.natives>
|
||||
</properties>
|
||||
</profile>
|
||||
<profile>
|
||||
<id>lwjgl-natives-windows-amd64</id>
|
||||
<activation>
|
||||
<os>
|
||||
<family>windows</family>
|
||||
<arch>amd64</arch>
|
||||
</os>
|
||||
</activation>
|
||||
<properties>
|
||||
<lwjgl.natives>natives-windows</lwjgl.natives>
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||||
</properties>
|
||||
</profile>
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||||
</profiles>
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||||
|
||||
<dependencyManagement>
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||||
<dependencies>
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||||
<dependency>
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<groupId>org.lwjgl</groupId>
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<artifactId>lwjgl-bom</artifactId>
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||||
<version>${lwjgl.version}</version>
|
||||
<scope>import</scope>
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||||
<type>pom</type>
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||||
</dependency>
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||||
</dependencies>
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||||
</dependencyManagement>
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||||
|
||||
<dependencies>
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||||
<dependency>
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||||
<groupId>org.lwjgl</groupId>
|
||||
<artifactId>lwjgl</artifactId>
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||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.lwjgl</groupId>
|
||||
<artifactId>lwjgl-assimp</artifactId>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.lwjgl</groupId>
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||||
<artifactId>lwjgl-bgfx</artifactId>
|
||||
</dependency>
|
||||
<dependency>
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||||
<groupId>org.lwjgl</groupId>
|
||||
<artifactId>lwjgl-glfw</artifactId>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.lwjgl</groupId>
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||||
<artifactId>lwjgl-nanovg</artifactId>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.lwjgl</groupId>
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||||
<artifactId>lwjgl-nuklear</artifactId>
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||||
</dependency>
|
||||
<dependency>
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||||
<groupId>org.lwjgl</groupId>
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||||
<artifactId>lwjgl-openal</artifactId>
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||||
</dependency>
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||||
<dependency>
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||||
<groupId>org.lwjgl</groupId>
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||||
<artifactId>lwjgl-opengl</artifactId>
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||||
</dependency>
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||||
<dependency>
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||||
<groupId>org.lwjgl</groupId>
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||||
<artifactId>lwjgl-par</artifactId>
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||||
</dependency>
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||||
<dependency>
|
||||
<groupId>org.lwjgl</groupId>
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||||
<artifactId>lwjgl-stb</artifactId>
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||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.lwjgl</groupId>
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||||
<artifactId>lwjgl</artifactId>
|
||||
<classifier>${lwjgl.natives}</classifier>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.lwjgl</groupId>
|
||||
<artifactId>lwjgl-bgfx</artifactId>
|
||||
<classifier>${lwjgl.natives}</classifier>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.lwjgl</groupId>
|
||||
<artifactId>lwjgl-glfw</artifactId>
|
||||
<classifier>${lwjgl.natives}</classifier>
|
||||
</dependency>
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||||
<dependency>
|
||||
<groupId>org.lwjgl</groupId>
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||||
<artifactId>lwjgl-nanovg</artifactId>
|
||||
<classifier>${lwjgl.natives}</classifier>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.lwjgl</groupId>
|
||||
<artifactId>lwjgl-nuklear</artifactId>
|
||||
<classifier>${lwjgl.natives}</classifier>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.lwjgl</groupId>
|
||||
<artifactId>lwjgl-openal</artifactId>
|
||||
<classifier>${lwjgl.natives}</classifier>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.lwjgl</groupId>
|
||||
<artifactId>lwjgl-opengl</artifactId>
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||||
<classifier>${lwjgl.natives}</classifier>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.lwjgl</groupId>
|
||||
<artifactId>lwjgl-par</artifactId>
|
||||
<classifier>${lwjgl.natives}</classifier>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.lwjgl</groupId>
|
||||
<artifactId>lwjgl-stb</artifactId>
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||||
<classifier>${lwjgl.natives}</classifier>
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||||
</dependency>
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||||
</dependencies>
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</project>
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@ -1,15 +0,0 @@
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package core;
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import core.engine.Engine;
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public class Main {
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private static final Engine gameEngine = new Engine();
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public static void main(String[] args) {
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}
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}
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@ -1,258 +0,0 @@
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package core.engine;
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import core.engine.entity.Camera;
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import core.engine.entity.Entity;
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import core.engine.entity.Light;
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import core.engine.model.HexagonModel;
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import core.engine.model.RawModel;
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import core.engine.model.TexturedModel;
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import core.engine.renderer.MasterRenderer;
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import core.engine.terrain.Terrain;
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import core.engine.textures.ModelTexture;
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import core.engine.toolbox.MousePicker;
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import org.lwjgl.BufferUtils;
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import org.lwjgl.Version;
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import org.lwjgl.glfw.*;
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import org.lwjgl.opengl.GL;
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import org.lwjgl.system.MemoryStack;
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import utils.vectors.Vector3f;
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import java.nio.DoubleBuffer;
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import java.nio.IntBuffer;
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import static org.lwjgl.glfw.Callbacks.glfwFreeCallbacks;
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import static org.lwjgl.glfw.GLFW.*;
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import static org.lwjgl.glfw.GLFW.glfwSwapBuffers;
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import static org.lwjgl.opengl.GL11.glClearColor;
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import static org.lwjgl.system.MemoryStack.stackPush;
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import static org.lwjgl.system.MemoryUtil.NULL;
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public class Engine {
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private long window;
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private GLFWKeyCallback glfwKeyCallback;
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private final Loader loader = new Loader();
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public static int WINDOW_WIDTH = 1280;
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public static int WINDOW_HEIGHT = 720;
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private static boolean isMouseWheelPressed = false;
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private static DoubleBuffer lastCursorX = BufferUtils.createDoubleBuffer(1);
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private static DoubleBuffer lastCursorY = BufferUtils.createDoubleBuffer(1);
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public Engine() {
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System.out.println("Hello LWJGL " + Version.getVersion() + "!");
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init();
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loop();
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// Free the window callbacks and destroy the window
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glfwFreeCallbacks(window);
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glfwDestroyWindow(window);
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// Terminate GLFW and free the error callback
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glfwTerminate();
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glfwSetErrorCallback(null).free();
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}
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private void init() {
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// Setup an error callback. The default implementation
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// will print the error message in System.err.
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GLFWErrorCallback.createPrint(System.err).set();
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// Initialize GLFW. Most GLFW functions will not work before doing this.
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if ( !glfwInit() )
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throw new IllegalStateException("Unable to initialize GLFW");
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// Configure GLFW
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glfwDefaultWindowHints(); // optional, the current window hints are already the default
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glfwWindowHint(GLFW_VISIBLE, GLFW_FALSE); // the window will stay hidden after creation
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glfwWindowHint(GLFW_RESIZABLE, GLFW_FALSE); // the window will be resizable
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// Create the window
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window = glfwCreateWindow(1280, 720, "Hello World!", NULL, NULL);
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if ( window == NULL )
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throw new RuntimeException("Failed to create the GLFW window");
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// Setup a key callback. It will be called every time a key is pressed, repeated or released.
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glfwSetKeyCallback(window, (window, key, scancode, action, mods) -> {
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if ( key == GLFW_KEY_ESCAPE && action == GLFW_RELEASE )
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glfwSetWindowShouldClose(window, true); // We will detect this in the rendering loop
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});
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// Get the thread stack and push a new frame
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try ( MemoryStack stack = stackPush() ) {
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IntBuffer pWidth = stack.mallocInt(1); // int*
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IntBuffer pHeight = stack.mallocInt(1); // int*
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||||
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||||
// Get the window size passed to glfwCreateWindow
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glfwGetWindowSize(window, pWidth, pHeight);
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||||
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||||
// Get the resolution of the primary monitor
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||||
GLFWVidMode vidmode = glfwGetVideoMode(glfwGetPrimaryMonitor());
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||||
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||||
// Center the window
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glfwSetWindowPos(
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window,
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(vidmode.width() - pWidth.get(0)) / 2,
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||||
(vidmode.height() - pHeight.get(0)) / 2
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||||
);
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||||
} // the stack frame is popped automatically
|
||||
|
||||
// Make the OpenGL context current
|
||||
glfwMakeContextCurrent(window);
|
||||
// Enable v-sync
|
||||
glfwSwapInterval(1);
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||||
|
||||
// Make the window visible
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||||
glfwShowWindow(window);
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||||
}
|
||||
|
||||
private void loop() {
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||||
// This line is critical for LWJGL's interoperation with GLFW's
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||||
// OpenGL context, or any context that is managed externally.
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||||
// LWJGL detects the context that is current in the current thread,
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||||
// creates the GLCapabilities instance and makes the OpenGL
|
||||
// bindings available for use.
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||||
GL.createCapabilities();
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||||
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||||
// Set the clear color
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glClearColor(1.0f, 0.0f, 0.0f, 0.0f);
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Camera camera = new Camera();
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||||
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Light light = new Light(new Vector3f(0,0,-20), new Vector3f(1,1,1));
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||||
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||||
//Generate Simple, Flat Terrain
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Terrain terrain = new Terrain( loader, new ModelTexture(loader.loadTexture("white")), 16, 16, 7);
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//Create Hexagon
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HexagonModel hexagonModel = new HexagonModel();
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RawModel hexagonRawModel = loader.loadHexagon(hexagonModel);
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ModelTexture hexagonTexture = new ModelTexture(loader.loadTexture("white"));
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TexturedModel hexagontexturedModel = new TexturedModel(hexagonRawModel, hexagonTexture);
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||||
Entity hexagonEntity = new Entity(hexagontexturedModel, new Vector3f(0,1,0), 0,0,0,1);
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||||
|
||||
// Run the rendering loop until the user has attempted to close
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||||
// the window or has pressed the ESCAPE key.
|
||||
MasterRenderer renderer = new MasterRenderer();
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MousePicker mousePicker = new MousePicker(camera, renderer.getProjectionMatrix(), terrain);
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||||
input(camera, renderer, mousePicker);
|
||||
while ( !glfwWindowShouldClose(window) ) {
|
||||
|
||||
renderer.processTerrain(terrain);
|
||||
|
||||
//renderer.processEntity(hexagonEntity);
|
||||
renderer.render(light, camera);
|
||||
DoubleBuffer posX = BufferUtils.createDoubleBuffer(1);
|
||||
DoubleBuffer posY = BufferUtils.createDoubleBuffer(1);
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||||
glfwGetCursorPos(window, posX, posY);
|
||||
mousePicker.update((float) posX.get(0), (float) posY.get(0));
|
||||
glfwSwapBuffers(window); // swap the color buffers
|
||||
// Poll for window events. The key callback above will only be
|
||||
// invoked during this call.
|
||||
glfwPollEvents();
|
||||
}
|
||||
renderer.cleanUp();
|
||||
loader.cleanUp();
|
||||
}
|
||||
|
||||
private void input(Camera camera, MasterRenderer masterRenderer, MousePicker mousePicker) {
|
||||
|
||||
GLFWScrollCallback glfwScrollCallback = new GLFWScrollCallback() {
|
||||
@Override
|
||||
public void invoke(long window, double xOffset, double yOffset) {
|
||||
if(yOffset > 0) {
|
||||
camera.zoomIn();
|
||||
} else if(yOffset < 0) {
|
||||
camera.zoomOut();
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
GLFWMouseButtonCallback glfwMouseButtonCallback = new GLFWMouseButtonCallback() {
|
||||
@Override
|
||||
public void invoke(long window, int button, int action, int mods) {
|
||||
if (button == GLFW.GLFW_MOUSE_BUTTON_MIDDLE && action == GLFW.GLFW_PRESS) {
|
||||
// Middle mouse button pressed
|
||||
isMouseWheelPressed = true;
|
||||
glfwGetCursorPos(window, lastCursorX, lastCursorY);
|
||||
} else if (button == GLFW.GLFW_MOUSE_BUTTON_MIDDLE && action == GLFW.GLFW_RELEASE) {
|
||||
// Middle mouse button released
|
||||
isMouseWheelPressed = false;
|
||||
}
|
||||
|
||||
if(button == GLFW_MOUSE_BUTTON_LEFT && action == GLFW_PRESS) {
|
||||
//Track mouse position
|
||||
DoubleBuffer posX = BufferUtils.createDoubleBuffer(1);
|
||||
DoubleBuffer posY = BufferUtils.createDoubleBuffer(1);
|
||||
glfwGetCursorPos(window, posX, posY);
|
||||
mousePicker.update((float) posX.get(0), (float) posY.get(0));
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
// Define the cursor position callback function
|
||||
GLFWCursorPosCallback cursorPosCallback = new GLFWCursorPosCallback() {
|
||||
@Override
|
||||
public void invoke(long window, double xpos, double ypos) {
|
||||
if (isMouseWheelPressed) {
|
||||
// Calculate the offset
|
||||
double xOffset = xpos - lastCursorX.get(0);
|
||||
double yOffset = ypos - lastCursorY.get(0);
|
||||
|
||||
// Use xOffset and yOffset for your desired functionality
|
||||
if(yOffset > 0) {
|
||||
camera.decreasePitch();
|
||||
} else if(yOffset < 0) {
|
||||
camera.increasePitch();
|
||||
}
|
||||
|
||||
if(xOffset > 0) {
|
||||
camera.decreaseYaw();
|
||||
} else if(xOffset < 0) {
|
||||
camera.increaseYaw();
|
||||
}
|
||||
|
||||
// Update the last cursor position
|
||||
lastCursorX.put(0, xpos);
|
||||
lastCursorY.put(0, ypos);
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
glfwSetMouseButtonCallback(window, glfwMouseButtonCallback);
|
||||
glfwSetCursorPosCallback(window, cursorPosCallback);
|
||||
|
||||
glfwSetScrollCallback(window, glfwScrollCallback);
|
||||
glfwSetKeyCallback(window, glfwKeyCallback = new GLFWKeyCallback() {
|
||||
@Override
|
||||
public void invoke(long window, int key, int scancode, int action, int mods) {
|
||||
if(key == GLFW_KEY_A) {
|
||||
//move camera to left
|
||||
camera.moveLeft();
|
||||
}
|
||||
|
||||
if(key == GLFW_KEY_D) {
|
||||
//move camera to right
|
||||
camera.moveRight();
|
||||
}
|
||||
|
||||
if(key == GLFW_KEY_W) {
|
||||
camera.moveForward();
|
||||
}
|
||||
|
||||
if(key == GLFW_KEY_S) {
|
||||
camera.moveBackward();
|
||||
}
|
||||
|
||||
if(key == GLFW_KEY_Y && action == GLFW_PRESS) {
|
||||
masterRenderer.switchWireframe();
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
|
||||
|
||||
}
|
||||
|
||||
}
|
@ -1,103 +0,0 @@
|
||||
package core.engine;
|
||||
|
||||
import core.engine.model.HexagonModel;
|
||||
import core.engine.model.RawModel;
|
||||
import core.engine.textures.Texture;
|
||||
import org.lwjgl.BufferUtils;
|
||||
import org.lwjgl.opengl.GL11;
|
||||
import org.lwjgl.opengl.GL15;
|
||||
import org.lwjgl.opengl.GL20;
|
||||
import org.lwjgl.opengl.GL30;
|
||||
|
||||
import java.nio.FloatBuffer;
|
||||
import java.nio.IntBuffer;
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
|
||||
public class Loader {
|
||||
|
||||
private List<Integer> vaos = new ArrayList<>();
|
||||
private List<Integer> vbos = new ArrayList<>();
|
||||
private List<Integer> textureIDs = new ArrayList<>();
|
||||
|
||||
public RawModel loadToVAO(float[] positions, float[] textureCoords, float[] normals, int[] indices) {
|
||||
int vaoID = createVAO();
|
||||
bindIndicesBuffer(indices);
|
||||
storeDataInAttributeList(0, 3,positions);
|
||||
storeDataInAttributeList(1, 2, textureCoords);
|
||||
storeDataInAttributeList(2, 3, normals);
|
||||
unbindVAO();
|
||||
return new RawModel(vaoID, indices.length);
|
||||
}
|
||||
|
||||
public RawModel loadHexagon(HexagonModel hexagonModel) {
|
||||
return loadToVAO(hexagonModel.getVertices(), hexagonModel.getTextureCoords(), hexagonModel.getNormals(), hexagonModel.getIndices());
|
||||
}
|
||||
|
||||
public int loadTexture(String fileName) {
|
||||
Texture texture = new Texture("res/" + fileName + ".png");
|
||||
int textureID = texture.getTextureID();
|
||||
this.textureIDs.add(textureID);
|
||||
return textureID;
|
||||
}
|
||||
|
||||
private int createVAO() {
|
||||
int vao = GL30.glGenVertexArrays();
|
||||
vaos.add(vao);
|
||||
GL30.glBindVertexArray(vao);
|
||||
return vao;
|
||||
}
|
||||
|
||||
private void storeDataInAttributeList(int attributeNumber, int coordinateSize, float[] data) {
|
||||
int vboID = GL15.glGenBuffers();
|
||||
vbos.add(vboID);
|
||||
GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, vboID);
|
||||
FloatBuffer floatBuffer = storeInFloatBuffer(data);
|
||||
GL15.glBufferData(GL15.GL_ARRAY_BUFFER, floatBuffer, GL15.GL_STATIC_DRAW);
|
||||
GL20.glVertexAttribPointer(attributeNumber, coordinateSize, GL11.GL_FLOAT, false, 0,0);
|
||||
GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);
|
||||
}
|
||||
|
||||
private void unbindVAO() {
|
||||
GL30.glBindVertexArray(0);
|
||||
}
|
||||
|
||||
private void bindIndicesBuffer(int[] indices) {
|
||||
int vboID = GL15.glGenBuffers();
|
||||
vbos.add(vboID);
|
||||
GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, vboID);
|
||||
IntBuffer buffer = storeInIntBuffer(indices);
|
||||
GL15.glBufferData(GL15.GL_ELEMENT_ARRAY_BUFFER, indices, GL15.GL_STATIC_DRAW);
|
||||
}
|
||||
|
||||
private IntBuffer storeInIntBuffer(int[] data) {
|
||||
IntBuffer intBuffer = BufferUtils.createIntBuffer(data.length);
|
||||
intBuffer.put(data);
|
||||
//Buffer is until know expected to be written to. Flip it, so it can be read
|
||||
intBuffer.flip();
|
||||
return intBuffer;
|
||||
}
|
||||
|
||||
private FloatBuffer storeInFloatBuffer(float[] data) {
|
||||
FloatBuffer floatBuffer = BufferUtils.createFloatBuffer(data.length);
|
||||
floatBuffer.put(data);
|
||||
//Buffer is until know expected to be written to. Flip it, so it can be read
|
||||
floatBuffer.flip();
|
||||
return floatBuffer;
|
||||
}
|
||||
|
||||
|
||||
public void cleanUp() {
|
||||
for(int vao: vaos) {
|
||||
GL30.glDeleteVertexArrays(vao);
|
||||
}
|
||||
|
||||
for(int vbo: vbos) {
|
||||
GL15.glDeleteBuffers(vbo);
|
||||
}
|
||||
|
||||
for(int textureID: textureIDs) {
|
||||
GL11.glDeleteTextures(textureID);
|
||||
}
|
||||
}
|
||||
}
|
@ -1,119 +0,0 @@
|
||||
package core.engine;
|
||||
|
||||
import core.engine.model.RawModel;
|
||||
import utils.vectors.Vector2f;
|
||||
import utils.vectors.Vector3f;
|
||||
|
||||
import java.io.BufferedReader;
|
||||
import java.io.FileNotFoundException;
|
||||
import java.io.FileReader;
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
|
||||
public class OBJLoader {
|
||||
|
||||
public static RawModel loadOBJModel(String fileName, Loader loader) {
|
||||
FileReader fileReader = null;
|
||||
try {
|
||||
fileReader = new FileReader("res/" + fileName + ".obj");
|
||||
} catch (FileNotFoundException e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
|
||||
if(fileReader != null) {
|
||||
BufferedReader bufferedReader = new BufferedReader(fileReader);
|
||||
String line = null;
|
||||
List<Vector3f> vertices = new ArrayList<>();
|
||||
List<Vector2f> textures = new ArrayList<>();
|
||||
List<Vector3f> normals = new ArrayList<>();
|
||||
List<Integer> indices = new ArrayList<>();
|
||||
|
||||
float[] verticesArray = null;
|
||||
float[] normalsArray = null;
|
||||
float[] texturesArray = null;
|
||||
int[] indicesArray = null;
|
||||
|
||||
try {
|
||||
while(bufferedReader.ready()) {
|
||||
line = bufferedReader.readLine();
|
||||
String[] splittedLine = line.split(" ");
|
||||
if(splittedLine[0].equals("v")) {
|
||||
Vector3f vertex = new Vector3f(Float.parseFloat(splittedLine[1]),
|
||||
Float.parseFloat(splittedLine[2]), Float.parseFloat(splittedLine[3]));
|
||||
vertices.add(vertex);
|
||||
} else if(splittedLine[0].equals("vt")) {
|
||||
Vector2f texture = new Vector2f(Float.parseFloat(splittedLine[1]), Float.parseFloat(splittedLine[2]));
|
||||
textures.add(texture);
|
||||
} else if(splittedLine[0].equals("vn")) {
|
||||
Vector3f normal = new Vector3f(Float.parseFloat(splittedLine[1]),
|
||||
Float.parseFloat(splittedLine[2]), Float.parseFloat(splittedLine[3]));
|
||||
normals.add(normal);
|
||||
} else if(splittedLine[0].equals("f")) {
|
||||
//No more vertices/textures/normals should be added at this point in the file
|
||||
texturesArray = new float[vertices.size()*2];
|
||||
normalsArray = new float[vertices.size()*3];
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
while(line != null) {
|
||||
if(!line.startsWith("f ")) {
|
||||
line = bufferedReader.readLine();
|
||||
continue;
|
||||
}
|
||||
|
||||
String[] splittedLine = line.split(" ");
|
||||
String[] vertex1 = splittedLine[1].split("/");
|
||||
String[] vertex2 = splittedLine[2].split("/");
|
||||
String[] vertex3 = splittedLine[3].split("/");
|
||||
|
||||
processVertex(vertex1, indices, textures, normals, texturesArray, normalsArray);
|
||||
processVertex(vertex2, indices, textures, normals, texturesArray, normalsArray);
|
||||
processVertex(vertex3, indices, textures, normals, texturesArray, normalsArray);
|
||||
|
||||
line = bufferedReader.readLine();
|
||||
}
|
||||
|
||||
bufferedReader.close();
|
||||
fileReader.close();
|
||||
} catch(Exception e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
|
||||
verticesArray = new float[vertices.size()*3];
|
||||
indicesArray = new int[indices.size()];
|
||||
int vertexPointer = 0;
|
||||
|
||||
for(Vector3f vertex: vertices) {
|
||||
verticesArray[vertexPointer++] = vertex.x;
|
||||
verticesArray[vertexPointer++] = vertex.y;
|
||||
verticesArray[vertexPointer++] = vertex.z;
|
||||
}
|
||||
|
||||
for(int i=0; i<indices.size(); i++) {
|
||||
indicesArray[i] = indices.get(i);
|
||||
}
|
||||
|
||||
return loader.loadToVAO(verticesArray, texturesArray, normalsArray, indicesArray);
|
||||
} else {
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
||||
private static void processVertex(String[] vertexData, List<Integer> indices, List<Vector2f> textures,
|
||||
List<Vector3f> normals, float[] textureArray, float[] normalsArray) {
|
||||
int currentVertexPointer = Integer.parseInt(vertexData[0]) -1;
|
||||
indices.add(currentVertexPointer);
|
||||
Vector2f currentTex = textures.get(Integer.parseInt(vertexData[1])-1);
|
||||
textureArray[currentVertexPointer*2] = currentTex.x;
|
||||
textureArray[currentVertexPointer*2+1] = 1 - currentTex.y;
|
||||
Vector3f currentNorm = normals.get(Integer.parseInt(vertexData[2])-1);
|
||||
normalsArray[currentVertexPointer*3] = currentNorm.x;
|
||||
normalsArray[currentVertexPointer*3+1] = currentNorm.y;
|
||||
normalsArray[currentVertexPointer*3+2] = currentNorm.z;
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
||||
}
|
@ -1,79 +0,0 @@
|
||||
package core.engine.entity;
|
||||
|
||||
import utils.vectors.Vector3f;
|
||||
|
||||
public class Camera {
|
||||
|
||||
private Vector3f position = new Vector3f(0, 37,0);
|
||||
private float pitch = 90;
|
||||
private float yaw = 180;
|
||||
private float roll;
|
||||
|
||||
public void moveLeft() {
|
||||
position.x += 0.5f;
|
||||
}
|
||||
|
||||
public void moveForward() {
|
||||
position.z -= .5f;
|
||||
}
|
||||
|
||||
public void moveBackward() {
|
||||
position.z += .5f;
|
||||
}
|
||||
|
||||
public void moveRight() {
|
||||
position.x -= .5f;
|
||||
}
|
||||
|
||||
public void zoomOut() {
|
||||
position.y += 0.5f;
|
||||
}
|
||||
|
||||
public void zoomIn() {
|
||||
position.y -= 0.5f;
|
||||
}
|
||||
|
||||
public void increasePitch() {
|
||||
this.pitch += .5f;
|
||||
}
|
||||
|
||||
public void decreasePitch() {
|
||||
this.pitch -= .5f;
|
||||
}
|
||||
|
||||
public void increaseYaw() {
|
||||
this.yaw += 0.5f;
|
||||
}
|
||||
|
||||
public void decreaseYaw() {
|
||||
this.yaw -= 0.5f;
|
||||
}
|
||||
|
||||
public Vector3f getPosition() {
|
||||
return position;
|
||||
}
|
||||
|
||||
public float getPitch() {
|
||||
return pitch;
|
||||
}
|
||||
|
||||
public float getYaw() {
|
||||
return yaw;
|
||||
}
|
||||
|
||||
public float getRoll() {
|
||||
return roll;
|
||||
}
|
||||
|
||||
public void setPitch(float pitch) {
|
||||
this.pitch += pitch;
|
||||
}
|
||||
|
||||
public void setYaw(float yaw) {
|
||||
this.yaw += yaw;
|
||||
}
|
||||
|
||||
public void setRoll(float roll) {
|
||||
this.roll += roll;
|
||||
}
|
||||
}
|
@ -1,81 +0,0 @@
|
||||
package core.engine.entity;
|
||||
|
||||
import core.engine.model.TexturedModel;
|
||||
import utils.vectors.Vector3f;
|
||||
|
||||
public class Entity {
|
||||
|
||||
private TexturedModel model;
|
||||
private Vector3f position;
|
||||
private float rotX, rotY, rotZ;
|
||||
private float scale;
|
||||
|
||||
public Entity(TexturedModel model, Vector3f position, float rotX, float rotY, float rotZ, float scale) {
|
||||
this.model = model;
|
||||
this.position = position;
|
||||
this.rotX = rotX;
|
||||
this.rotY = rotY;
|
||||
this.rotZ = rotZ;
|
||||
this.scale = scale;
|
||||
}
|
||||
|
||||
public void increasePosition(float dx, float dy, float dz) {
|
||||
position.x += dx;
|
||||
position.y += dy;
|
||||
position.z += dz;
|
||||
}
|
||||
|
||||
public void increaseRotation(float dx, float dy, float dz) {
|
||||
rotX += dx;
|
||||
rotY += dy;
|
||||
rotZ += dz;
|
||||
}
|
||||
|
||||
public TexturedModel getModel() {
|
||||
return model;
|
||||
}
|
||||
|
||||
public void setModel(TexturedModel model) {
|
||||
this.model = model;
|
||||
}
|
||||
|
||||
public Vector3f getPosition() {
|
||||
return position;
|
||||
}
|
||||
|
||||
public void setPosition(Vector3f position) {
|
||||
this.position = position;
|
||||
}
|
||||
|
||||
public float getRotX() {
|
||||
return rotX;
|
||||
}
|
||||
|
||||
public void setRotX(float rotX) {
|
||||
this.rotX = rotX;
|
||||
}
|
||||
|
||||
public float getRotY() {
|
||||
return rotY;
|
||||
}
|
||||
|
||||
public void setRotY(float rotY) {
|
||||
this.rotY = rotY;
|
||||
}
|
||||
|
||||
public float getRotZ() {
|
||||
return rotZ;
|
||||
}
|
||||
|
||||
public void setRotZ(float rotZ) {
|
||||
this.rotZ = rotZ;
|
||||
}
|
||||
|
||||
public float getScale() {
|
||||
return scale;
|
||||
}
|
||||
|
||||
public void setScale(float scale) {
|
||||
this.scale = scale;
|
||||
}
|
||||
}
|
@ -1,30 +0,0 @@
|
||||
package core.engine.entity;
|
||||
|
||||
import utils.vectors.Vector3f;
|
||||
|
||||
public class Light {
|
||||
|
||||
private Vector3f position;
|
||||
private Vector3f color;
|
||||
|
||||
public Light(Vector3f position, Vector3f color) {
|
||||
this.position = position;
|
||||
this.color = color;
|
||||
}
|
||||
|
||||
public Vector3f getPosition() {
|
||||
return position;
|
||||
}
|
||||
|
||||
public void setPosition(Vector3f position) {
|
||||
this.position = position;
|
||||
}
|
||||
|
||||
public Vector3f getColor() {
|
||||
return color;
|
||||
}
|
||||
|
||||
public void setColor(Vector3f color) {
|
||||
this.color = color;
|
||||
}
|
||||
}
|
@ -1,88 +0,0 @@
|
||||
package core.engine.model;
|
||||
|
||||
import utils.vectors.Vector3f;
|
||||
public class HexagonModel {
|
||||
|
||||
private float[] vertices;
|
||||
private float[] normals;
|
||||
private float[] textureCoords;
|
||||
private int[] indices;
|
||||
|
||||
public HexagonModel() {
|
||||
// Vertices (including the center)
|
||||
vertices = new float[]{
|
||||
0.0f, 0.0f, 0.0f, // Center
|
||||
0.0f, 0.0f, 1.0f, // Top Vertex
|
||||
0.866f, 0.0f, 0.5f, // Upper Right Vertex
|
||||
0.866f, 0.0f, -0.5f, // Lower Right Vertex
|
||||
0.0f, 0.0f, -1.0f, // Bottom Vertex
|
||||
-0.866f, 0.0f, -0.5f, // Lower Left Vertex
|
||||
-0.866f, 0.0f, 0.5f // Upper Left Vertex
|
||||
};
|
||||
|
||||
// Normals
|
||||
normals = new float[]{
|
||||
0, 1, 0, // Center
|
||||
0, 1, 0, // Top Vertex
|
||||
0, 1, 0, // Upper Right Vertex
|
||||
0, 1, 0, // Lower Right Vertex
|
||||
0, 1, 0, // Bottom Vertex
|
||||
0, 1, 0, // Lower Left Vertex
|
||||
0, 1, 0 // Upper Left Vertex
|
||||
};
|
||||
|
||||
// Texture Coordinates
|
||||
textureCoords = new float[]{
|
||||
0.5f, 0.5f, // Center
|
||||
0.5f, 0.0f, // Top Vertex
|
||||
1.0f, 0.25f, // Upper Right Vertex
|
||||
1.0f, 0.75f, // Lower Right Vertex
|
||||
0.5f, 1.0f, // Bottom Vertex
|
||||
0.0f, 0.75f, // Lower Left Vertex
|
||||
0.0f, 0.25f // Upper Left Vertex
|
||||
};
|
||||
|
||||
// Indices
|
||||
indices = new int[]{
|
||||
0, 1, 2, // Center to Top Vertex to Upper Right Vertex
|
||||
0, 2, 3, // Center to Upper Right Vertex to Lower Right Vertex
|
||||
0, 3, 4, // Center to Lower Right Vertex to Bottom Vertex
|
||||
0, 4, 5, // Center to Bottom Vertex to Lower Left Vertex
|
||||
0, 5, 6, // Center to Lower Left Vertex to Upper Left Vertex
|
||||
0, 6, 1 // Center to Upper Left Vertex to Top Vertex
|
||||
};
|
||||
|
||||
}
|
||||
|
||||
public float[] getVertices() {
|
||||
return vertices;
|
||||
}
|
||||
|
||||
public void setVertices(float[] vertices) {
|
||||
this.vertices = vertices;
|
||||
}
|
||||
|
||||
public float[] getNormals() {
|
||||
return normals;
|
||||
}
|
||||
|
||||
public void setNormals(float[] normals) {
|
||||
this.normals = normals;
|
||||
}
|
||||
|
||||
public float[] getTextureCoords() {
|
||||
return textureCoords;
|
||||
}
|
||||
|
||||
public void setTextureCoords(float[] textureCoords) {
|
||||
this.textureCoords = textureCoords;
|
||||
}
|
||||
|
||||
public int[] getIndices() {
|
||||
return indices;
|
||||
}
|
||||
|
||||
public void setIndices(int[] indices) {
|
||||
this.indices = indices;
|
||||
}
|
||||
}
|
@ -1,20 +0,0 @@
|
||||
package core.engine.model;
|
||||
|
||||
public class RawModel {
|
||||
|
||||
private final int vaoID;
|
||||
private final int vertexCount;
|
||||
|
||||
public RawModel(int vaoID, int vertexCount) {
|
||||
this.vaoID = vaoID;
|
||||
this.vertexCount = vertexCount;
|
||||
}
|
||||
|
||||
public int getVaoID() {
|
||||
return vaoID;
|
||||
}
|
||||
|
||||
public int getVertexCount() {
|
||||
return vertexCount;
|
||||
}
|
||||
}
|
@ -1,22 +0,0 @@
|
||||
package core.engine.model;
|
||||
|
||||
import core.engine.textures.ModelTexture;
|
||||
|
||||
public class TexturedModel {
|
||||
|
||||
private RawModel rawModel;
|
||||
private ModelTexture modelTexture;
|
||||
|
||||
public TexturedModel(RawModel rawModel, ModelTexture modelTexture) {
|
||||
this.rawModel = rawModel;
|
||||
this.modelTexture = modelTexture;
|
||||
}
|
||||
|
||||
public RawModel getRawModel() {
|
||||
return rawModel;
|
||||
}
|
||||
|
||||
public ModelTexture getModelTexture() {
|
||||
return modelTexture;
|
||||
}
|
||||
}
|
@ -1,73 +0,0 @@
|
||||
package core.engine.renderer;
|
||||
|
||||
import core.engine.entity.Entity;
|
||||
import core.engine.model.RawModel;
|
||||
import core.engine.model.TexturedModel;
|
||||
import core.engine.shader.StaticShader;
|
||||
import core.engine.textures.ModelTexture;
|
||||
import org.lwjgl.opengl.GL11;
|
||||
import org.lwjgl.opengl.GL13;
|
||||
import org.lwjgl.opengl.GL20;
|
||||
import org.lwjgl.opengl.GL30;
|
||||
import utils.MatrixGraphicUtils;
|
||||
import utils.vectors.Matrix4f;
|
||||
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
|
||||
import static org.lwjgl.opengl.GL11C.*;
|
||||
|
||||
public class EntityRenderer {
|
||||
private static final float FOV = 70;
|
||||
private static final float NEAR_PLEANE = 0.1f;
|
||||
private static final float FAR_PLANE = 1000;
|
||||
|
||||
private StaticShader shader;
|
||||
|
||||
public EntityRenderer(StaticShader shader, Matrix4f projectionMatrix) {
|
||||
this.shader = shader;
|
||||
|
||||
shader.start();
|
||||
shader.loadProjectionMatrix(projectionMatrix);
|
||||
shader.stop();
|
||||
}
|
||||
|
||||
|
||||
|
||||
public void render(Map<TexturedModel, List<Entity>> entities) {
|
||||
for(TexturedModel model: entities.keySet()) {
|
||||
prepareTexturedModel(model);
|
||||
List<Entity> batch = entities.get(model);
|
||||
for(Entity entity : batch) {
|
||||
prepareInstance(entity);
|
||||
GL11.glDrawElements(GL11.GL_TRIANGLES, model.getRawModel().getVertexCount(), GL11.GL_UNSIGNED_INT, 0);
|
||||
}
|
||||
unbindTexturedModel();
|
||||
}
|
||||
}
|
||||
|
||||
private void prepareTexturedModel(TexturedModel model) {
|
||||
RawModel rawModel = model.getRawModel();
|
||||
GL30.glBindVertexArray(rawModel.getVaoID());
|
||||
GL20.glEnableVertexAttribArray(0);
|
||||
GL20.glEnableVertexAttribArray(1);
|
||||
GL20.glEnableVertexAttribArray(2);
|
||||
GL13.glActiveTexture(GL13.GL_TEXTURE0);
|
||||
GL11.glBindTexture(GL11.GL_TEXTURE_2D, model.getModelTexture().getTextureID());
|
||||
}
|
||||
|
||||
private void unbindTexturedModel() {
|
||||
GL20.glDisableVertexAttribArray(0);
|
||||
GL20.glDisableVertexAttribArray(1);
|
||||
GL20.glDisableVertexAttribArray(2);
|
||||
GL30.glBindVertexArray(0);
|
||||
}
|
||||
|
||||
private void prepareInstance(Entity entity) {
|
||||
Matrix4f transformationMatrix = MatrixGraphicUtils.createTransformationMatrix(entity.getPosition(), entity.getRotX(),
|
||||
entity.getRotY(), entity.getRotZ(), entity.getScale());
|
||||
shader.loadTransformationMatrix(transformationMatrix);
|
||||
}
|
||||
|
||||
|
||||
}
|
@ -1,117 +0,0 @@
|
||||
package core.engine.renderer;
|
||||
|
||||
import core.engine.Engine;
|
||||
import core.engine.entity.Camera;
|
||||
import core.engine.entity.Entity;
|
||||
import core.engine.entity.Light;
|
||||
import core.engine.model.TexturedModel;
|
||||
import core.engine.shader.StaticShader;
|
||||
import core.engine.shader.TerrainShader;
|
||||
import core.engine.terrain.Terrain;
|
||||
import core.engine.terrain.TerrainTile;
|
||||
import org.lwjgl.opengl.GL11;
|
||||
import utils.vectors.Matrix4f;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.HashMap;
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
|
||||
import static org.lwjgl.opengl.GL11C.*;
|
||||
|
||||
public class MasterRenderer {
|
||||
private static final float FOV = 70;
|
||||
private static final float NEAR_PLEANE = 0.1f;
|
||||
private static final float FAR_PLANE = 1000;
|
||||
private StaticShader shader = new StaticShader();
|
||||
private TerrainShader terrainShader = new TerrainShader();
|
||||
private EntityRenderer renderer;
|
||||
private TerrainRenderer terrainRenderer;
|
||||
private Map<TexturedModel, List<Entity>> entities = new HashMap<>();
|
||||
private List<TerrainTile> terrains = new ArrayList<>();
|
||||
private Matrix4f projectionMatrix;
|
||||
|
||||
private boolean wireframe = false;
|
||||
|
||||
public MasterRenderer() {
|
||||
GL11.glEnable(GL11.GL_CULL_FACE);
|
||||
GL11.glCullFace(GL11.GL_BACK);
|
||||
createProjectionMatrix();
|
||||
renderer = new EntityRenderer(shader, projectionMatrix);
|
||||
terrainRenderer = new TerrainRenderer(terrainShader, projectionMatrix);
|
||||
|
||||
}
|
||||
|
||||
public void prepare() {
|
||||
GL11.glEnable(GL11.GL_DEPTH_TEST);
|
||||
GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
|
||||
GL11.glClearColor(0.49f, 89f, 0.98f, 1);
|
||||
}
|
||||
|
||||
public void render(Light light, Camera camera) {
|
||||
prepare();
|
||||
shader.start();
|
||||
shader.loadLight(light);
|
||||
shader.loadViewMatrix(camera);
|
||||
renderer.render(entities);
|
||||
shader.stop();
|
||||
terrainShader.start();
|
||||
terrainShader.loadLight(light);
|
||||
terrainShader.loadViewMatrix(camera);
|
||||
terrainRenderer.render(terrains);
|
||||
terrainShader.stop();
|
||||
terrains.clear();
|
||||
entities.clear();
|
||||
}
|
||||
|
||||
public void processTerrain(Terrain terrain) {
|
||||
terrains.addAll(terrain.getTerrainTiles());
|
||||
}
|
||||
|
||||
public void processEntity(Entity entity) {
|
||||
TexturedModel entityModel = entity.getModel();
|
||||
List<Entity> batch = entities.get(entityModel);
|
||||
if(batch != null) {
|
||||
batch.add(entity);
|
||||
} else {
|
||||
List<Entity> newBatch = new ArrayList<>();
|
||||
newBatch.add(entity);
|
||||
entities.put(entityModel, newBatch);
|
||||
}
|
||||
}
|
||||
|
||||
public void cleanUp() {
|
||||
shader.cleanUp();
|
||||
terrainShader.cleanUp();
|
||||
}
|
||||
|
||||
private void createProjectionMatrix() {
|
||||
float aspectRatio = (float) Engine.WINDOW_WIDTH / (float) Engine.WINDOW_HEIGHT;
|
||||
float y_scale = (float) ((1f / Math.tan(Math.toRadians(FOV / 2f))) * aspectRatio);
|
||||
float x_scale = y_scale / aspectRatio;
|
||||
float frustum_length = FAR_PLANE - NEAR_PLEANE;
|
||||
|
||||
projectionMatrix = new Matrix4f();
|
||||
projectionMatrix.m00 = x_scale;
|
||||
projectionMatrix.m11 = y_scale;
|
||||
projectionMatrix.m22 = -((FAR_PLANE + NEAR_PLEANE) / frustum_length);
|
||||
projectionMatrix.m23 = -1;
|
||||
projectionMatrix.m32 = -((2 * NEAR_PLEANE * FAR_PLANE) / frustum_length);
|
||||
projectionMatrix.m33 = 0;
|
||||
|
||||
}
|
||||
|
||||
public void switchWireframe() {
|
||||
this.wireframe = !this.wireframe;
|
||||
|
||||
if(this.wireframe) {
|
||||
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
|
||||
} else {
|
||||
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
|
||||
}
|
||||
}
|
||||
|
||||
public Matrix4f getProjectionMatrix() {
|
||||
return projectionMatrix;
|
||||
}
|
||||
}
|
@ -1,62 +0,0 @@
|
||||
package core.engine.renderer;
|
||||
|
||||
import core.engine.entity.Entity;
|
||||
import core.engine.model.RawModel;
|
||||
import core.engine.model.TexturedModel;
|
||||
import core.engine.shader.TerrainShader;
|
||||
import core.engine.terrain.Terrain;
|
||||
import core.engine.terrain.TerrainTile;
|
||||
import org.lwjgl.opengl.GL11;
|
||||
import org.lwjgl.opengl.GL13;
|
||||
import org.lwjgl.opengl.GL20;
|
||||
import org.lwjgl.opengl.GL30;
|
||||
import utils.MatrixGraphicUtils;
|
||||
import utils.vectors.Matrix4f;
|
||||
import utils.vectors.Vector3f;
|
||||
|
||||
import java.util.List;
|
||||
|
||||
public class TerrainRenderer {
|
||||
|
||||
private TerrainShader shader;
|
||||
|
||||
public TerrainRenderer(TerrainShader shader, Matrix4f projectionMatrix) {
|
||||
this.shader = shader;
|
||||
shader.start();
|
||||
shader.loadProjectionMatrix(projectionMatrix);
|
||||
shader.stop();
|
||||
}
|
||||
|
||||
public void render(List<TerrainTile> terrains) {
|
||||
for(TerrainTile terrain : terrains) {
|
||||
prepareTerrain(terrain);
|
||||
loadModelMatrix(terrain);
|
||||
GL11.glDrawElements(GL11.GL_TRIANGLES, terrain.getModel().getRawModel().getVertexCount(), GL11.GL_UNSIGNED_INT, 0);
|
||||
unbindTexturedModel();
|
||||
}
|
||||
}
|
||||
|
||||
private void prepareTerrain(TerrainTile terrainTile) {
|
||||
RawModel rawModel = terrainTile.getModel().getRawModel();
|
||||
GL30.glBindVertexArray(rawModel.getVaoID());
|
||||
GL20.glEnableVertexAttribArray(0);
|
||||
GL20.glEnableVertexAttribArray(1);
|
||||
GL20.glEnableVertexAttribArray(2);
|
||||
GL13.glActiveTexture(GL13.GL_TEXTURE0);
|
||||
GL11.glBindTexture(GL11.GL_TEXTURE_2D, terrainTile.getModel().getModelTexture().getTextureID());
|
||||
shader.loadTerrainColor(terrainTile.getColor());
|
||||
}
|
||||
|
||||
private void unbindTexturedModel() {
|
||||
GL20.glDisableVertexAttribArray(0);
|
||||
GL20.glDisableVertexAttribArray(1);
|
||||
GL20.glDisableVertexAttribArray(2);
|
||||
GL30.glBindVertexArray(0);
|
||||
}
|
||||
|
||||
private void loadModelMatrix(TerrainTile terrain) {
|
||||
Matrix4f transformationMatrix = MatrixGraphicUtils.createTransformationMatrix(terrain.getPosition(), terrain.getRotX(),
|
||||
terrain.getRotY(), terrain.getRotZ(), terrain.getScale());
|
||||
shader.loadTransformationMatrix(transformationMatrix);
|
||||
}
|
||||
}
|
@ -1,108 +0,0 @@
|
||||
package core.engine.shader;
|
||||
|
||||
import org.lwjgl.BufferUtils;
|
||||
import org.lwjgl.opengl.GL11;
|
||||
import org.lwjgl.opengl.GL20;
|
||||
import utils.vectors.Matrix4f;
|
||||
import utils.vectors.Vector3f;
|
||||
|
||||
import java.io.BufferedReader;
|
||||
import java.io.FileNotFoundException;
|
||||
import java.io.FileReader;
|
||||
import java.io.IOException;
|
||||
import java.nio.FloatBuffer;
|
||||
|
||||
public abstract class ShaderProgram {
|
||||
|
||||
private int programID;
|
||||
private int vertexShaderID;
|
||||
private int fragmentShaderID;
|
||||
|
||||
private static FloatBuffer matrixBuffer = BufferUtils.createFloatBuffer(16);
|
||||
|
||||
public ShaderProgram(String vertexFile, String fragmentFile) {
|
||||
vertexShaderID = loadShader(vertexFile, GL20.GL_VERTEX_SHADER);
|
||||
fragmentShaderID = loadShader(fragmentFile, GL20.GL_FRAGMENT_SHADER);
|
||||
programID = GL20.glCreateProgram();
|
||||
GL20.glAttachShader(programID, vertexShaderID);
|
||||
GL20.glAttachShader(programID, fragmentShaderID);
|
||||
bindAttributes();
|
||||
GL20.glLinkProgram(programID);
|
||||
GL20.glValidateProgram(programID);
|
||||
getAllUniformLocations();
|
||||
}
|
||||
|
||||
protected abstract void getAllUniformLocations();
|
||||
|
||||
protected int getUniformLocation(String uniformName) {
|
||||
return GL20.glGetUniformLocation(programID, uniformName);
|
||||
}
|
||||
|
||||
public void start() {
|
||||
GL20.glUseProgram(programID);
|
||||
}
|
||||
|
||||
public void stop() {
|
||||
GL20.glUseProgram(0);
|
||||
}
|
||||
|
||||
public void cleanUp() {
|
||||
stop();
|
||||
GL20.glDetachShader(programID, vertexShaderID);
|
||||
GL20.glDetachShader(programID, fragmentShaderID);
|
||||
GL20.glDeleteShader(vertexShaderID);
|
||||
GL20.glDeleteShader(fragmentShaderID);
|
||||
GL20.glDeleteProgram(programID);
|
||||
}
|
||||
|
||||
protected abstract void bindAttributes();
|
||||
|
||||
protected void bindAttribute(int attribute, String variableName) {
|
||||
GL20.glBindAttribLocation(programID, attribute, variableName);
|
||||
}
|
||||
|
||||
protected void loadFloat(int location, float value) {
|
||||
GL20.glUniform1f(location, value);
|
||||
}
|
||||
|
||||
protected void loadVector(int location, Vector3f vector) {
|
||||
GL20.glUniform3f(location, vector.x, vector.y, vector.z);
|
||||
}
|
||||
|
||||
protected void loadBoolean(int location, boolean value) {
|
||||
GL20.glUniform1f(location, value? 1: 0);
|
||||
}
|
||||
|
||||
protected void loadMatrix(int location, Matrix4f matrix) {
|
||||
matrix.store(matrixBuffer);
|
||||
matrixBuffer.flip();
|
||||
GL20.glUniformMatrix4fv(location,false, matrixBuffer);
|
||||
}
|
||||
|
||||
private static int loadShader(String file, int type) {
|
||||
StringBuilder shadersource = new StringBuilder();
|
||||
try {
|
||||
BufferedReader bufferedReader = new BufferedReader(new FileReader(file));
|
||||
String line;
|
||||
while((line = bufferedReader.readLine()) != null) {
|
||||
shadersource.append(line).append(System.lineSeparator());
|
||||
}
|
||||
bufferedReader.close();
|
||||
} catch (IOException e) {
|
||||
System.err.println("Could not read file!");
|
||||
e.printStackTrace();
|
||||
System.exit(-1);
|
||||
}
|
||||
|
||||
int shaderID = GL20.glCreateShader(type);
|
||||
GL20.glShaderSource(shaderID, shadersource);
|
||||
GL20.glCompileShader(shaderID);
|
||||
|
||||
if(GL20.glGetShaderi(shaderID, GL20.GL_COMPILE_STATUS) == GL11.GL_FALSE) {
|
||||
System.out.println(GL20.glGetShaderInfoLog(shaderID));
|
||||
System.err.println("Could not compile Shader");
|
||||
System.exit(-1);
|
||||
}
|
||||
return shaderID;
|
||||
}
|
||||
}
|
@ -1,55 +0,0 @@
|
||||
package core.engine.shader;
|
||||
|
||||
import core.engine.entity.Camera;
|
||||
import core.engine.entity.Light;
|
||||
import utils.MatrixGraphicUtils;
|
||||
import utils.vectors.Matrix4f;
|
||||
|
||||
public class StaticShader extends ShaderProgram{
|
||||
|
||||
private static final String VERTEX_FILE = "src/main/java/core/engine/shader/vertexShader.glsl";
|
||||
private static final String FRAGMENT_FILE = "src/main/java/core/engine/shader/fragmentShader.glsl";
|
||||
|
||||
private int location_transformationMatrix;
|
||||
private int location_projectionMatrix;
|
||||
private int location_viewMatrix;
|
||||
private int location_lightPosition;
|
||||
private int location_lightColor;
|
||||
public StaticShader() {
|
||||
super(VERTEX_FILE, FRAGMENT_FILE);
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void getAllUniformLocations() {
|
||||
this.location_transformationMatrix = super.getUniformLocation("transformationMatrix");
|
||||
this.location_projectionMatrix = super.getUniformLocation("projectionMatrix");
|
||||
this.location_viewMatrix = super.getUniformLocation("viewMatrix");
|
||||
this.location_lightColor = super.getUniformLocation("lightColor");
|
||||
this.location_lightPosition = super.getUniformLocation("lightPosition");
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void bindAttributes() {
|
||||
super.bindAttribute(0, "position");
|
||||
super.bindAttribute(1, "textureCoords");
|
||||
super.bindAttribute(2, "normal");
|
||||
}
|
||||
|
||||
public void loadTransformationMatrix(Matrix4f matrix) {
|
||||
super.loadMatrix(location_transformationMatrix, matrix);
|
||||
}
|
||||
|
||||
public void loadProjectionMatrix(Matrix4f matrix) {
|
||||
super.loadMatrix(location_projectionMatrix, matrix);
|
||||
}
|
||||
|
||||
public void loadViewMatrix(Camera camera) {
|
||||
Matrix4f viewMatrix = MatrixGraphicUtils.createViewMatrix(camera);
|
||||
super.loadMatrix(location_viewMatrix, viewMatrix);
|
||||
}
|
||||
|
||||
public void loadLight(Light light) {
|
||||
super.loadVector(location_lightPosition, light.getPosition());
|
||||
super.loadVector(location_lightColor, light.getColor());
|
||||
}
|
||||
}
|
@ -1,61 +0,0 @@
|
||||
package core.engine.shader;
|
||||
|
||||
import core.engine.entity.Camera;
|
||||
import core.engine.entity.Light;
|
||||
import utils.MatrixGraphicUtils;
|
||||
import utils.vectors.Matrix4f;
|
||||
import utils.vectors.Vector3f;
|
||||
|
||||
public class TerrainShader extends ShaderProgram{
|
||||
private static final String VERTEX_FILE = "src/main/java/core/engine/shader/terrainVertexShader.glsl";
|
||||
private static final String FRAGMENT_FILE = "src/main/java/core/engine/shader/terrainFragmentShader.glsl";
|
||||
|
||||
private int location_transformationMatrix;
|
||||
private int location_projectionMatrix;
|
||||
private int location_viewMatrix;
|
||||
private int location_lightPosition;
|
||||
private int location_lightColor;
|
||||
private int location_terrainColor;
|
||||
public TerrainShader() {
|
||||
super(VERTEX_FILE, FRAGMENT_FILE);
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void getAllUniformLocations() {
|
||||
this.location_transformationMatrix = super.getUniformLocation("transformationMatrix");
|
||||
this.location_projectionMatrix = super.getUniformLocation("projectionMatrix");
|
||||
this.location_viewMatrix = super.getUniformLocation("viewMatrix");
|
||||
this.location_lightColor = super.getUniformLocation("lightColor");
|
||||
this.location_lightPosition = super.getUniformLocation("lightPosition");
|
||||
this.location_terrainColor = super.getUniformLocation("terrainColor");
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void bindAttributes() {
|
||||
super.bindAttribute(0, "position");
|
||||
super.bindAttribute(1, "textureCoords");
|
||||
super.bindAttribute(2, "normal");
|
||||
}
|
||||
|
||||
public void loadTransformationMatrix(Matrix4f matrix) {
|
||||
super.loadMatrix(location_transformationMatrix, matrix);
|
||||
}
|
||||
|
||||
public void loadProjectionMatrix(Matrix4f matrix) {
|
||||
super.loadMatrix(location_projectionMatrix, matrix);
|
||||
}
|
||||
|
||||
public void loadViewMatrix(Camera camera) {
|
||||
Matrix4f viewMatrix = MatrixGraphicUtils.createViewMatrix(camera);
|
||||
super.loadMatrix(location_viewMatrix, viewMatrix);
|
||||
}
|
||||
|
||||
public void loadLight(Light light) {
|
||||
super.loadVector(location_lightPosition, light.getPosition());
|
||||
super.loadVector(location_lightColor, light.getColor());
|
||||
}
|
||||
|
||||
public void loadTerrainColor(Vector3f color) {
|
||||
super.loadVector(location_terrainColor, color);
|
||||
}
|
||||
}
|
@ -1,21 +0,0 @@
|
||||
#version 400 core
|
||||
|
||||
in vec2 pass_textureCoords;
|
||||
in vec3 surfaceNormal;
|
||||
in vec3 toLightVector;
|
||||
|
||||
out vec4 out_Color;
|
||||
|
||||
uniform sampler2D textureSampler;
|
||||
uniform vec3 lightColor;
|
||||
|
||||
void main(void) {
|
||||
vec3 unitNormal = normalize(surfaceNormal);
|
||||
vec3 unitToLightVector = normalize(toLightVector);
|
||||
|
||||
float nDotl = dot(unitNormal, unitToLightVector);
|
||||
float brightness = max(nDotl, 0.2);
|
||||
vec3 diffusde = brightness * lightColor;
|
||||
|
||||
out_Color = vec4(diffusde, 1.0) * texture(textureSampler, pass_textureCoords);
|
||||
}
|
@ -1,22 +0,0 @@
|
||||
#version 400 core
|
||||
|
||||
in vec2 pass_textureCoords;
|
||||
in vec3 surfaceNormal;
|
||||
in vec3 toLightVector;
|
||||
|
||||
out vec4 out_Color;
|
||||
|
||||
uniform sampler2D textureSampler;
|
||||
uniform vec3 lightColor;
|
||||
uniform vec3 terrainColor;
|
||||
|
||||
void main(void) {
|
||||
vec3 unitNormal = normalize(surfaceNormal);
|
||||
vec3 unitToLightVector = normalize(toLightVector);
|
||||
|
||||
float nDotl = dot(unitNormal, unitToLightVector);
|
||||
float brightness = max(nDotl, 0.2);
|
||||
vec3 diffusde = brightness * lightColor;
|
||||
|
||||
out_Color = /*vec4(diffusde, 1.0) **/ vec4(terrainColor, 1);
|
||||
}
|
@ -1,24 +0,0 @@
|
||||
#version 400 core
|
||||
|
||||
in vec3 position;
|
||||
in vec2 textureCoords;
|
||||
in vec3 normal;
|
||||
|
||||
uniform mat4 transformationMatrix;
|
||||
uniform mat4 projectionMatrix;
|
||||
uniform mat4 viewMatrix;
|
||||
uniform vec3 lightPosition;
|
||||
|
||||
|
||||
out vec2 pass_textureCoords;
|
||||
out vec3 surfaceNormal;
|
||||
out vec3 toLightVector;
|
||||
|
||||
void main(void) {
|
||||
vec4 worldPosition = transformationMatrix * vec4(position, 1.0);
|
||||
gl_Position = projectionMatrix * viewMatrix * worldPosition;
|
||||
pass_textureCoords = textureCoords;
|
||||
|
||||
surfaceNormal = (transformationMatrix * vec4(normal, 0.0)).xyz;
|
||||
toLightVector = lightPosition - worldPosition.xyz;
|
||||
}
|
@ -1,24 +0,0 @@
|
||||
#version 400 core
|
||||
|
||||
in vec3 position;
|
||||
in vec2 textureCoords;
|
||||
in vec3 normal;
|
||||
|
||||
uniform mat4 transformationMatrix;
|
||||
uniform mat4 projectionMatrix;
|
||||
uniform mat4 viewMatrix;
|
||||
uniform vec3 lightPosition;
|
||||
|
||||
|
||||
out vec2 pass_textureCoords;
|
||||
out vec3 surfaceNormal;
|
||||
out vec3 toLightVector;
|
||||
|
||||
void main(void) {
|
||||
vec4 worldPosition = transformationMatrix * vec4(position, 1.0);
|
||||
gl_Position = projectionMatrix * viewMatrix * worldPosition;
|
||||
pass_textureCoords = textureCoords;
|
||||
|
||||
surfaceNormal = (transformationMatrix * vec4(normal, 0.0)).xyz;
|
||||
toLightVector = lightPosition - worldPosition.xyz;
|
||||
}
|
@ -1,40 +0,0 @@
|
||||
package core.engine.terrain;
|
||||
|
||||
import core.engine.Loader;
|
||||
import core.engine.entity.Camera;
|
||||
import core.engine.model.HexagonModel;
|
||||
import core.engine.model.RawModel;
|
||||
import core.engine.model.TexturedModel;
|
||||
import core.engine.textures.ModelTexture;
|
||||
import utils.vectors.Vector3f;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
import java.util.Random;
|
||||
|
||||
public class Terrain {
|
||||
|
||||
private List<TerrainTile> terrainTiles = new ArrayList<>();
|
||||
|
||||
public Terrain(Loader loader, ModelTexture modelTexture, int rows, int columns, int numberPlayers) {
|
||||
TerrainGenerator terrainGenerator = new TerrainGenerator();
|
||||
|
||||
HexagonModel hexagonModel = new HexagonModel();
|
||||
RawModel rawModel = loader.loadHexagon(hexagonModel);
|
||||
TexturedModel texturedModel = new TexturedModel(rawModel, modelTexture);
|
||||
for(int row = 0; row < rows; row++) {
|
||||
for(int column = 0; column < columns; column++) {
|
||||
if(row % 2 == 1) {
|
||||
terrainTiles.add(new TerrainTile(texturedModel, new Vector3f(column * 2* 0.866f, 0, row * 1.5f),0,0,0,1, row, column, terrainGenerator.generateColor(column, row)));
|
||||
} else {
|
||||
terrainTiles.add(new TerrainTile(texturedModel, new Vector3f(column *2 * 0.866f - 0.866f, 0, row * 1.5f),0,0,0,1, row, column, terrainGenerator.generateColor(column, row)));
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public List<TerrainTile> getTerrainTiles() {
|
||||
return terrainTiles;
|
||||
}
|
||||
}
|
@ -1,37 +0,0 @@
|
||||
package core.engine.terrain;
|
||||
|
||||
import utils.vectors.Vector3f;
|
||||
|
||||
import java.util.Random;
|
||||
|
||||
public class TerrainGenerator {
|
||||
|
||||
private final Random random = new Random();
|
||||
private final int seed_red;
|
||||
private final int seed_blue;
|
||||
private final int seed_green;
|
||||
|
||||
public TerrainGenerator() {
|
||||
this.seed_red = random.nextInt(1000000000);
|
||||
this.seed_blue = random.nextInt(1000000000);
|
||||
this.seed_green = random.nextInt(1000000000);
|
||||
}
|
||||
|
||||
public Vector3f generateColor(int x, int z) {
|
||||
return new Vector3f(getSmoothNoise(x, z, seed_red), getSmoothNoise(x, z, seed_green), getSmoothNoise(x, z, seed_blue));
|
||||
}
|
||||
|
||||
private float getSmoothNoise(int x, int z, int seed) {
|
||||
float corners = (getNoise(x -1, z-1, seed) + getNoise(x+1, z-1, seed) +
|
||||
getNoise(x-1, z+1, seed) + getNoise(x+1, z+1, seed)) / 16f;
|
||||
float sides = (getNoise(x-1, z, seed) + getNoise(x+1, z, seed) +
|
||||
getNoise(x, z-1, seed) + getNoise(x, z+1, seed)) / 8f;
|
||||
float center = getNoise(x, z, seed) / 4f;
|
||||
return corners + sides + center;
|
||||
}
|
||||
|
||||
private float getNoise(int x, int z, int seed) {
|
||||
random.setSeed(x * 49632L + z * 325176L + seed);
|
||||
return random.nextFloat();
|
||||
}
|
||||
}
|
@ -1,96 +0,0 @@
|
||||
package core.engine.terrain;
|
||||
|
||||
import core.engine.Loader;
|
||||
import core.engine.entity.Camera;
|
||||
import core.engine.model.RawModel;
|
||||
import core.engine.model.TexturedModel;
|
||||
import core.engine.textures.ModelTexture;
|
||||
import utils.vectors.Vector3f;
|
||||
|
||||
public class TerrainTile {
|
||||
|
||||
private TexturedModel model;
|
||||
private Vector3f position;
|
||||
private float rotX, rotY, rotZ;
|
||||
private float scale;
|
||||
private int row;
|
||||
private int column;
|
||||
|
||||
private Vector3f color;
|
||||
|
||||
public TerrainTile(TexturedModel model, Vector3f position, float rotX, float rotY, float rotZ, float scale, int row, int column, Vector3f color) {
|
||||
this.model = model;
|
||||
this.position = position;
|
||||
this.rotX = rotX;
|
||||
this.rotY = rotY;
|
||||
this.rotZ = rotZ;
|
||||
this.scale = scale;
|
||||
this.row = row;
|
||||
this.column = column;
|
||||
this.color = color;
|
||||
}
|
||||
|
||||
public TexturedModel getModel() {
|
||||
return model;
|
||||
}
|
||||
|
||||
public void setModel(TexturedModel model) {
|
||||
this.model = model;
|
||||
}
|
||||
|
||||
public Vector3f getPosition() {
|
||||
return position;
|
||||
}
|
||||
|
||||
public void setPosition(Vector3f position) {
|
||||
this.position = position;
|
||||
}
|
||||
|
||||
public float getRotX() {
|
||||
return rotX;
|
||||
}
|
||||
|
||||
public void setRotX(float rotX) {
|
||||
this.rotX = rotX;
|
||||
}
|
||||
|
||||
public float getRotY() {
|
||||
return rotY;
|
||||
}
|
||||
|
||||
public void setRotY(float rotY) {
|
||||
this.rotY = rotY;
|
||||
}
|
||||
|
||||
public float getRotZ() {
|
||||
return rotZ;
|
||||
}
|
||||
|
||||
public void setRotZ(float rotZ) {
|
||||
this.rotZ = rotZ;
|
||||
}
|
||||
|
||||
public float getScale() {
|
||||
return scale;
|
||||
}
|
||||
|
||||
public void setScale(float scale) {
|
||||
this.scale = scale;
|
||||
}
|
||||
|
||||
public Vector3f getColor() {
|
||||
return color;
|
||||
}
|
||||
|
||||
public void setColor(Vector3f color) {
|
||||
this.color = color;
|
||||
}
|
||||
|
||||
public int getRow() {
|
||||
return row;
|
||||
}
|
||||
|
||||
public int getColumn() {
|
||||
return column;
|
||||
}
|
||||
}
|
@ -1,14 +0,0 @@
|
||||
package core.engine.textures;
|
||||
|
||||
public class ModelTexture {
|
||||
|
||||
private int textureID;
|
||||
|
||||
public ModelTexture(int textureID) {
|
||||
this.textureID = textureID;
|
||||
}
|
||||
|
||||
public int getTextureID() {
|
||||
return textureID;
|
||||
}
|
||||
}
|
@ -1,70 +0,0 @@
|
||||
package core.engine.textures;
|
||||
|
||||
import javax.imageio.ImageIO;
|
||||
import java.awt.image.BufferedImage;
|
||||
import java.io.FileInputStream;
|
||||
import java.io.IOException;
|
||||
import java.nio.ByteBuffer;
|
||||
import java.nio.ByteOrder;
|
||||
import java.nio.IntBuffer;
|
||||
|
||||
import static org.lwjgl.opengl.GL11.*;
|
||||
|
||||
public class Texture {
|
||||
|
||||
private int width, height;
|
||||
private int texture;
|
||||
|
||||
public Texture(String path) {
|
||||
texture = load(path);
|
||||
}
|
||||
|
||||
private int load(String path) {
|
||||
int[] pixels = null;
|
||||
try {
|
||||
BufferedImage image = ImageIO.read(new FileInputStream(path));
|
||||
width = image.getWidth();
|
||||
height = image.getHeight();
|
||||
pixels = new int[width * height];
|
||||
image.getRGB(0, 0, width, height, pixels, 0, width);
|
||||
} catch (IOException e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
|
||||
int[] data = new int[width * height];
|
||||
for (int i = 0; i < width * height; i++) {
|
||||
int a = (pixels[i] & 0xff000000) >> 24;
|
||||
int r = (pixels[i] & 0xff0000) >> 16;
|
||||
int g = (pixels[i] & 0xff00) >> 8;
|
||||
int b = (pixels[i] & 0xff);
|
||||
|
||||
data[i] = a << 24 | b << 16 | g << 8 | r;
|
||||
}
|
||||
|
||||
int result = glGenTextures();
|
||||
glBindTexture(GL_TEXTURE_2D, result);
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
|
||||
|
||||
IntBuffer buffer = ByteBuffer.allocateDirect(data.length << 2)
|
||||
.order(ByteOrder.nativeOrder()).asIntBuffer();
|
||||
buffer.put(data).flip();
|
||||
|
||||
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA,
|
||||
GL_UNSIGNED_BYTE, buffer);
|
||||
glBindTexture(GL_TEXTURE_2D, 0);
|
||||
return result;
|
||||
}
|
||||
|
||||
public void bind() {
|
||||
glBindTexture(GL_TEXTURE_2D, texture);
|
||||
}
|
||||
|
||||
public void unbind() {
|
||||
glBindTexture(GL_TEXTURE_2D, 0);
|
||||
}
|
||||
|
||||
public int getTextureID() {
|
||||
return texture;
|
||||
}
|
||||
}
|
@ -1,155 +0,0 @@
|
||||
package core.engine.toolbox;
|
||||
|
||||
import core.engine.Engine;
|
||||
import core.engine.entity.Camera;
|
||||
import core.engine.terrain.Terrain;
|
||||
import core.engine.terrain.TerrainTile;
|
||||
import org.lwjgl.system.windows.MOUSEINPUT;
|
||||
import utils.MatrixGraphicUtils;
|
||||
import utils.vectors.*;
|
||||
|
||||
public class MousePicker {
|
||||
|
||||
private static final int RECURSION_COUNT = 200;
|
||||
private static final float RAY_RANGE = 600;
|
||||
|
||||
private Vector3f currentRay = new Vector3f();
|
||||
|
||||
private Matrix4f projectionMatrix;
|
||||
private Matrix4f viewMatrix;
|
||||
private Camera camera;
|
||||
|
||||
private Terrain terrain;
|
||||
private Vector3f currentTerrainPoint;
|
||||
|
||||
public MousePicker(Camera cam, Matrix4f projection, Terrain terrain) {
|
||||
camera = cam;
|
||||
projectionMatrix = projection;
|
||||
viewMatrix = MatrixGraphicUtils.createViewMatrix(camera);
|
||||
this.terrain = terrain;
|
||||
}
|
||||
|
||||
public Vector3f getCurrentTerrainPoint() {
|
||||
return currentTerrainPoint;
|
||||
}
|
||||
|
||||
public Vector3f getCurrentRay() {
|
||||
return currentRay;
|
||||
}
|
||||
|
||||
public void update(float mouseX, float mouseY) {
|
||||
viewMatrix = MatrixGraphicUtils.createViewMatrix(camera);
|
||||
currentRay = calculateMouseRay(mouseX, mouseY);
|
||||
if (intersectionInRange(0, RAY_RANGE, currentRay)) {
|
||||
currentTerrainPoint = binarySearch(0, 0, RAY_RANGE, currentRay);
|
||||
} else {
|
||||
currentTerrainPoint = null;
|
||||
}
|
||||
System.out.println(currentTerrainPoint);
|
||||
TerrainTile terrainTile = calcIntersectingTerrainTile();
|
||||
if(terrainTile != null) {
|
||||
terrainTile.setColor(new Vector3f(1f, 1f, 1f));
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
private Vector3f calculateMouseRay(float mouseX, float mouseY) {
|
||||
Vector2f normalizedCoords = getNormalisedDeviceCoordinates(mouseX, mouseY);
|
||||
Vector4f clipCoords = new Vector4f(normalizedCoords.x, normalizedCoords.y, -1.0f, 1.0f);
|
||||
Vector4f eyeCoords = toEyeCoords(clipCoords);
|
||||
Vector3f worldRay = toWorldCoords(eyeCoords);
|
||||
return worldRay;
|
||||
}
|
||||
|
||||
private Vector3f toWorldCoords(Vector4f eyeCoords) {
|
||||
Matrix4f invertedView = Matrix4f.invert(viewMatrix, null);
|
||||
Vector4f rayWorld = Matrix4f.transform(invertedView, eyeCoords, null);
|
||||
Vector3f mouseRay = new Vector3f(rayWorld.x, rayWorld.y, rayWorld.z);
|
||||
mouseRay.normalise();
|
||||
return mouseRay;
|
||||
}
|
||||
|
||||
private Vector4f toEyeCoords(Vector4f clipCoords) {
|
||||
Matrix4f invertedProjection = Matrix4f.invert(projectionMatrix, null);
|
||||
Vector4f eyeCoords = Matrix4f.transform(invertedProjection, clipCoords, null);
|
||||
return new Vector4f(eyeCoords.x, eyeCoords.y, -1f, 0f);
|
||||
}
|
||||
|
||||
private Vector2f getNormalisedDeviceCoordinates(float mouseX, float mouseY) {
|
||||
float x = (2.0f * mouseX) / Engine.WINDOW_WIDTH - 1f;
|
||||
float y = (2.0f * mouseY) / Engine.WINDOW_HEIGHT - 1f;
|
||||
return new Vector2f(x, y);
|
||||
}
|
||||
|
||||
//**********************************************************
|
||||
|
||||
private Vector3f getPointOnRay(Vector3f ray, float distance) {
|
||||
Vector3f camPos = camera.getPosition();
|
||||
Vector3f start = new Vector3f(camPos.x, camPos.y, -camPos.z);
|
||||
Vector3f scaledRay = new Vector3f(ray.x * distance, ray.y * distance, ray.z * distance);
|
||||
return Vector3f.add(start, scaledRay, null);
|
||||
}
|
||||
|
||||
private Vector3f binarySearch(int count, float start, float finish, Vector3f ray) {
|
||||
float half = start + ((finish - start) / 2f);
|
||||
if (count >= RECURSION_COUNT) {
|
||||
Vector3f endPoint = getPointOnRay(ray, half);
|
||||
Terrain terrain = getTerrain(endPoint.getX(), endPoint.getZ());
|
||||
if (terrain != null) {
|
||||
return endPoint;
|
||||
} else {
|
||||
return null;
|
||||
}
|
||||
}
|
||||
if (intersectionInRange(start, half, ray)) {
|
||||
return binarySearch(count + 1, start, half, ray);
|
||||
} else {
|
||||
return binarySearch(count + 1, half, finish, ray);
|
||||
}
|
||||
}
|
||||
|
||||
private boolean intersectionInRange(float start, float finish, Vector3f ray) {
|
||||
Vector3f startPoint = getPointOnRay(ray, start);
|
||||
Vector3f endPoint = getPointOnRay(ray, finish);
|
||||
if (!isUnderGround(startPoint) && isUnderGround(endPoint)) {
|
||||
return true;
|
||||
} else {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
private boolean isUnderGround(Vector3f testPoint) {
|
||||
Terrain terrain = getTerrain(testPoint.getX(), testPoint.getZ());
|
||||
float height = 0;
|
||||
if (testPoint.y < height) {
|
||||
return true;
|
||||
} else {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
private Terrain getTerrain(float worldX, float worldZ) {
|
||||
return terrain;
|
||||
}
|
||||
|
||||
public TerrainTile calcIntersectingTerrainTile() {
|
||||
|
||||
for(TerrainTile terrainTile : terrain.getTerrainTiles()) {
|
||||
float distanceX = (float) Math.pow(currentTerrainPoint.x - terrainTile.getPosition().x, 2);
|
||||
float distanceZ = (float) Math.pow(-currentTerrainPoint.z - terrainTile.getPosition().z, 2);
|
||||
|
||||
float radius = (float) Math.pow(1, 2);
|
||||
|
||||
if(distanceX + distanceZ < radius) {
|
||||
if(!terrainTile.getColor().equals(new Vector3f(1f, 1f, 1f))) {
|
||||
System.out.println("Center: " + terrainTile.getPosition());
|
||||
System.out.println("TerrainPoint: " + currentTerrainPoint);
|
||||
}
|
||||
return terrainTile;
|
||||
}
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
|
||||
}
|
@ -1,32 +0,0 @@
|
||||
package utils;
|
||||
|
||||
import core.engine.entity.Camera;
|
||||
import utils.vectors.Matrix4f;
|
||||
import utils.vectors.Vector3f;
|
||||
|
||||
public class MatrixGraphicUtils {
|
||||
|
||||
public static Matrix4f createTransformationMatrix(Vector3f translation, float rx, float ry,
|
||||
float rz, float scale) {
|
||||
Matrix4f matrix = new Matrix4f();
|
||||
matrix.setIdentity();
|
||||
Matrix4f.translate(translation, matrix, matrix);
|
||||
Matrix4f.rotate((float) Math.toRadians(rx), new Vector3f(1,0,0), matrix, matrix);
|
||||
Matrix4f.rotate((float) Math.toRadians(ry), new Vector3f(0,1,0), matrix, matrix);
|
||||
Matrix4f.rotate((float) Math.toRadians(rz), new Vector3f(0,0,1), matrix, matrix);
|
||||
Matrix4f.scale(new Vector3f(scale,scale,scale), matrix, matrix);
|
||||
return matrix;
|
||||
}
|
||||
|
||||
public static Matrix4f createViewMatrix(Camera camera) {
|
||||
Matrix4f viewMatrix = new Matrix4f();
|
||||
viewMatrix.setIdentity();
|
||||
Matrix4f.rotate((float) Math.toRadians(camera.getPitch()), new Vector3f(1, 0, 0), viewMatrix,
|
||||
viewMatrix);
|
||||
Matrix4f.rotate((float) Math.toRadians(camera.getYaw()), new Vector3f(0, 1, 0), viewMatrix, viewMatrix);
|
||||
Vector3f cameraPos = camera.getPosition();
|
||||
Vector3f negativeCameraPos = new Vector3f(-cameraPos.x,-cameraPos.y,-cameraPos.z);
|
||||
Matrix4f.translate(negativeCameraPos, viewMatrix, viewMatrix);
|
||||
return viewMatrix;
|
||||
}
|
||||
}
|
@ -1,103 +0,0 @@
|
||||
package utils.vectors;
|
||||
|
||||
import java.io.Serializable;
|
||||
import java.nio.FloatBuffer;
|
||||
|
||||
/**
|
||||
*
|
||||
* Base class for matrices. When a matrix is constructed it will be the identity
|
||||
* matrix unless otherwise stated.
|
||||
*
|
||||
* @author cix_foo <cix_foo@users.sourceforge.net>
|
||||
* @version $Revision$
|
||||
* $Id$
|
||||
*/
|
||||
public abstract class Matrix implements Serializable {
|
||||
|
||||
/**
|
||||
* Constructor for Matrix.
|
||||
*/
|
||||
protected Matrix() {
|
||||
super();
|
||||
}
|
||||
|
||||
/**
|
||||
* Set this matrix to be the identity matrix.
|
||||
* @return this
|
||||
*/
|
||||
public abstract Matrix setIdentity();
|
||||
|
||||
|
||||
/**
|
||||
* Invert this matrix
|
||||
* @return this
|
||||
*/
|
||||
public abstract Matrix invert();
|
||||
|
||||
|
||||
/**
|
||||
* Load from a float buffer. The buffer stores the matrix in column major
|
||||
* (OpenGL) order.
|
||||
*
|
||||
* @param buf A float buffer to read from
|
||||
* @return this
|
||||
*/
|
||||
public abstract Matrix load(FloatBuffer buf);
|
||||
|
||||
|
||||
/**
|
||||
* Load from a float buffer. The buffer stores the matrix in row major
|
||||
* (mathematical) order.
|
||||
*
|
||||
* @param buf A float buffer to read from
|
||||
* @return this
|
||||
*/
|
||||
public abstract Matrix loadTranspose(FloatBuffer buf);
|
||||
|
||||
|
||||
/**
|
||||
* Negate this matrix
|
||||
* @return this
|
||||
*/
|
||||
public abstract Matrix negate();
|
||||
|
||||
|
||||
/**
|
||||
* Store this matrix in a float buffer. The matrix is stored in column
|
||||
* major (openGL) order.
|
||||
* @param buf The buffer to store this matrix in
|
||||
* @return this
|
||||
*/
|
||||
public abstract Matrix store(FloatBuffer buf);
|
||||
|
||||
|
||||
/**
|
||||
* Store this matrix in a float buffer. The matrix is stored in row
|
||||
* major (maths) order.
|
||||
* @param buf The buffer to store this matrix in
|
||||
* @return this
|
||||
*/
|
||||
public abstract Matrix storeTranspose(FloatBuffer buf);
|
||||
|
||||
|
||||
/**
|
||||
* Transpose this matrix
|
||||
* @return this
|
||||
*/
|
||||
public abstract Matrix transpose();
|
||||
|
||||
|
||||
/**
|
||||
* Set this matrix to 0.
|
||||
* @return this
|
||||
*/
|
||||
public abstract Matrix setZero();
|
||||
|
||||
|
||||
/**
|
||||
* @return the determinant of the matrix
|
||||
*/
|
||||
public abstract float determinant();
|
||||
|
||||
|
||||
}
|
@ -1,370 +0,0 @@
|
||||
package utils.vectors;
|
||||
|
||||
|
||||
import java.io.Serializable;
|
||||
import java.nio.FloatBuffer;
|
||||
|
||||
/**
|
||||
*
|
||||
* Holds a 2x2 matrix
|
||||
*
|
||||
* @author cix_foo <cix_foo@users.sourceforge.net>
|
||||
* @version $Revision$
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
public class Matrix2f extends Matrix implements Serializable {
|
||||
|
||||
private static final long serialVersionUID = 1L;
|
||||
|
||||
public float m00, m01, m10, m11;
|
||||
|
||||
/**
|
||||
* Constructor for Matrix2f. The matrix is initialised to the identity.
|
||||
*/
|
||||
public Matrix2f() {
|
||||
setIdentity();
|
||||
}
|
||||
|
||||
/**
|
||||
* Constructor
|
||||
*/
|
||||
public Matrix2f(Matrix2f src) {
|
||||
load(src);
|
||||
}
|
||||
|
||||
/**
|
||||
* Load from another matrix
|
||||
* @param src The source matrix
|
||||
* @return this
|
||||
*/
|
||||
public Matrix2f load(Matrix2f src) {
|
||||
return load(src, this);
|
||||
}
|
||||
|
||||
/**
|
||||
* Copy the source matrix to the destination matrix.
|
||||
* @param src The source matrix
|
||||
* @param dest The destination matrix, or null if a new one should be created.
|
||||
* @return The copied matrix
|
||||
*/
|
||||
public static Matrix2f load(Matrix2f src, Matrix2f dest) {
|
||||
if (dest == null)
|
||||
dest = new Matrix2f();
|
||||
|
||||
dest.m00 = src.m00;
|
||||
dest.m01 = src.m01;
|
||||
dest.m10 = src.m10;
|
||||
dest.m11 = src.m11;
|
||||
|
||||
return dest;
|
||||
}
|
||||
|
||||
/**
|
||||
* Load from a float buffer. The buffer stores the matrix in column major
|
||||
* (OpenGL) order.
|
||||
*
|
||||
* @param buf A float buffer to read from
|
||||
* @return this
|
||||
*/
|
||||
public Matrix load(FloatBuffer buf) {
|
||||
|
||||
m00 = buf.get();
|
||||
m01 = buf.get();
|
||||
m10 = buf.get();
|
||||
m11 = buf.get();
|
||||
|
||||
return this;
|
||||
}
|
||||
|
||||
/**
|
||||
* Load from a float buffer. The buffer stores the matrix in row major
|
||||
* (mathematical) order.
|
||||
*
|
||||
* @param buf A float buffer to read from
|
||||
* @return this
|
||||
*/
|
||||
public Matrix loadTranspose(FloatBuffer buf) {
|
||||
|
||||
m00 = buf.get();
|
||||
m10 = buf.get();
|
||||
m01 = buf.get();
|
||||
m11 = buf.get();
|
||||
|
||||
return this;
|
||||
}
|
||||
|
||||
/**
|
||||
* Store this matrix in a float buffer. The matrix is stored in column
|
||||
* major (openGL) order.
|
||||
* @param buf The buffer to store this matrix in
|
||||
*/
|
||||
public Matrix store(FloatBuffer buf) {
|
||||
buf.put(m00);
|
||||
buf.put(m01);
|
||||
buf.put(m10);
|
||||
buf.put(m11);
|
||||
return this;
|
||||
}
|
||||
|
||||
/**
|
||||
* Store this matrix in a float buffer. The matrix is stored in row
|
||||
* major (maths) order.
|
||||
* @param buf The buffer to store this matrix in
|
||||
*/
|
||||
public Matrix storeTranspose(FloatBuffer buf) {
|
||||
buf.put(m00);
|
||||
buf.put(m10);
|
||||
buf.put(m01);
|
||||
buf.put(m11);
|
||||
return this;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* Add two matrices together and place the result in a third matrix.
|
||||
* @param left The left source matrix
|
||||
* @param right The right source matrix
|
||||
* @param dest The destination matrix, or null if a new one is to be created
|
||||
* @return the destination matrix
|
||||
*/
|
||||
public static Matrix2f add(Matrix2f left, Matrix2f right, Matrix2f dest) {
|
||||
if (dest == null)
|
||||
dest = new Matrix2f();
|
||||
|
||||
dest.m00 = left.m00 + right.m00;
|
||||
dest.m01 = left.m01 + right.m01;
|
||||
dest.m10 = left.m10 + right.m10;
|
||||
dest.m11 = left.m11 + right.m11;
|
||||
|
||||
return dest;
|
||||
}
|
||||
|
||||
/**
|
||||
* Subtract the right matrix from the left and place the result in a third matrix.
|
||||
* @param left The left source matrix
|
||||
* @param right The right source matrix
|
||||
* @param dest The destination matrix, or null if a new one is to be created
|
||||
* @return the destination matrix
|
||||
*/
|
||||
public static Matrix2f sub(Matrix2f left, Matrix2f right, Matrix2f dest) {
|
||||
if (dest == null)
|
||||
dest = new Matrix2f();
|
||||
|
||||
dest.m00 = left.m00 - right.m00;
|
||||
dest.m01 = left.m01 - right.m01;
|
||||
dest.m10 = left.m10 - right.m10;
|
||||
dest.m11 = left.m11 - right.m11;
|
||||
|
||||
return dest;
|
||||
}
|
||||
|
||||
/**
|
||||
* Multiply the right matrix by the left and place the result in a third matrix.
|
||||
* @param left The left source matrix
|
||||
* @param right The right source matrix
|
||||
* @param dest The destination matrix, or null if a new one is to be created
|
||||
* @return the destination matrix
|
||||
*/
|
||||
public static Matrix2f mul(Matrix2f left, Matrix2f right, Matrix2f dest) {
|
||||
if (dest == null)
|
||||
dest = new Matrix2f();
|
||||
|
||||
float m00 = left.m00 * right.m00 + left.m10 * right.m01;
|
||||
float m01 = left.m01 * right.m00 + left.m11 * right.m01;
|
||||
float m10 = left.m00 * right.m10 + left.m10 * right.m11;
|
||||
float m11 = left.m01 * right.m10 + left.m11 * right.m11;
|
||||
|
||||
dest.m00 = m00;
|
||||
dest.m01 = m01;
|
||||
dest.m10 = m10;
|
||||
dest.m11 = m11;
|
||||
|
||||
return dest;
|
||||
}
|
||||
|
||||
/**
|
||||
* Transform a Vector by a matrix and return the result in a destination
|
||||
* vector.
|
||||
* @param left The left matrix
|
||||
* @param right The right vector
|
||||
* @param dest The destination vector, or null if a new one is to be created
|
||||
* @return the destination vector
|
||||
*/
|
||||
public static Vector2f transform(Matrix2f left, Vector2f right, Vector2f dest) {
|
||||
if (dest == null)
|
||||
dest = new Vector2f();
|
||||
|
||||
float x = left.m00 * right.x + left.m10 * right.y;
|
||||
float y = left.m01 * right.x + left.m11 * right.y;
|
||||
|
||||
dest.x = x;
|
||||
dest.y = y;
|
||||
|
||||
return dest;
|
||||
}
|
||||
|
||||
/**
|
||||
* Transpose this matrix
|
||||
* @return this
|
||||
*/
|
||||
public Matrix transpose() {
|
||||
return transpose(this);
|
||||
}
|
||||
|
||||
/**
|
||||
* Transpose this matrix and place the result in another matrix.
|
||||
* @param dest The destination matrix or null if a new matrix is to be created
|
||||
* @return the transposed matrix
|
||||
*/
|
||||
public Matrix2f transpose(Matrix2f dest) {
|
||||
return transpose(this, dest);
|
||||
}
|
||||
|
||||
/**
|
||||
* Transpose the source matrix and place the result in the destination matrix.
|
||||
* @param src The source matrix or null if a new matrix is to be created
|
||||
* @param dest The destination matrix or null if a new matrix is to be created
|
||||
* @return the transposed matrix
|
||||
*/
|
||||
public static Matrix2f transpose(Matrix2f src, Matrix2f dest) {
|
||||
if (dest == null)
|
||||
dest = new Matrix2f();
|
||||
|
||||
float m01 = src.m10;
|
||||
float m10 = src.m01;
|
||||
|
||||
dest.m01 = m01;
|
||||
dest.m10 = m10;
|
||||
|
||||
return dest;
|
||||
}
|
||||
|
||||
/**
|
||||
* Invert this matrix
|
||||
* @return this if successful, null otherwise
|
||||
*/
|
||||
public Matrix invert() {
|
||||
return invert(this, this);
|
||||
}
|
||||
|
||||
/**
|
||||
* Invert the source matrix and place the result in the destination matrix.
|
||||
* @param src The source matrix to be inverted
|
||||
* @param dest The destination matrix or null if a new matrix is to be created
|
||||
* @return The inverted matrix, or null if source can't be reverted.
|
||||
*/
|
||||
public static Matrix2f invert(Matrix2f src, Matrix2f dest) {
|
||||
/*
|
||||
*inv(A) = 1/det(A) * adj(A);
|
||||
*/
|
||||
|
||||
float determinant = src.determinant();
|
||||
if (determinant != 0) {
|
||||
if (dest == null)
|
||||
dest = new Matrix2f();
|
||||
float determinant_inv = 1f/determinant;
|
||||
float t00 = src.m11*determinant_inv;
|
||||
float t01 = -src.m01*determinant_inv;
|
||||
float t11 = src.m00*determinant_inv;
|
||||
float t10 = -src.m10*determinant_inv;
|
||||
|
||||
dest.m00 = t00;
|
||||
dest.m01 = t01;
|
||||
dest.m10 = t10;
|
||||
dest.m11 = t11;
|
||||
return dest;
|
||||
} else
|
||||
return null;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns a string representation of this matrix
|
||||
*/
|
||||
public String toString() {
|
||||
StringBuilder buf = new StringBuilder();
|
||||
buf.append(m00).append(' ').append(m10).append(' ').append('\n');
|
||||
buf.append(m01).append(' ').append(m11).append(' ').append('\n');
|
||||
return buf.toString();
|
||||
}
|
||||
|
||||
/**
|
||||
* Negate this matrix
|
||||
* @return this
|
||||
*/
|
||||
public Matrix negate() {
|
||||
return negate(this);
|
||||
}
|
||||
|
||||
/**
|
||||
* Negate this matrix and stash the result in another matrix.
|
||||
* @param dest The destination matrix, or null if a new matrix is to be created
|
||||
* @return the negated matrix
|
||||
*/
|
||||
public Matrix2f negate(Matrix2f dest) {
|
||||
return negate(this, dest);
|
||||
}
|
||||
|
||||
/**
|
||||
* Negate the source matrix and stash the result in the destination matrix.
|
||||
* @param src The source matrix to be negated
|
||||
* @param dest The destination matrix, or null if a new matrix is to be created
|
||||
* @return the negated matrix
|
||||
*/
|
||||
public static Matrix2f negate(Matrix2f src, Matrix2f dest) {
|
||||
if (dest == null)
|
||||
dest = new Matrix2f();
|
||||
|
||||
dest.m00 = -src.m00;
|
||||
dest.m01 = -src.m01;
|
||||
dest.m10 = -src.m10;
|
||||
dest.m11 = -src.m11;
|
||||
|
||||
return dest;
|
||||
}
|
||||
|
||||
/**
|
||||
* Set this matrix to be the identity matrix.
|
||||
* @return this
|
||||
*/
|
||||
public Matrix setIdentity() {
|
||||
return setIdentity(this);
|
||||
}
|
||||
|
||||
/**
|
||||
* Set the source matrix to be the identity matrix.
|
||||
* @param src The matrix to set to the identity.
|
||||
* @return The source matrix
|
||||
*/
|
||||
public static Matrix2f setIdentity(Matrix2f src) {
|
||||
src.m00 = 1.0f;
|
||||
src.m01 = 0.0f;
|
||||
src.m10 = 0.0f;
|
||||
src.m11 = 1.0f;
|
||||
return src;
|
||||
}
|
||||
|
||||
/**
|
||||
* Set this matrix to 0.
|
||||
* @return this
|
||||
*/
|
||||
public Matrix setZero() {
|
||||
return setZero(this);
|
||||
}
|
||||
|
||||
public static Matrix2f setZero(Matrix2f src) {
|
||||
src.m00 = 0.0f;
|
||||
src.m01 = 0.0f;
|
||||
src.m10 = 0.0f;
|
||||
src.m11 = 0.0f;
|
||||
return src;
|
||||
}
|
||||
|
||||
/* (non-Javadoc)
|
||||
* @see org.lwjgl.vector.Matrix#determinant()
|
||||
*/
|
||||
public float determinant() {
|
||||
return m00 * m11 - m01*m10;
|
||||
}
|
||||
}
|
@ -1,480 +0,0 @@
|
||||
package utils.vectors;
|
||||
|
||||
|
||||
import java.io.Serializable;
|
||||
import java.nio.FloatBuffer;
|
||||
|
||||
/**
|
||||
*
|
||||
* Holds a 3x3 matrix.
|
||||
*
|
||||
* @author cix_foo <cix_foo@users.sourceforge.net>
|
||||
* @version $Revision$
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
public class Matrix3f extends Matrix implements Serializable {
|
||||
|
||||
private static final long serialVersionUID = 1L;
|
||||
|
||||
public float m00,
|
||||
m01,
|
||||
m02,
|
||||
m10,
|
||||
m11,
|
||||
m12,
|
||||
m20,
|
||||
m21,
|
||||
m22;
|
||||
|
||||
/**
|
||||
* Constructor for Matrix3f. Matrix is initialised to the identity.
|
||||
*/
|
||||
public Matrix3f() {
|
||||
super();
|
||||
setIdentity();
|
||||
}
|
||||
|
||||
/**
|
||||
* Load from another matrix
|
||||
* @param src The source matrix
|
||||
* @return this
|
||||
*/
|
||||
public Matrix3f load(Matrix3f src) {
|
||||
return load(src, this);
|
||||
}
|
||||
|
||||
/**
|
||||
* Copy source matrix to destination matrix
|
||||
* @param src The source matrix
|
||||
* @param dest The destination matrix, or null of a new matrix is to be created
|
||||
* @return The copied matrix
|
||||
*/
|
||||
public static Matrix3f load(Matrix3f src, Matrix3f dest) {
|
||||
if (dest == null)
|
||||
dest = new Matrix3f();
|
||||
|
||||
dest.m00 = src.m00;
|
||||
dest.m10 = src.m10;
|
||||
dest.m20 = src.m20;
|
||||
dest.m01 = src.m01;
|
||||
dest.m11 = src.m11;
|
||||
dest.m21 = src.m21;
|
||||
dest.m02 = src.m02;
|
||||
dest.m12 = src.m12;
|
||||
dest.m22 = src.m22;
|
||||
|
||||
return dest;
|
||||
}
|
||||
|
||||
/**
|
||||
* Load from a float buffer. The buffer stores the matrix in column major
|
||||
* (OpenGL) order.
|
||||
*
|
||||
* @param buf A float buffer to read from
|
||||
* @return this
|
||||
*/
|
||||
public Matrix load(FloatBuffer buf) {
|
||||
|
||||
m00 = buf.get();
|
||||
m01 = buf.get();
|
||||
m02 = buf.get();
|
||||
m10 = buf.get();
|
||||
m11 = buf.get();
|
||||
m12 = buf.get();
|
||||
m20 = buf.get();
|
||||
m21 = buf.get();
|
||||
m22 = buf.get();
|
||||
|
||||
return this;
|
||||
}
|
||||
|
||||
/**
|
||||
* Load from a float buffer. The buffer stores the matrix in row major
|
||||
* (maths) order.
|
||||
*
|
||||
* @param buf A float buffer to read from
|
||||
* @return this
|
||||
*/
|
||||
public Matrix loadTranspose(FloatBuffer buf) {
|
||||
|
||||
m00 = buf.get();
|
||||
m10 = buf.get();
|
||||
m20 = buf.get();
|
||||
m01 = buf.get();
|
||||
m11 = buf.get();
|
||||
m21 = buf.get();
|
||||
m02 = buf.get();
|
||||
m12 = buf.get();
|
||||
m22 = buf.get();
|
||||
|
||||
return this;
|
||||
}
|
||||
|
||||
/**
|
||||
* Store this matrix in a float buffer. The matrix is stored in column
|
||||
* major (openGL) order.
|
||||
* @param buf The buffer to store this matrix in
|
||||
*/
|
||||
public Matrix store(FloatBuffer buf) {
|
||||
buf.put(m00);
|
||||
buf.put(m01);
|
||||
buf.put(m02);
|
||||
buf.put(m10);
|
||||
buf.put(m11);
|
||||
buf.put(m12);
|
||||
buf.put(m20);
|
||||
buf.put(m21);
|
||||
buf.put(m22);
|
||||
return this;
|
||||
}
|
||||
|
||||
/**
|
||||
* Store this matrix in a float buffer. The matrix is stored in row
|
||||
* major (maths) order.
|
||||
* @param buf The buffer to store this matrix in
|
||||
*/
|
||||
public Matrix storeTranspose(FloatBuffer buf) {
|
||||
buf.put(m00);
|
||||
buf.put(m10);
|
||||
buf.put(m20);
|
||||
buf.put(m01);
|
||||
buf.put(m11);
|
||||
buf.put(m21);
|
||||
buf.put(m02);
|
||||
buf.put(m12);
|
||||
buf.put(m22);
|
||||
return this;
|
||||
}
|
||||
|
||||
/**
|
||||
* Add two matrices together and place the result in a third matrix.
|
||||
* @param left The left source matrix
|
||||
* @param right The right source matrix
|
||||
* @param dest The destination matrix, or null if a new one is to be created
|
||||
* @return the destination matrix
|
||||
*/
|
||||
public static Matrix3f add(Matrix3f left, Matrix3f right, Matrix3f dest) {
|
||||
if (dest == null)
|
||||
dest = new Matrix3f();
|
||||
|
||||
dest.m00 = left.m00 + right.m00;
|
||||
dest.m01 = left.m01 + right.m01;
|
||||
dest.m02 = left.m02 + right.m02;
|
||||
dest.m10 = left.m10 + right.m10;
|
||||
dest.m11 = left.m11 + right.m11;
|
||||
dest.m12 = left.m12 + right.m12;
|
||||
dest.m20 = left.m20 + right.m20;
|
||||
dest.m21 = left.m21 + right.m21;
|
||||
dest.m22 = left.m22 + right.m22;
|
||||
|
||||
return dest;
|
||||
}
|
||||
|
||||
/**
|
||||
* Subtract the right matrix from the left and place the result in a third matrix.
|
||||
* @param left The left source matrix
|
||||
* @param right The right source matrix
|
||||
* @param dest The destination matrix, or null if a new one is to be created
|
||||
* @return the destination matrix
|
||||
*/
|
||||
public static Matrix3f sub(Matrix3f left, Matrix3f right, Matrix3f dest) {
|
||||
if (dest == null)
|
||||
dest = new Matrix3f();
|
||||
|
||||
dest.m00 = left.m00 - right.m00;
|
||||
dest.m01 = left.m01 - right.m01;
|
||||
dest.m02 = left.m02 - right.m02;
|
||||
dest.m10 = left.m10 - right.m10;
|
||||
dest.m11 = left.m11 - right.m11;
|
||||
dest.m12 = left.m12 - right.m12;
|
||||
dest.m20 = left.m20 - right.m20;
|
||||
dest.m21 = left.m21 - right.m21;
|
||||
dest.m22 = left.m22 - right.m22;
|
||||
|
||||
return dest;
|
||||
}
|
||||
|
||||
/**
|
||||
* Multiply the right matrix by the left and place the result in a third matrix.
|
||||
* @param left The left source matrix
|
||||
* @param right The right source matrix
|
||||
* @param dest The destination matrix, or null if a new one is to be created
|
||||
* @return the destination matrix
|
||||
*/
|
||||
public static Matrix3f mul(Matrix3f left, Matrix3f right, Matrix3f dest) {
|
||||
if (dest == null)
|
||||
dest = new Matrix3f();
|
||||
|
||||
float m00 =
|
||||
left.m00 * right.m00 + left.m10 * right.m01 + left.m20 * right.m02;
|
||||
float m01 =
|
||||
left.m01 * right.m00 + left.m11 * right.m01 + left.m21 * right.m02;
|
||||
float m02 =
|
||||
left.m02 * right.m00 + left.m12 * right.m01 + left.m22 * right.m02;
|
||||
float m10 =
|
||||
left.m00 * right.m10 + left.m10 * right.m11 + left.m20 * right.m12;
|
||||
float m11 =
|
||||
left.m01 * right.m10 + left.m11 * right.m11 + left.m21 * right.m12;
|
||||
float m12 =
|
||||
left.m02 * right.m10 + left.m12 * right.m11 + left.m22 * right.m12;
|
||||
float m20 =
|
||||
left.m00 * right.m20 + left.m10 * right.m21 + left.m20 * right.m22;
|
||||
float m21 =
|
||||
left.m01 * right.m20 + left.m11 * right.m21 + left.m21 * right.m22;
|
||||
float m22 =
|
||||
left.m02 * right.m20 + left.m12 * right.m21 + left.m22 * right.m22;
|
||||
|
||||
dest.m00 = m00;
|
||||
dest.m01 = m01;
|
||||
dest.m02 = m02;
|
||||
dest.m10 = m10;
|
||||
dest.m11 = m11;
|
||||
dest.m12 = m12;
|
||||
dest.m20 = m20;
|
||||
dest.m21 = m21;
|
||||
dest.m22 = m22;
|
||||
|
||||
return dest;
|
||||
}
|
||||
|
||||
/**
|
||||
* Transform a Vector by a matrix and return the result in a destination
|
||||
* vector.
|
||||
* @param left The left matrix
|
||||
* @param right The right vector
|
||||
* @param dest The destination vector, or null if a new one is to be created
|
||||
* @return the destination vector
|
||||
*/
|
||||
public static Vector3f transform(Matrix3f left, Vector3f right, Vector3f dest) {
|
||||
if (dest == null)
|
||||
dest = new Vector3f();
|
||||
|
||||
float x = left.m00 * right.x + left.m10 * right.y + left.m20 * right.z;
|
||||
float y = left.m01 * right.x + left.m11 * right.y + left.m21 * right.z;
|
||||
float z = left.m02 * right.x + left.m12 * right.y + left.m22 * right.z;
|
||||
|
||||
dest.x = x;
|
||||
dest.y = y;
|
||||
dest.z = z;
|
||||
|
||||
return dest;
|
||||
}
|
||||
|
||||
/**
|
||||
* Transpose this matrix
|
||||
* @return this
|
||||
*/
|
||||
public Matrix transpose() {
|
||||
return transpose(this, this);
|
||||
}
|
||||
|
||||
/**
|
||||
* Transpose this matrix and place the result in another matrix
|
||||
* @param dest The destination matrix or null if a new matrix is to be created
|
||||
* @return the transposed matrix
|
||||
*/
|
||||
public Matrix3f transpose(Matrix3f dest) {
|
||||
return transpose(this, dest);
|
||||
}
|
||||
|
||||
/**
|
||||
* Transpose the source matrix and place the result into the destination matrix
|
||||
* @param src The source matrix to be transposed
|
||||
* @param dest The destination matrix or null if a new matrix is to be created
|
||||
* @return the transposed matrix
|
||||
*/
|
||||
public static Matrix3f transpose(Matrix3f src, Matrix3f dest) {
|
||||
if (dest == null)
|
||||
dest = new Matrix3f();
|
||||
float m00 = src.m00;
|
||||
float m01 = src.m10;
|
||||
float m02 = src.m20;
|
||||
float m10 = src.m01;
|
||||
float m11 = src.m11;
|
||||
float m12 = src.m21;
|
||||
float m20 = src.m02;
|
||||
float m21 = src.m12;
|
||||
float m22 = src.m22;
|
||||
|
||||
dest.m00 = m00;
|
||||
dest.m01 = m01;
|
||||
dest.m02 = m02;
|
||||
dest.m10 = m10;
|
||||
dest.m11 = m11;
|
||||
dest.m12 = m12;
|
||||
dest.m20 = m20;
|
||||
dest.m21 = m21;
|
||||
dest.m22 = m22;
|
||||
return dest;
|
||||
}
|
||||
|
||||
/**
|
||||
* @return the determinant of the matrix
|
||||
*/
|
||||
public float determinant() {
|
||||
float f =
|
||||
m00 * (m11 * m22 - m12 * m21)
|
||||
+ m01 * (m12 * m20 - m10 * m22)
|
||||
+ m02 * (m10 * m21 - m11 * m20);
|
||||
return f;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns a string representation of this matrix
|
||||
*/
|
||||
public String toString() {
|
||||
StringBuilder buf = new StringBuilder();
|
||||
buf.append(m00).append(' ').append(m10).append(' ').append(m20).append(' ').append('\n');
|
||||
buf.append(m01).append(' ').append(m11).append(' ').append(m21).append(' ').append('\n');
|
||||
buf.append(m02).append(' ').append(m12).append(' ').append(m22).append(' ').append('\n');
|
||||
return buf.toString();
|
||||
}
|
||||
|
||||
/**
|
||||
* Invert this matrix
|
||||
* @return this if successful, null otherwise
|
||||
*/
|
||||
public Matrix invert() {
|
||||
return invert(this, this);
|
||||
}
|
||||
|
||||
/**
|
||||
* Invert the source matrix and put the result into the destination matrix
|
||||
* @param src The source matrix to be inverted
|
||||
* @param dest The destination matrix, or null if a new one is to be created
|
||||
* @return The inverted matrix if successful, null otherwise
|
||||
*/
|
||||
public static Matrix3f invert(Matrix3f src, Matrix3f dest) {
|
||||
float determinant = src.determinant();
|
||||
|
||||
if (determinant != 0) {
|
||||
if (dest == null)
|
||||
dest = new Matrix3f();
|
||||
/* do it the ordinary way
|
||||
*
|
||||
* inv(A) = 1/det(A) * adj(T), where adj(T) = transpose(Conjugate Matrix)
|
||||
*
|
||||
* m00 m01 m02
|
||||
* m10 m11 m12
|
||||
* m20 m21 m22
|
||||
*/
|
||||
float determinant_inv = 1f/determinant;
|
||||
|
||||
// get the conjugate matrix
|
||||
float t00 = src.m11 * src.m22 - src.m12* src.m21;
|
||||
float t01 = - src.m10 * src.m22 + src.m12 * src.m20;
|
||||
float t02 = src.m10 * src.m21 - src.m11 * src.m20;
|
||||
float t10 = - src.m01 * src.m22 + src.m02 * src.m21;
|
||||
float t11 = src.m00 * src.m22 - src.m02 * src.m20;
|
||||
float t12 = - src.m00 * src.m21 + src.m01 * src.m20;
|
||||
float t20 = src.m01 * src.m12 - src.m02 * src.m11;
|
||||
float t21 = -src.m00 * src.m12 + src.m02 * src.m10;
|
||||
float t22 = src.m00 * src.m11 - src.m01 * src.m10;
|
||||
|
||||
dest.m00 = t00*determinant_inv;
|
||||
dest.m11 = t11*determinant_inv;
|
||||
dest.m22 = t22*determinant_inv;
|
||||
dest.m01 = t10*determinant_inv;
|
||||
dest.m10 = t01*determinant_inv;
|
||||
dest.m20 = t02*determinant_inv;
|
||||
dest.m02 = t20*determinant_inv;
|
||||
dest.m12 = t21*determinant_inv;
|
||||
dest.m21 = t12*determinant_inv;
|
||||
return dest;
|
||||
} else
|
||||
return null;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Negate this matrix
|
||||
* @return this
|
||||
*/
|
||||
public Matrix negate() {
|
||||
return negate(this);
|
||||
}
|
||||
|
||||
/**
|
||||
* Negate this matrix and place the result in a destination matrix.
|
||||
* @param dest The destination matrix, or null if a new matrix is to be created
|
||||
* @return the negated matrix
|
||||
*/
|
||||
public Matrix3f negate(Matrix3f dest) {
|
||||
return negate(this, dest);
|
||||
}
|
||||
|
||||
/**
|
||||
* Negate the source matrix and place the result in the destination matrix.
|
||||
* @param src The source matrix
|
||||
* @param dest The destination matrix, or null if a new matrix is to be created
|
||||
* @return the negated matrix
|
||||
*/
|
||||
public static Matrix3f negate(Matrix3f src, Matrix3f dest) {
|
||||
if (dest == null)
|
||||
dest = new Matrix3f();
|
||||
|
||||
dest.m00 = -src.m00;
|
||||
dest.m01 = -src.m02;
|
||||
dest.m02 = -src.m01;
|
||||
dest.m10 = -src.m10;
|
||||
dest.m11 = -src.m12;
|
||||
dest.m12 = -src.m11;
|
||||
dest.m20 = -src.m20;
|
||||
dest.m21 = -src.m22;
|
||||
dest.m22 = -src.m21;
|
||||
return dest;
|
||||
}
|
||||
|
||||
/**
|
||||
* Set this matrix to be the identity matrix.
|
||||
* @return this
|
||||
*/
|
||||
public Matrix setIdentity() {
|
||||
return setIdentity(this);
|
||||
}
|
||||
|
||||
/**
|
||||
* Set the matrix to be the identity matrix.
|
||||
* @param m The matrix to be set to the identity
|
||||
* @return m
|
||||
*/
|
||||
public static Matrix3f setIdentity(Matrix3f m) {
|
||||
m.m00 = 1.0f;
|
||||
m.m01 = 0.0f;
|
||||
m.m02 = 0.0f;
|
||||
m.m10 = 0.0f;
|
||||
m.m11 = 1.0f;
|
||||
m.m12 = 0.0f;
|
||||
m.m20 = 0.0f;
|
||||
m.m21 = 0.0f;
|
||||
m.m22 = 1.0f;
|
||||
return m;
|
||||
}
|
||||
|
||||
/**
|
||||
* Set this matrix to 0.
|
||||
* @return this
|
||||
*/
|
||||
public Matrix setZero() {
|
||||
return setZero(this);
|
||||
}
|
||||
|
||||
/**
|
||||
* Set the matrix matrix to 0.
|
||||
* @param m The matrix to be set to 0
|
||||
* @return m
|
||||
*/
|
||||
public static Matrix3f setZero(Matrix3f m) {
|
||||
m.m00 = 0.0f;
|
||||
m.m01 = 0.0f;
|
||||
m.m02 = 0.0f;
|
||||
m.m10 = 0.0f;
|
||||
m.m11 = 0.0f;
|
||||
m.m12 = 0.0f;
|
||||
m.m20 = 0.0f;
|
||||
m.m21 = 0.0f;
|
||||
m.m22 = 0.0f;
|
||||
return m;
|
||||
}
|
||||
}
|
@ -1,819 +0,0 @@
|
||||
package utils.vectors;
|
||||
|
||||
|
||||
import java.io.Serializable;
|
||||
import java.nio.FloatBuffer;
|
||||
|
||||
/**
|
||||
* Holds a 4x4 float matrix.
|
||||
*
|
||||
* @author foo
|
||||
*/
|
||||
public class Matrix4f extends Matrix implements Serializable {
|
||||
private static final long serialVersionUID = 1L;
|
||||
|
||||
public float m00, m01, m02, m03, m10, m11, m12, m13, m20, m21, m22, m23, m30, m31, m32, m33;
|
||||
|
||||
/**
|
||||
* Construct a new matrix, initialized to the identity.
|
||||
*/
|
||||
public Matrix4f() {
|
||||
super();
|
||||
setIdentity();
|
||||
}
|
||||
|
||||
public Matrix4f(final Matrix4f src) {
|
||||
super();
|
||||
load(src);
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns a string representation of this matrix
|
||||
*/
|
||||
public String toString() {
|
||||
StringBuilder buf = new StringBuilder();
|
||||
buf.append(m00).append(' ').append(m10).append(' ').append(m20).append(' ').append(m30).append('\n');
|
||||
buf.append(m01).append(' ').append(m11).append(' ').append(m21).append(' ').append(m31).append('\n');
|
||||
buf.append(m02).append(' ').append(m12).append(' ').append(m22).append(' ').append(m32).append('\n');
|
||||
buf.append(m03).append(' ').append(m13).append(' ').append(m23).append(' ').append(m33).append('\n');
|
||||
return buf.toString();
|
||||
}
|
||||
|
||||
/**
|
||||
* Set this matrix to be the identity matrix.
|
||||
* @return this
|
||||
*/
|
||||
public Matrix setIdentity() {
|
||||
return setIdentity(this);
|
||||
}
|
||||
|
||||
/**
|
||||
* Set the given matrix to be the identity matrix.
|
||||
* @param m The matrix to set to the identity
|
||||
* @return m
|
||||
*/
|
||||
public static Matrix4f setIdentity(Matrix4f m) {
|
||||
m.m00 = 1.0f;
|
||||
m.m01 = 0.0f;
|
||||
m.m02 = 0.0f;
|
||||
m.m03 = 0.0f;
|
||||
m.m10 = 0.0f;
|
||||
m.m11 = 1.0f;
|
||||
m.m12 = 0.0f;
|
||||
m.m13 = 0.0f;
|
||||
m.m20 = 0.0f;
|
||||
m.m21 = 0.0f;
|
||||
m.m22 = 1.0f;
|
||||
m.m23 = 0.0f;
|
||||
m.m30 = 0.0f;
|
||||
m.m31 = 0.0f;
|
||||
m.m32 = 0.0f;
|
||||
m.m33 = 1.0f;
|
||||
|
||||
return m;
|
||||
}
|
||||
|
||||
/**
|
||||
* Set this matrix to 0.
|
||||
* @return this
|
||||
*/
|
||||
public Matrix setZero() {
|
||||
return setZero(this);
|
||||
}
|
||||
|
||||
/**
|
||||
* Set the given matrix to 0.
|
||||
* @param m The matrix to set to 0
|
||||
* @return m
|
||||
*/
|
||||
public static Matrix4f setZero(Matrix4f m) {
|
||||
m.m00 = 0.0f;
|
||||
m.m01 = 0.0f;
|
||||
m.m02 = 0.0f;
|
||||
m.m03 = 0.0f;
|
||||
m.m10 = 0.0f;
|
||||
m.m11 = 0.0f;
|
||||
m.m12 = 0.0f;
|
||||
m.m13 = 0.0f;
|
||||
m.m20 = 0.0f;
|
||||
m.m21 = 0.0f;
|
||||
m.m22 = 0.0f;
|
||||
m.m23 = 0.0f;
|
||||
m.m30 = 0.0f;
|
||||
m.m31 = 0.0f;
|
||||
m.m32 = 0.0f;
|
||||
m.m33 = 0.0f;
|
||||
|
||||
return m;
|
||||
}
|
||||
|
||||
/**
|
||||
* Load from another matrix4f
|
||||
* @param src The source matrix
|
||||
* @return this
|
||||
*/
|
||||
public Matrix4f load(Matrix4f src) {
|
||||
return load(src, this);
|
||||
}
|
||||
|
||||
/**
|
||||
* Copy the source matrix to the destination matrix
|
||||
* @param src The source matrix
|
||||
* @param dest The destination matrix, or null of a new one is to be created
|
||||
* @return The copied matrix
|
||||
*/
|
||||
public static Matrix4f load(Matrix4f src, Matrix4f dest) {
|
||||
if (dest == null)
|
||||
dest = new Matrix4f();
|
||||
dest.m00 = src.m00;
|
||||
dest.m01 = src.m01;
|
||||
dest.m02 = src.m02;
|
||||
dest.m03 = src.m03;
|
||||
dest.m10 = src.m10;
|
||||
dest.m11 = src.m11;
|
||||
dest.m12 = src.m12;
|
||||
dest.m13 = src.m13;
|
||||
dest.m20 = src.m20;
|
||||
dest.m21 = src.m21;
|
||||
dest.m22 = src.m22;
|
||||
dest.m23 = src.m23;
|
||||
dest.m30 = src.m30;
|
||||
dest.m31 = src.m31;
|
||||
dest.m32 = src.m32;
|
||||
dest.m33 = src.m33;
|
||||
|
||||
return dest;
|
||||
}
|
||||
|
||||
/**
|
||||
* Load from a float buffer. The buffer stores the matrix in column major
|
||||
* (OpenGL) order.
|
||||
*
|
||||
* @param buf A float buffer to read from
|
||||
* @return this
|
||||
*/
|
||||
public Matrix load(FloatBuffer buf) {
|
||||
|
||||
m00 = buf.get();
|
||||
m01 = buf.get();
|
||||
m02 = buf.get();
|
||||
m03 = buf.get();
|
||||
m10 = buf.get();
|
||||
m11 = buf.get();
|
||||
m12 = buf.get();
|
||||
m13 = buf.get();
|
||||
m20 = buf.get();
|
||||
m21 = buf.get();
|
||||
m22 = buf.get();
|
||||
m23 = buf.get();
|
||||
m30 = buf.get();
|
||||
m31 = buf.get();
|
||||
m32 = buf.get();
|
||||
m33 = buf.get();
|
||||
|
||||
return this;
|
||||
}
|
||||
|
||||
/**
|
||||
* Load from a float buffer. The buffer stores the matrix in row major
|
||||
* (maths) order.
|
||||
*
|
||||
* @param buf A float buffer to read from
|
||||
* @return this
|
||||
*/
|
||||
public Matrix loadTranspose(FloatBuffer buf) {
|
||||
|
||||
m00 = buf.get();
|
||||
m10 = buf.get();
|
||||
m20 = buf.get();
|
||||
m30 = buf.get();
|
||||
m01 = buf.get();
|
||||
m11 = buf.get();
|
||||
m21 = buf.get();
|
||||
m31 = buf.get();
|
||||
m02 = buf.get();
|
||||
m12 = buf.get();
|
||||
m22 = buf.get();
|
||||
m32 = buf.get();
|
||||
m03 = buf.get();
|
||||
m13 = buf.get();
|
||||
m23 = buf.get();
|
||||
m33 = buf.get();
|
||||
|
||||
return this;
|
||||
}
|
||||
|
||||
/**
|
||||
* Store this matrix in a float buffer. The matrix is stored in column
|
||||
* major (openGL) order.
|
||||
* @param buf The buffer to store this matrix in
|
||||
*/
|
||||
public Matrix store(FloatBuffer buf) {
|
||||
buf.put(m00);
|
||||
buf.put(m01);
|
||||
buf.put(m02);
|
||||
buf.put(m03);
|
||||
buf.put(m10);
|
||||
buf.put(m11);
|
||||
buf.put(m12);
|
||||
buf.put(m13);
|
||||
buf.put(m20);
|
||||
buf.put(m21);
|
||||
buf.put(m22);
|
||||
buf.put(m23);
|
||||
buf.put(m30);
|
||||
buf.put(m31);
|
||||
buf.put(m32);
|
||||
buf.put(m33);
|
||||
return this;
|
||||
}
|
||||
|
||||
/**
|
||||
* Store this matrix in a float buffer. The matrix is stored in row
|
||||
* major (maths) order.
|
||||
* @param buf The buffer to store this matrix in
|
||||
*/
|
||||
public Matrix storeTranspose(FloatBuffer buf) {
|
||||
buf.put(m00);
|
||||
buf.put(m10);
|
||||
buf.put(m20);
|
||||
buf.put(m30);
|
||||
buf.put(m01);
|
||||
buf.put(m11);
|
||||
buf.put(m21);
|
||||
buf.put(m31);
|
||||
buf.put(m02);
|
||||
buf.put(m12);
|
||||
buf.put(m22);
|
||||
buf.put(m32);
|
||||
buf.put(m03);
|
||||
buf.put(m13);
|
||||
buf.put(m23);
|
||||
buf.put(m33);
|
||||
return this;
|
||||
}
|
||||
|
||||
/**
|
||||
* Store the rotation portion of this matrix in a float buffer. The matrix is stored in column
|
||||
* major (openGL) order.
|
||||
* @param buf The buffer to store this matrix in
|
||||
*/
|
||||
public Matrix store3f(FloatBuffer buf) {
|
||||
buf.put(m00);
|
||||
buf.put(m01);
|
||||
buf.put(m02);
|
||||
buf.put(m10);
|
||||
buf.put(m11);
|
||||
buf.put(m12);
|
||||
buf.put(m20);
|
||||
buf.put(m21);
|
||||
buf.put(m22);
|
||||
return this;
|
||||
}
|
||||
|
||||
/**
|
||||
* Add two matrices together and place the result in a third matrix.
|
||||
* @param left The left source matrix
|
||||
* @param right The right source matrix
|
||||
* @param dest The destination matrix, or null if a new one is to be created
|
||||
* @return the destination matrix
|
||||
*/
|
||||
public static Matrix4f add(Matrix4f left, Matrix4f right, Matrix4f dest) {
|
||||
if (dest == null)
|
||||
dest = new Matrix4f();
|
||||
|
||||
dest.m00 = left.m00 + right.m00;
|
||||
dest.m01 = left.m01 + right.m01;
|
||||
dest.m02 = left.m02 + right.m02;
|
||||
dest.m03 = left.m03 + right.m03;
|
||||
dest.m10 = left.m10 + right.m10;
|
||||
dest.m11 = left.m11 + right.m11;
|
||||
dest.m12 = left.m12 + right.m12;
|
||||
dest.m13 = left.m13 + right.m13;
|
||||
dest.m20 = left.m20 + right.m20;
|
||||
dest.m21 = left.m21 + right.m21;
|
||||
dest.m22 = left.m22 + right.m22;
|
||||
dest.m23 = left.m23 + right.m23;
|
||||
dest.m30 = left.m30 + right.m30;
|
||||
dest.m31 = left.m31 + right.m31;
|
||||
dest.m32 = left.m32 + right.m32;
|
||||
dest.m33 = left.m33 + right.m33;
|
||||
|
||||
return dest;
|
||||
}
|
||||
|
||||
/**
|
||||
* Subtract the right matrix from the left and place the result in a third matrix.
|
||||
* @param left The left source matrix
|
||||
* @param right The right source matrix
|
||||
* @param dest The destination matrix, or null if a new one is to be created
|
||||
* @return the destination matrix
|
||||
*/
|
||||
public static Matrix4f sub(Matrix4f left, Matrix4f right, Matrix4f dest) {
|
||||
if (dest == null)
|
||||
dest = new Matrix4f();
|
||||
|
||||
dest.m00 = left.m00 - right.m00;
|
||||
dest.m01 = left.m01 - right.m01;
|
||||
dest.m02 = left.m02 - right.m02;
|
||||
dest.m03 = left.m03 - right.m03;
|
||||
dest.m10 = left.m10 - right.m10;
|
||||
dest.m11 = left.m11 - right.m11;
|
||||
dest.m12 = left.m12 - right.m12;
|
||||
dest.m13 = left.m13 - right.m13;
|
||||
dest.m20 = left.m20 - right.m20;
|
||||
dest.m21 = left.m21 - right.m21;
|
||||
dest.m22 = left.m22 - right.m22;
|
||||
dest.m23 = left.m23 - right.m23;
|
||||
dest.m30 = left.m30 - right.m30;
|
||||
dest.m31 = left.m31 - right.m31;
|
||||
dest.m32 = left.m32 - right.m32;
|
||||
dest.m33 = left.m33 - right.m33;
|
||||
|
||||
return dest;
|
||||
}
|
||||
|
||||
/**
|
||||
* Multiply the right matrix by the left and place the result in a third matrix.
|
||||
* @param left The left source matrix
|
||||
* @param right The right source matrix
|
||||
* @param dest The destination matrix, or null if a new one is to be created
|
||||
* @return the destination matrix
|
||||
*/
|
||||
public static Matrix4f mul(Matrix4f left, Matrix4f right, Matrix4f dest) {
|
||||
if (dest == null)
|
||||
dest = new Matrix4f();
|
||||
|
||||
float m00 = left.m00 * right.m00 + left.m10 * right.m01 + left.m20 * right.m02 + left.m30 * right.m03;
|
||||
float m01 = left.m01 * right.m00 + left.m11 * right.m01 + left.m21 * right.m02 + left.m31 * right.m03;
|
||||
float m02 = left.m02 * right.m00 + left.m12 * right.m01 + left.m22 * right.m02 + left.m32 * right.m03;
|
||||
float m03 = left.m03 * right.m00 + left.m13 * right.m01 + left.m23 * right.m02 + left.m33 * right.m03;
|
||||
float m10 = left.m00 * right.m10 + left.m10 * right.m11 + left.m20 * right.m12 + left.m30 * right.m13;
|
||||
float m11 = left.m01 * right.m10 + left.m11 * right.m11 + left.m21 * right.m12 + left.m31 * right.m13;
|
||||
float m12 = left.m02 * right.m10 + left.m12 * right.m11 + left.m22 * right.m12 + left.m32 * right.m13;
|
||||
float m13 = left.m03 * right.m10 + left.m13 * right.m11 + left.m23 * right.m12 + left.m33 * right.m13;
|
||||
float m20 = left.m00 * right.m20 + left.m10 * right.m21 + left.m20 * right.m22 + left.m30 * right.m23;
|
||||
float m21 = left.m01 * right.m20 + left.m11 * right.m21 + left.m21 * right.m22 + left.m31 * right.m23;
|
||||
float m22 = left.m02 * right.m20 + left.m12 * right.m21 + left.m22 * right.m22 + left.m32 * right.m23;
|
||||
float m23 = left.m03 * right.m20 + left.m13 * right.m21 + left.m23 * right.m22 + left.m33 * right.m23;
|
||||
float m30 = left.m00 * right.m30 + left.m10 * right.m31 + left.m20 * right.m32 + left.m30 * right.m33;
|
||||
float m31 = left.m01 * right.m30 + left.m11 * right.m31 + left.m21 * right.m32 + left.m31 * right.m33;
|
||||
float m32 = left.m02 * right.m30 + left.m12 * right.m31 + left.m22 * right.m32 + left.m32 * right.m33;
|
||||
float m33 = left.m03 * right.m30 + left.m13 * right.m31 + left.m23 * right.m32 + left.m33 * right.m33;
|
||||
|
||||
dest.m00 = m00;
|
||||
dest.m01 = m01;
|
||||
dest.m02 = m02;
|
||||
dest.m03 = m03;
|
||||
dest.m10 = m10;
|
||||
dest.m11 = m11;
|
||||
dest.m12 = m12;
|
||||
dest.m13 = m13;
|
||||
dest.m20 = m20;
|
||||
dest.m21 = m21;
|
||||
dest.m22 = m22;
|
||||
dest.m23 = m23;
|
||||
dest.m30 = m30;
|
||||
dest.m31 = m31;
|
||||
dest.m32 = m32;
|
||||
dest.m33 = m33;
|
||||
|
||||
return dest;
|
||||
}
|
||||
|
||||
/**
|
||||
* Transform a Vector by a matrix and return the result in a destination
|
||||
* vector.
|
||||
* @param left The left matrix
|
||||
* @param right The right vector
|
||||
* @param dest The destination vector, or null if a new one is to be created
|
||||
* @return the destination vector
|
||||
*/
|
||||
public static Vector4f transform(Matrix4f left, Vector4f right, Vector4f dest) {
|
||||
if (dest == null)
|
||||
dest = new Vector4f();
|
||||
|
||||
float x = left.m00 * right.x + left.m10 * right.y + left.m20 * right.z + left.m30 * right.w;
|
||||
float y = left.m01 * right.x + left.m11 * right.y + left.m21 * right.z + left.m31 * right.w;
|
||||
float z = left.m02 * right.x + left.m12 * right.y + left.m22 * right.z + left.m32 * right.w;
|
||||
float w = left.m03 * right.x + left.m13 * right.y + left.m23 * right.z + left.m33 * right.w;
|
||||
|
||||
dest.x = x;
|
||||
dest.y = y;
|
||||
dest.z = z;
|
||||
dest.w = w;
|
||||
|
||||
return dest;
|
||||
}
|
||||
|
||||
/**
|
||||
* Transpose this matrix
|
||||
* @return this
|
||||
*/
|
||||
public Matrix transpose() {
|
||||
return transpose(this);
|
||||
}
|
||||
|
||||
/**
|
||||
* Translate this matrix
|
||||
* @param vec The vector to translate by
|
||||
* @return this
|
||||
*/
|
||||
public Matrix4f translate(Vector2f vec) {
|
||||
return translate(vec, this);
|
||||
}
|
||||
|
||||
/**
|
||||
* Translate this matrix
|
||||
* @param vec The vector to translate by
|
||||
* @return this
|
||||
*/
|
||||
public Matrix4f translate(Vector3f vec) {
|
||||
return translate(vec, this);
|
||||
}
|
||||
|
||||
/**
|
||||
* Scales this matrix
|
||||
* @param vec The vector to scale by
|
||||
* @return this
|
||||
*/
|
||||
public Matrix4f scale(Vector3f vec) {
|
||||
return scale(vec, this, this);
|
||||
}
|
||||
|
||||
/**
|
||||
* Scales the source matrix and put the result in the destination matrix
|
||||
* @param vec The vector to scale by
|
||||
* @param src The source matrix
|
||||
* @param dest The destination matrix, or null if a new matrix is to be created
|
||||
* @return The scaled matrix
|
||||
*/
|
||||
public static Matrix4f scale(Vector3f vec, Matrix4f src, Matrix4f dest) {
|
||||
if (dest == null)
|
||||
dest = new Matrix4f();
|
||||
dest.m00 = src.m00 * vec.x;
|
||||
dest.m01 = src.m01 * vec.x;
|
||||
dest.m02 = src.m02 * vec.x;
|
||||
dest.m03 = src.m03 * vec.x;
|
||||
dest.m10 = src.m10 * vec.y;
|
||||
dest.m11 = src.m11 * vec.y;
|
||||
dest.m12 = src.m12 * vec.y;
|
||||
dest.m13 = src.m13 * vec.y;
|
||||
dest.m20 = src.m20 * vec.z;
|
||||
dest.m21 = src.m21 * vec.z;
|
||||
dest.m22 = src.m22 * vec.z;
|
||||
dest.m23 = src.m23 * vec.z;
|
||||
return dest;
|
||||
}
|
||||
|
||||
/**
|
||||
* Rotates the matrix around the given axis the specified angle
|
||||
* @param angle the angle, in radians.
|
||||
* @param axis The vector representing the rotation axis. Must be normalized.
|
||||
* @return this
|
||||
*/
|
||||
public Matrix4f rotate(float angle, Vector3f axis) {
|
||||
return rotate(angle, axis, this);
|
||||
}
|
||||
|
||||
/**
|
||||
* Rotates the matrix around the given axis the specified angle
|
||||
* @param angle the angle, in radians.
|
||||
* @param axis The vector representing the rotation axis. Must be normalized.
|
||||
* @param dest The matrix to put the result, or null if a new matrix is to be created
|
||||
* @return The rotated matrix
|
||||
*/
|
||||
public Matrix4f rotate(float angle, Vector3f axis, Matrix4f dest) {
|
||||
return rotate(angle, axis, this, dest);
|
||||
}
|
||||
|
||||
/**
|
||||
* Rotates the source matrix around the given axis the specified angle and
|
||||
* put the result in the destination matrix.
|
||||
* @param angle the angle, in radians.
|
||||
* @param axis The vector representing the rotation axis. Must be normalized.
|
||||
* @param src The matrix to rotate
|
||||
* @param dest The matrix to put the result, or null if a new matrix is to be created
|
||||
* @return The rotated matrix
|
||||
*/
|
||||
public static Matrix4f rotate(float angle, Vector3f axis, Matrix4f src, Matrix4f dest) {
|
||||
if (dest == null)
|
||||
dest = new Matrix4f();
|
||||
float c = (float) Math.cos(angle);
|
||||
float s = (float) Math.sin(angle);
|
||||
float oneminusc = 1.0f - c;
|
||||
float xy = axis.x*axis.y;
|
||||
float yz = axis.y*axis.z;
|
||||
float xz = axis.x*axis.z;
|
||||
float xs = axis.x*s;
|
||||
float ys = axis.y*s;
|
||||
float zs = axis.z*s;
|
||||
|
||||
float f00 = axis.x*axis.x*oneminusc+c;
|
||||
float f01 = xy*oneminusc+zs;
|
||||
float f02 = xz*oneminusc-ys;
|
||||
// n[3] not used
|
||||
float f10 = xy*oneminusc-zs;
|
||||
float f11 = axis.y*axis.y*oneminusc+c;
|
||||
float f12 = yz*oneminusc+xs;
|
||||
// n[7] not used
|
||||
float f20 = xz*oneminusc+ys;
|
||||
float f21 = yz*oneminusc-xs;
|
||||
float f22 = axis.z*axis.z*oneminusc+c;
|
||||
|
||||
float t00 = src.m00 * f00 + src.m10 * f01 + src.m20 * f02;
|
||||
float t01 = src.m01 * f00 + src.m11 * f01 + src.m21 * f02;
|
||||
float t02 = src.m02 * f00 + src.m12 * f01 + src.m22 * f02;
|
||||
float t03 = src.m03 * f00 + src.m13 * f01 + src.m23 * f02;
|
||||
float t10 = src.m00 * f10 + src.m10 * f11 + src.m20 * f12;
|
||||
float t11 = src.m01 * f10 + src.m11 * f11 + src.m21 * f12;
|
||||
float t12 = src.m02 * f10 + src.m12 * f11 + src.m22 * f12;
|
||||
float t13 = src.m03 * f10 + src.m13 * f11 + src.m23 * f12;
|
||||
dest.m20 = src.m00 * f20 + src.m10 * f21 + src.m20 * f22;
|
||||
dest.m21 = src.m01 * f20 + src.m11 * f21 + src.m21 * f22;
|
||||
dest.m22 = src.m02 * f20 + src.m12 * f21 + src.m22 * f22;
|
||||
dest.m23 = src.m03 * f20 + src.m13 * f21 + src.m23 * f22;
|
||||
dest.m00 = t00;
|
||||
dest.m01 = t01;
|
||||
dest.m02 = t02;
|
||||
dest.m03 = t03;
|
||||
dest.m10 = t10;
|
||||
dest.m11 = t11;
|
||||
dest.m12 = t12;
|
||||
dest.m13 = t13;
|
||||
return dest;
|
||||
}
|
||||
|
||||
/**
|
||||
* Translate this matrix and stash the result in another matrix
|
||||
* @param vec The vector to translate by
|
||||
* @param dest The destination matrix or null if a new matrix is to be created
|
||||
* @return the translated matrix
|
||||
*/
|
||||
public Matrix4f translate(Vector3f vec, Matrix4f dest) {
|
||||
return translate(vec, this, dest);
|
||||
}
|
||||
|
||||
/**
|
||||
* Translate the source matrix and stash the result in the destination matrix
|
||||
* @param vec The vector to translate by
|
||||
* @param src The source matrix
|
||||
* @param dest The destination matrix or null if a new matrix is to be created
|
||||
* @return The translated matrix
|
||||
*/
|
||||
public static Matrix4f translate(Vector3f vec, Matrix4f src, Matrix4f dest) {
|
||||
if (dest == null)
|
||||
dest = new Matrix4f();
|
||||
|
||||
dest.m30 += src.m00 * vec.x + src.m10 * vec.y + src.m20 * vec.z;
|
||||
dest.m31 += src.m01 * vec.x + src.m11 * vec.y + src.m21 * vec.z;
|
||||
dest.m32 += src.m02 * vec.x + src.m12 * vec.y + src.m22 * vec.z;
|
||||
dest.m33 += src.m03 * vec.x + src.m13 * vec.y + src.m23 * vec.z;
|
||||
|
||||
return dest;
|
||||
}
|
||||
|
||||
/**
|
||||
* Translate this matrix and stash the result in another matrix
|
||||
* @param vec The vector to translate by
|
||||
* @param dest The destination matrix or null if a new matrix is to be created
|
||||
* @return the translated matrix
|
||||
*/
|
||||
public Matrix4f translate(Vector2f vec, Matrix4f dest) {
|
||||
return translate(vec, this, dest);
|
||||
}
|
||||
|
||||
/**
|
||||
* Translate the source matrix and stash the result in the destination matrix
|
||||
* @param vec The vector to translate by
|
||||
* @param src The source matrix
|
||||
* @param dest The destination matrix or null if a new matrix is to be created
|
||||
* @return The translated matrix
|
||||
*/
|
||||
public static Matrix4f translate(Vector2f vec, Matrix4f src, Matrix4f dest) {
|
||||
if (dest == null)
|
||||
dest = new Matrix4f();
|
||||
|
||||
dest.m30 += src.m00 * vec.x + src.m10 * vec.y;
|
||||
dest.m31 += src.m01 * vec.x + src.m11 * vec.y;
|
||||
dest.m32 += src.m02 * vec.x + src.m12 * vec.y;
|
||||
dest.m33 += src.m03 * vec.x + src.m13 * vec.y;
|
||||
|
||||
return dest;
|
||||
}
|
||||
|
||||
/**
|
||||
* Transpose this matrix and place the result in another matrix
|
||||
* @param dest The destination matrix or null if a new matrix is to be created
|
||||
* @return the transposed matrix
|
||||
*/
|
||||
public Matrix4f transpose(Matrix4f dest) {
|
||||
return transpose(this, dest);
|
||||
}
|
||||
|
||||
/**
|
||||
* Transpose the source matrix and place the result in the destination matrix
|
||||
* @param src The source matrix
|
||||
* @param dest The destination matrix or null if a new matrix is to be created
|
||||
* @return the transposed matrix
|
||||
*/
|
||||
public static Matrix4f transpose(Matrix4f src, Matrix4f dest) {
|
||||
if (dest == null)
|
||||
dest = new Matrix4f();
|
||||
float m00 = src.m00;
|
||||
float m01 = src.m10;
|
||||
float m02 = src.m20;
|
||||
float m03 = src.m30;
|
||||
float m10 = src.m01;
|
||||
float m11 = src.m11;
|
||||
float m12 = src.m21;
|
||||
float m13 = src.m31;
|
||||
float m20 = src.m02;
|
||||
float m21 = src.m12;
|
||||
float m22 = src.m22;
|
||||
float m23 = src.m32;
|
||||
float m30 = src.m03;
|
||||
float m31 = src.m13;
|
||||
float m32 = src.m23;
|
||||
float m33 = src.m33;
|
||||
|
||||
dest.m00 = m00;
|
||||
dest.m01 = m01;
|
||||
dest.m02 = m02;
|
||||
dest.m03 = m03;
|
||||
dest.m10 = m10;
|
||||
dest.m11 = m11;
|
||||
dest.m12 = m12;
|
||||
dest.m13 = m13;
|
||||
dest.m20 = m20;
|
||||
dest.m21 = m21;
|
||||
dest.m22 = m22;
|
||||
dest.m23 = m23;
|
||||
dest.m30 = m30;
|
||||
dest.m31 = m31;
|
||||
dest.m32 = m32;
|
||||
dest.m33 = m33;
|
||||
|
||||
return dest;
|
||||
}
|
||||
|
||||
/**
|
||||
* @return the determinant of the matrix
|
||||
*/
|
||||
public float determinant() {
|
||||
float f =
|
||||
m00
|
||||
* ((m11 * m22 * m33 + m12 * m23 * m31 + m13 * m21 * m32)
|
||||
- m13 * m22 * m31
|
||||
- m11 * m23 * m32
|
||||
- m12 * m21 * m33);
|
||||
f -= m01
|
||||
* ((m10 * m22 * m33 + m12 * m23 * m30 + m13 * m20 * m32)
|
||||
- m13 * m22 * m30
|
||||
- m10 * m23 * m32
|
||||
- m12 * m20 * m33);
|
||||
f += m02
|
||||
* ((m10 * m21 * m33 + m11 * m23 * m30 + m13 * m20 * m31)
|
||||
- m13 * m21 * m30
|
||||
- m10 * m23 * m31
|
||||
- m11 * m20 * m33);
|
||||
f -= m03
|
||||
* ((m10 * m21 * m32 + m11 * m22 * m30 + m12 * m20 * m31)
|
||||
- m12 * m21 * m30
|
||||
- m10 * m22 * m31
|
||||
- m11 * m20 * m32);
|
||||
return f;
|
||||
}
|
||||
|
||||
/**
|
||||
* Calculate the determinant of a 3x3 matrix
|
||||
* @return result
|
||||
*/
|
||||
|
||||
private static float determinant3x3(float t00, float t01, float t02,
|
||||
float t10, float t11, float t12,
|
||||
float t20, float t21, float t22)
|
||||
{
|
||||
return t00 * (t11 * t22 - t12 * t21)
|
||||
+ t01 * (t12 * t20 - t10 * t22)
|
||||
+ t02 * (t10 * t21 - t11 * t20);
|
||||
}
|
||||
|
||||
/**
|
||||
* Invert this matrix
|
||||
* @return this if successful, null otherwise
|
||||
*/
|
||||
public Matrix invert() {
|
||||
return invert(this, this);
|
||||
}
|
||||
|
||||
/**
|
||||
* Invert the source matrix and put the result in the destination
|
||||
* @param src The source matrix
|
||||
* @param dest The destination matrix, or null if a new matrix is to be created
|
||||
* @return The inverted matrix if successful, null otherwise
|
||||
*/
|
||||
public static Matrix4f invert(Matrix4f src, Matrix4f dest) {
|
||||
float determinant = src.determinant();
|
||||
|
||||
if (determinant != 0) {
|
||||
/*
|
||||
* m00 m01 m02 m03
|
||||
* m10 m11 m12 m13
|
||||
* m20 m21 m22 m23
|
||||
* m30 m31 m32 m33
|
||||
*/
|
||||
if (dest == null)
|
||||
dest = new Matrix4f();
|
||||
float determinant_inv = 1f/determinant;
|
||||
|
||||
// first row
|
||||
float t00 = determinant3x3(src.m11, src.m12, src.m13, src.m21, src.m22, src.m23, src.m31, src.m32, src.m33);
|
||||
float t01 = -determinant3x3(src.m10, src.m12, src.m13, src.m20, src.m22, src.m23, src.m30, src.m32, src.m33);
|
||||
float t02 = determinant3x3(src.m10, src.m11, src.m13, src.m20, src.m21, src.m23, src.m30, src.m31, src.m33);
|
||||
float t03 = -determinant3x3(src.m10, src.m11, src.m12, src.m20, src.m21, src.m22, src.m30, src.m31, src.m32);
|
||||
// second row
|
||||
float t10 = -determinant3x3(src.m01, src.m02, src.m03, src.m21, src.m22, src.m23, src.m31, src.m32, src.m33);
|
||||
float t11 = determinant3x3(src.m00, src.m02, src.m03, src.m20, src.m22, src.m23, src.m30, src.m32, src.m33);
|
||||
float t12 = -determinant3x3(src.m00, src.m01, src.m03, src.m20, src.m21, src.m23, src.m30, src.m31, src.m33);
|
||||
float t13 = determinant3x3(src.m00, src.m01, src.m02, src.m20, src.m21, src.m22, src.m30, src.m31, src.m32);
|
||||
// third row
|
||||
float t20 = determinant3x3(src.m01, src.m02, src.m03, src.m11, src.m12, src.m13, src.m31, src.m32, src.m33);
|
||||
float t21 = -determinant3x3(src.m00, src.m02, src.m03, src.m10, src.m12, src.m13, src.m30, src.m32, src.m33);
|
||||
float t22 = determinant3x3(src.m00, src.m01, src.m03, src.m10, src.m11, src.m13, src.m30, src.m31, src.m33);
|
||||
float t23 = -determinant3x3(src.m00, src.m01, src.m02, src.m10, src.m11, src.m12, src.m30, src.m31, src.m32);
|
||||
// fourth row
|
||||
float t30 = -determinant3x3(src.m01, src.m02, src.m03, src.m11, src.m12, src.m13, src.m21, src.m22, src.m23);
|
||||
float t31 = determinant3x3(src.m00, src.m02, src.m03, src.m10, src.m12, src.m13, src.m20, src.m22, src.m23);
|
||||
float t32 = -determinant3x3(src.m00, src.m01, src.m03, src.m10, src.m11, src.m13, src.m20, src.m21, src.m23);
|
||||
float t33 = determinant3x3(src.m00, src.m01, src.m02, src.m10, src.m11, src.m12, src.m20, src.m21, src.m22);
|
||||
|
||||
// transpose and divide by the determinant
|
||||
dest.m00 = t00*determinant_inv;
|
||||
dest.m11 = t11*determinant_inv;
|
||||
dest.m22 = t22*determinant_inv;
|
||||
dest.m33 = t33*determinant_inv;
|
||||
dest.m01 = t10*determinant_inv;
|
||||
dest.m10 = t01*determinant_inv;
|
||||
dest.m20 = t02*determinant_inv;
|
||||
dest.m02 = t20*determinant_inv;
|
||||
dest.m12 = t21*determinant_inv;
|
||||
dest.m21 = t12*determinant_inv;
|
||||
dest.m03 = t30*determinant_inv;
|
||||
dest.m30 = t03*determinant_inv;
|
||||
dest.m13 = t31*determinant_inv;
|
||||
dest.m31 = t13*determinant_inv;
|
||||
dest.m32 = t23*determinant_inv;
|
||||
dest.m23 = t32*determinant_inv;
|
||||
return dest;
|
||||
} else
|
||||
return null;
|
||||
}
|
||||
|
||||
/**
|
||||
* Negate this matrix
|
||||
* @return this
|
||||
*/
|
||||
public Matrix negate() {
|
||||
return negate(this);
|
||||
}
|
||||
|
||||
/**
|
||||
* Negate this matrix and place the result in a destination matrix.
|
||||
* @param dest The destination matrix, or null if a new matrix is to be created
|
||||
* @return the negated matrix
|
||||
*/
|
||||
public Matrix4f negate(Matrix4f dest) {
|
||||
return negate(this, dest);
|
||||
}
|
||||
|
||||
/**
|
||||
* Negate this matrix and place the result in a destination matrix.
|
||||
* @param src The source matrix
|
||||
* @param dest The destination matrix, or null if a new matrix is to be created
|
||||
* @return The negated matrix
|
||||
*/
|
||||
public static Matrix4f negate(Matrix4f src, Matrix4f dest) {
|
||||
if (dest == null)
|
||||
dest = new Matrix4f();
|
||||
|
||||
dest.m00 = -src.m00;
|
||||
dest.m01 = -src.m01;
|
||||
dest.m02 = -src.m02;
|
||||
dest.m03 = -src.m03;
|
||||
dest.m10 = -src.m10;
|
||||
dest.m11 = -src.m11;
|
||||
dest.m12 = -src.m12;
|
||||
dest.m13 = -src.m13;
|
||||
dest.m20 = -src.m20;
|
||||
dest.m21 = -src.m21;
|
||||
dest.m22 = -src.m22;
|
||||
dest.m23 = -src.m23;
|
||||
dest.m30 = -src.m30;
|
||||
dest.m31 = -src.m31;
|
||||
dest.m32 = -src.m32;
|
||||
dest.m33 = -src.m33;
|
||||
|
||||
return dest;
|
||||
}
|
||||
}
|
@ -1,20 +0,0 @@
|
||||
package utils.vectors;
|
||||
|
||||
import java.nio.FloatBuffer;
|
||||
|
||||
public interface ReadableVector {
|
||||
/**
|
||||
* @return the length of the vector
|
||||
*/
|
||||
float length();
|
||||
/**
|
||||
* @return the length squared of the vector
|
||||
*/
|
||||
float lengthSquared();
|
||||
/**
|
||||
* Store this vector in a FloatBuffer
|
||||
* @param buf The buffer to store it in, at the current position
|
||||
* @return this
|
||||
*/
|
||||
Vector store(FloatBuffer buf);
|
||||
}
|
@ -1,12 +0,0 @@
|
||||
package utils.vectors;
|
||||
|
||||
public interface ReadableVector2f {
|
||||
/**
|
||||
* @return x
|
||||
*/
|
||||
float getX();
|
||||
/**
|
||||
* @return y
|
||||
*/
|
||||
float getY();
|
||||
}
|
@ -1,8 +0,0 @@
|
||||
package utils.vectors;
|
||||
|
||||
public interface ReadableVector3f extends ReadableVector2f {
|
||||
/**
|
||||
* @return z
|
||||
*/
|
||||
float getZ();
|
||||
}
|
@ -1,10 +0,0 @@
|
||||
package utils.vectors;
|
||||
|
||||
public interface ReadableVector4f extends ReadableVector3f {
|
||||
|
||||
/**
|
||||
* @return w
|
||||
*/
|
||||
float getW();
|
||||
|
||||
}
|
@ -1,82 +0,0 @@
|
||||
package utils.vectors;
|
||||
|
||||
|
||||
import java.io.Serializable;
|
||||
import java.nio.FloatBuffer;
|
||||
|
||||
/**
|
||||
*
|
||||
* Base class for vectors.
|
||||
*
|
||||
* @author cix_foo <cix_foo@users.sourceforge.net>
|
||||
* @version $Revision$
|
||||
* $Id$
|
||||
*/
|
||||
public abstract class Vector implements Serializable, ReadableVector {
|
||||
|
||||
/**
|
||||
* Constructor for Vector.
|
||||
*/
|
||||
protected Vector() {
|
||||
super();
|
||||
}
|
||||
|
||||
/**
|
||||
* @return the length of the vector
|
||||
*/
|
||||
public final float length() {
|
||||
return (float) Math.sqrt(lengthSquared());
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* @return the length squared of the vector
|
||||
*/
|
||||
public abstract float lengthSquared();
|
||||
|
||||
/**
|
||||
* Load this vector from a FloatBuffer
|
||||
* @param buf The buffer to load it from, at the current position
|
||||
* @return this
|
||||
*/
|
||||
public abstract Vector load(FloatBuffer buf);
|
||||
|
||||
/**
|
||||
* Negate a vector
|
||||
* @return this
|
||||
*/
|
||||
public abstract Vector negate();
|
||||
|
||||
|
||||
/**
|
||||
* Normalise this vector
|
||||
* @return this
|
||||
*/
|
||||
public final Vector normalise() {
|
||||
float len = length();
|
||||
if (len != 0.0f) {
|
||||
float l = 1.0f / len;
|
||||
return scale(l);
|
||||
} else
|
||||
throw new IllegalStateException("Zero length vector");
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Store this vector in a FloatBuffer
|
||||
* @param buf The buffer to store it in, at the current position
|
||||
* @return this
|
||||
*/
|
||||
public abstract Vector store(FloatBuffer buf);
|
||||
|
||||
|
||||
/**
|
||||
* Scale this vector
|
||||
* @param scale The scale factor
|
||||
* @return this
|
||||
*/
|
||||
public abstract Vector scale(float scale);
|
||||
|
||||
|
||||
|
||||
}
|
@ -1,269 +0,0 @@
|
||||
package utils.vectors;
|
||||
import java.io.Serializable;
|
||||
import java.nio.FloatBuffer;
|
||||
|
||||
/**
|
||||
*
|
||||
* Holds a 2-tuple vector.
|
||||
*
|
||||
* @author cix_foo <cix_foo@users.sourceforge.net>
|
||||
* @version $Revision$
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
public class Vector2f extends Vector implements Serializable, ReadableVector2f, WriteableVector2f {
|
||||
|
||||
private static final long serialVersionUID = 1L;
|
||||
|
||||
public float x, y;
|
||||
|
||||
/**
|
||||
* Constructor for Vector2f.
|
||||
*/
|
||||
public Vector2f() {
|
||||
super();
|
||||
}
|
||||
|
||||
/**
|
||||
* Constructor.
|
||||
*/
|
||||
public Vector2f(ReadableVector2f src) {
|
||||
set(src);
|
||||
}
|
||||
|
||||
/**
|
||||
* Constructor.
|
||||
*/
|
||||
public Vector2f(float x, float y) {
|
||||
set(x, y);
|
||||
}
|
||||
|
||||
/* (non-Javadoc)
|
||||
* @see org.lwjgl.util.vector.WritableVector2f#set(float, float)
|
||||
*/
|
||||
public void set(float x, float y) {
|
||||
this.x = x;
|
||||
this.y = y;
|
||||
}
|
||||
|
||||
/**
|
||||
* Load from another Vector2f
|
||||
* @param src The source vector
|
||||
* @return this
|
||||
*/
|
||||
public Vector2f set(ReadableVector2f src) {
|
||||
x = src.getX();
|
||||
y = src.getY();
|
||||
return this;
|
||||
}
|
||||
|
||||
/**
|
||||
* @return the length squared of the vector
|
||||
*/
|
||||
public float lengthSquared() {
|
||||
return x * x + y * y;
|
||||
}
|
||||
|
||||
/**
|
||||
* Translate a vector
|
||||
* @param x The translation in x
|
||||
* @param y the translation in y
|
||||
* @return this
|
||||
*/
|
||||
public Vector2f translate(float x, float y) {
|
||||
this.x += x;
|
||||
this.y += y;
|
||||
return this;
|
||||
}
|
||||
|
||||
/**
|
||||
* Negate a vector
|
||||
* @return this
|
||||
*/
|
||||
public Vector negate() {
|
||||
x = -x;
|
||||
y = -y;
|
||||
return this;
|
||||
}
|
||||
|
||||
/**
|
||||
* Negate a vector and place the result in a destination vector.
|
||||
* @param dest The destination vector or null if a new vector is to be created
|
||||
* @return the negated vector
|
||||
*/
|
||||
public Vector2f negate(Vector2f dest) {
|
||||
if (dest == null)
|
||||
dest = new Vector2f();
|
||||
dest.x = -x;
|
||||
dest.y = -y;
|
||||
return dest;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Normalise this vector and place the result in another vector.
|
||||
* @param dest The destination vector, or null if a new vector is to be created
|
||||
* @return the normalised vector
|
||||
*/
|
||||
public Vector2f normalise(Vector2f dest) {
|
||||
float l = length();
|
||||
|
||||
if (dest == null)
|
||||
dest = new Vector2f(x / l, y / l);
|
||||
else
|
||||
dest.set(x / l, y / l);
|
||||
|
||||
return dest;
|
||||
}
|
||||
|
||||
/**
|
||||
* The dot product of two vectors is calculated as
|
||||
* v1.x * v2.x + v1.y * v2.y + v1.z * v2.z
|
||||
* @param left The LHS vector
|
||||
* @param right The RHS vector
|
||||
* @return left dot right
|
||||
*/
|
||||
public static float dot(Vector2f left, Vector2f right) {
|
||||
return left.x * right.x + left.y * right.y;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* Calculate the angle between two vectors, in radians
|
||||
* @param a A vector
|
||||
* @param b The other vector
|
||||
* @return the angle between the two vectors, in radians
|
||||
*/
|
||||
public static float angle(Vector2f a, Vector2f b) {
|
||||
float dls = dot(a, b) / (a.length() * b.length());
|
||||
if (dls < -1f)
|
||||
dls = -1f;
|
||||
else if (dls > 1.0f)
|
||||
dls = 1.0f;
|
||||
return (float)Math.acos(dls);
|
||||
}
|
||||
|
||||
/**
|
||||
* Add a vector to another vector and place the result in a destination
|
||||
* vector.
|
||||
* @param left The LHS vector
|
||||
* @param right The RHS vector
|
||||
* @param dest The destination vector, or null if a new vector is to be created
|
||||
* @return the sum of left and right in dest
|
||||
*/
|
||||
public static Vector2f add(Vector2f left, Vector2f right, Vector2f dest) {
|
||||
if (dest == null)
|
||||
return new Vector2f(left.x + right.x, left.y + right.y);
|
||||
else {
|
||||
dest.set(left.x + right.x, left.y + right.y);
|
||||
return dest;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Subtract a vector from another vector and place the result in a destination
|
||||
* vector.
|
||||
* @param left The LHS vector
|
||||
* @param right The RHS vector
|
||||
* @param dest The destination vector, or null if a new vector is to be created
|
||||
* @return left minus right in dest
|
||||
*/
|
||||
public static Vector2f sub(Vector2f left, Vector2f right, Vector2f dest) {
|
||||
if (dest == null)
|
||||
return new Vector2f(left.x - right.x, left.y - right.y);
|
||||
else {
|
||||
dest.set(left.x - right.x, left.y - right.y);
|
||||
return dest;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Store this vector in a FloatBuffer
|
||||
* @param buf The buffer to store it in, at the current position
|
||||
* @return this
|
||||
*/
|
||||
public Vector store(FloatBuffer buf) {
|
||||
buf.put(x);
|
||||
buf.put(y);
|
||||
return this;
|
||||
}
|
||||
|
||||
/**
|
||||
* Load this vector from a FloatBuffer
|
||||
* @param buf The buffer to load it from, at the current position
|
||||
* @return this
|
||||
*/
|
||||
public Vector load(FloatBuffer buf) {
|
||||
x = buf.get();
|
||||
y = buf.get();
|
||||
return this;
|
||||
}
|
||||
|
||||
/* (non-Javadoc)
|
||||
* @see org.lwjgl.vector.Vector#scale(float)
|
||||
*/
|
||||
public Vector scale(float scale) {
|
||||
|
||||
x *= scale;
|
||||
y *= scale;
|
||||
|
||||
return this;
|
||||
}
|
||||
|
||||
/* (non-Javadoc)
|
||||
* @see java.lang.Object#toString()
|
||||
*/
|
||||
public String toString() {
|
||||
StringBuilder sb = new StringBuilder(64);
|
||||
|
||||
sb.append("Vector2f[");
|
||||
sb.append(x);
|
||||
sb.append(", ");
|
||||
sb.append(y);
|
||||
sb.append(']');
|
||||
return sb.toString();
|
||||
}
|
||||
|
||||
/**
|
||||
* @return x
|
||||
*/
|
||||
public final float getX() {
|
||||
return x;
|
||||
}
|
||||
|
||||
/**
|
||||
* @return y
|
||||
*/
|
||||
public final float getY() {
|
||||
return y;
|
||||
}
|
||||
|
||||
/**
|
||||
* Set X
|
||||
* @param x
|
||||
*/
|
||||
public final void setX(float x) {
|
||||
this.x = x;
|
||||
}
|
||||
|
||||
/**
|
||||
* Set Y
|
||||
* @param y
|
||||
*/
|
||||
public final void setY(float y) {
|
||||
this.y = y;
|
||||
}
|
||||
|
||||
public boolean equals(Object obj) {
|
||||
if (this == obj) return true;
|
||||
if (obj == null) return false;
|
||||
if (getClass() != obj.getClass()) return false;
|
||||
Vector2f other = (Vector2f)obj;
|
||||
|
||||
if (x == other.x && y == other.y) return true;
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
}
|
@ -1,328 +0,0 @@
|
||||
package utils.vectors;
|
||||
|
||||
import java.io.Serializable;
|
||||
import java.nio.FloatBuffer;
|
||||
|
||||
|
||||
/**
|
||||
*
|
||||
* Holds a 3-tuple vector.
|
||||
*
|
||||
* @author cix_foo <cix_foo@users.sourceforge.net>
|
||||
* @version $Revision$
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
public class Vector3f extends Vector implements Serializable, ReadableVector3f, WriteableVector3f {
|
||||
|
||||
private static final long serialVersionUID = 1L;
|
||||
|
||||
public float x, y, z;
|
||||
|
||||
/**
|
||||
* Constructor for Vector3f.
|
||||
*/
|
||||
public Vector3f() {
|
||||
super();
|
||||
}
|
||||
|
||||
/**
|
||||
* Constructor
|
||||
*/
|
||||
public Vector3f(ReadableVector3f src) {
|
||||
set(src);
|
||||
}
|
||||
|
||||
/**
|
||||
* Constructor
|
||||
*/
|
||||
public Vector3f(float x, float y, float z) {
|
||||
set(x, y, z);
|
||||
}
|
||||
|
||||
/* (non-Javadoc)
|
||||
* @see org.lwjgl.util.vector.WritableVector2f#set(float, float)
|
||||
*/
|
||||
public void set(float x, float y) {
|
||||
this.x = x;
|
||||
this.y = y;
|
||||
}
|
||||
|
||||
/* (non-Javadoc)
|
||||
* @see org.lwjgl.util.vector.WritableVector3f#set(float, float, float)
|
||||
*/
|
||||
public void set(float x, float y, float z) {
|
||||
this.x = x;
|
||||
this.y = y;
|
||||
this.z = z;
|
||||
}
|
||||
|
||||
/**
|
||||
* Load from another Vector3f
|
||||
* @param src The source vector
|
||||
* @return this
|
||||
*/
|
||||
public Vector3f set(ReadableVector3f src) {
|
||||
x = src.getX();
|
||||
y = src.getY();
|
||||
z = src.getZ();
|
||||
return this;
|
||||
}
|
||||
|
||||
/**
|
||||
* @return the length squared of the vector
|
||||
*/
|
||||
public float lengthSquared() {
|
||||
return x * x + y * y + z * z;
|
||||
}
|
||||
|
||||
/**
|
||||
* Translate a vector
|
||||
* @param x The translation in x
|
||||
* @param y the translation in y
|
||||
* @return this
|
||||
*/
|
||||
public Vector3f translate(float x, float y, float z) {
|
||||
this.x += x;
|
||||
this.y += y;
|
||||
this.z += z;
|
||||
return this;
|
||||
}
|
||||
|
||||
/**
|
||||
* Add a vector to another vector and place the result in a destination
|
||||
* vector.
|
||||
* @param left The LHS vector
|
||||
* @param right The RHS vector
|
||||
* @param dest The destination vector, or null if a new vector is to be created
|
||||
* @return the sum of left and right in dest
|
||||
*/
|
||||
public static Vector3f add(Vector3f left, Vector3f right, Vector3f dest) {
|
||||
if (dest == null)
|
||||
return new Vector3f(left.x + right.x, left.y + right.y, left.z + right.z);
|
||||
else {
|
||||
dest.set(left.x + right.x, left.y + right.y, left.z + right.z);
|
||||
return dest;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Subtract a vector from another vector and place the result in a destination
|
||||
* vector.
|
||||
* @param left The LHS vector
|
||||
* @param right The RHS vector
|
||||
* @param dest The destination vector, or null if a new vector is to be created
|
||||
* @return left minus right in dest
|
||||
*/
|
||||
public static Vector3f sub(Vector3f left, Vector3f right, Vector3f dest) {
|
||||
if (dest == null)
|
||||
return new Vector3f(left.x - right.x, left.y - right.y, left.z - right.z);
|
||||
else {
|
||||
dest.set(left.x - right.x, left.y - right.y, left.z - right.z);
|
||||
return dest;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* The cross product of two vectors.
|
||||
*
|
||||
* @param left The LHS vector
|
||||
* @param right The RHS vector
|
||||
* @param dest The destination result, or null if a new vector is to be created
|
||||
* @return left cross right
|
||||
*/
|
||||
public static Vector3f cross(
|
||||
Vector3f left,
|
||||
Vector3f right,
|
||||
Vector3f dest)
|
||||
{
|
||||
|
||||
if (dest == null)
|
||||
dest = new Vector3f();
|
||||
|
||||
dest.set(
|
||||
left.y * right.z - left.z * right.y,
|
||||
right.x * left.z - right.z * left.x,
|
||||
left.x * right.y - left.y * right.x
|
||||
);
|
||||
|
||||
return dest;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* Negate a vector
|
||||
* @return this
|
||||
*/
|
||||
public Vector negate() {
|
||||
x = -x;
|
||||
y = -y;
|
||||
z = -z;
|
||||
return this;
|
||||
}
|
||||
|
||||
/**
|
||||
* Negate a vector and place the result in a destination vector.
|
||||
* @param dest The destination vector or null if a new vector is to be created
|
||||
* @return the negated vector
|
||||
*/
|
||||
public Vector3f negate(Vector3f dest) {
|
||||
if (dest == null)
|
||||
dest = new Vector3f();
|
||||
dest.x = -x;
|
||||
dest.y = -y;
|
||||
dest.z = -z;
|
||||
return dest;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Normalise this vector and place the result in another vector.
|
||||
* @param dest The destination vector, or null if a new vector is to be created
|
||||
* @return the normalised vector
|
||||
*/
|
||||
public Vector3f normalise(Vector3f dest) {
|
||||
float l = length();
|
||||
|
||||
if (dest == null)
|
||||
dest = new Vector3f(x / l, y / l, z / l);
|
||||
else
|
||||
dest.set(x / l, y / l, z / l);
|
||||
|
||||
return dest;
|
||||
}
|
||||
|
||||
/**
|
||||
* The dot product of two vectors is calculated as
|
||||
* v1.x * v2.x + v1.y * v2.y + v1.z * v2.z
|
||||
* @param left The LHS vector
|
||||
* @param right The RHS vector
|
||||
* @return left dot right
|
||||
*/
|
||||
public static float dot(Vector3f left, Vector3f right) {
|
||||
return left.x * right.x + left.y * right.y + left.z * right.z;
|
||||
}
|
||||
|
||||
/**
|
||||
* Calculate the angle between two vectors, in radians
|
||||
* @param a A vector
|
||||
* @param b The other vector
|
||||
* @return the angle between the two vectors, in radians
|
||||
*/
|
||||
public static float angle(Vector3f a, Vector3f b) {
|
||||
float dls = dot(a, b) / (a.length() * b.length());
|
||||
if (dls < -1f)
|
||||
dls = -1f;
|
||||
else if (dls > 1.0f)
|
||||
dls = 1.0f;
|
||||
return (float)Math.acos(dls);
|
||||
}
|
||||
|
||||
/* (non-Javadoc)
|
||||
* @see org.lwjgl.vector.Vector#load(FloatBuffer)
|
||||
*/
|
||||
public Vector load(FloatBuffer buf) {
|
||||
x = buf.get();
|
||||
y = buf.get();
|
||||
z = buf.get();
|
||||
return this;
|
||||
}
|
||||
|
||||
/* (non-Javadoc)
|
||||
* @see org.lwjgl.vector.Vector#scale(float)
|
||||
*/
|
||||
public Vector scale(float scale) {
|
||||
|
||||
x *= scale;
|
||||
y *= scale;
|
||||
z *= scale;
|
||||
|
||||
return this;
|
||||
|
||||
}
|
||||
|
||||
/* (non-Javadoc)
|
||||
* @see org.lwjgl.vector.Vector#store(FloatBuffer)
|
||||
*/
|
||||
public Vector store(FloatBuffer buf) {
|
||||
|
||||
buf.put(x);
|
||||
buf.put(y);
|
||||
buf.put(z);
|
||||
|
||||
return this;
|
||||
}
|
||||
|
||||
/* (non-Javadoc)
|
||||
* @see java.lang.Object#toString()
|
||||
*/
|
||||
public String toString() {
|
||||
StringBuilder sb = new StringBuilder(64);
|
||||
|
||||
sb.append("Vector3f[");
|
||||
sb.append(x);
|
||||
sb.append(", ");
|
||||
sb.append(y);
|
||||
sb.append(", ");
|
||||
sb.append(z);
|
||||
sb.append(']');
|
||||
return sb.toString();
|
||||
}
|
||||
|
||||
/**
|
||||
* @return x
|
||||
*/
|
||||
public final float getX() {
|
||||
return x;
|
||||
}
|
||||
|
||||
/**
|
||||
* @return y
|
||||
*/
|
||||
public final float getY() {
|
||||
return y;
|
||||
}
|
||||
|
||||
/**
|
||||
* Set X
|
||||
* @param x
|
||||
*/
|
||||
public final void setX(float x) {
|
||||
this.x = x;
|
||||
}
|
||||
|
||||
/**
|
||||
* Set Y
|
||||
* @param y
|
||||
*/
|
||||
public final void setY(float y) {
|
||||
this.y = y;
|
||||
}
|
||||
|
||||
/**
|
||||
* Set Z
|
||||
* @param z
|
||||
*/
|
||||
public void setZ(float z) {
|
||||
this.z = z;
|
||||
}
|
||||
|
||||
/* (Overrides)
|
||||
* @see org.lwjgl.vector.ReadableVector3f#getZ()
|
||||
*/
|
||||
public float getZ() {
|
||||
return z;
|
||||
}
|
||||
|
||||
public boolean equals(Object obj) {
|
||||
if (this == obj) return true;
|
||||
if (obj == null) return false;
|
||||
if (getClass() != obj.getClass()) return false;
|
||||
Vector3f other = (Vector3f)obj;
|
||||
|
||||
if (x == other.x && y == other.y && z == other.z) return true;
|
||||
|
||||
return false;
|
||||
}
|
||||
}
|
@ -1,320 +0,0 @@
|
||||
package utils.vectors;
|
||||
|
||||
|
||||
|
||||
import java.io.Serializable;
|
||||
import java.nio.FloatBuffer;
|
||||
|
||||
/**
|
||||
*
|
||||
* Holds a 4-tuple vector.
|
||||
*
|
||||
* @author cix_foo <cix_foo@users.sourceforge.net>
|
||||
* @version $Revision$
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
public class Vector4f extends Vector implements Serializable, ReadableVector4f, WriteableVector4f {
|
||||
|
||||
private static final long serialVersionUID = 1L;
|
||||
|
||||
public float x, y, z, w;
|
||||
|
||||
/**
|
||||
* Constructor for Vector4f.
|
||||
*/
|
||||
public Vector4f() {
|
||||
super();
|
||||
}
|
||||
|
||||
/**
|
||||
* Constructor
|
||||
*/
|
||||
public Vector4f(ReadableVector4f src) {
|
||||
set(src);
|
||||
}
|
||||
|
||||
/**
|
||||
* Constructor
|
||||
*/
|
||||
public Vector4f(float x, float y, float z, float w) {
|
||||
set(x, y, z, w);
|
||||
}
|
||||
|
||||
/* (non-Javadoc)
|
||||
* @see org.lwjgl.util.vector.WritableVector2f#set(float, float)
|
||||
*/
|
||||
public void set(float x, float y) {
|
||||
this.x = x;
|
||||
this.y = y;
|
||||
}
|
||||
|
||||
/* (non-Javadoc)
|
||||
* @see org.lwjgl.util.vector.WritableVector3f#set(float, float, float)
|
||||
*/
|
||||
public void set(float x, float y, float z) {
|
||||
this.x = x;
|
||||
this.y = y;
|
||||
this.z = z;
|
||||
}
|
||||
|
||||
/* (non-Javadoc)
|
||||
* @see org.lwjgl.util.vector.WritableVector4f#set(float, float, float, float)
|
||||
*/
|
||||
public void set(float x, float y, float z, float w) {
|
||||
this.x = x;
|
||||
this.y = y;
|
||||
this.z = z;
|
||||
this.w = w;
|
||||
}
|
||||
|
||||
/**
|
||||
* Load from another Vector4f
|
||||
* @param src The source vector
|
||||
* @return this
|
||||
*/
|
||||
public Vector4f set(ReadableVector4f src) {
|
||||
x = src.getX();
|
||||
y = src.getY();
|
||||
z = src.getZ();
|
||||
w = src.getW();
|
||||
return this;
|
||||
}
|
||||
|
||||
/**
|
||||
* @return the length squared of the vector
|
||||
*/
|
||||
public float lengthSquared() {
|
||||
return x * x + y * y + z * z + w * w;
|
||||
}
|
||||
|
||||
/**
|
||||
* Translate a vector
|
||||
* @param x The translation in x
|
||||
* @param y the translation in y
|
||||
* @return this
|
||||
*/
|
||||
public Vector4f translate(float x, float y, float z, float w) {
|
||||
this.x += x;
|
||||
this.y += y;
|
||||
this.z += z;
|
||||
this.w += w;
|
||||
return this;
|
||||
}
|
||||
|
||||
/**
|
||||
* Add a vector to another vector and place the result in a destination
|
||||
* vector.
|
||||
* @param left The LHS vector
|
||||
* @param right The RHS vector
|
||||
* @param dest The destination vector, or null if a new vector is to be created
|
||||
* @return the sum of left and right in dest
|
||||
*/
|
||||
public static Vector4f add(Vector4f left, Vector4f right, Vector4f dest) {
|
||||
if (dest == null)
|
||||
return new Vector4f(left.x + right.x, left.y + right.y, left.z + right.z, left.w + right.w);
|
||||
else {
|
||||
dest.set(left.x + right.x, left.y + right.y, left.z + right.z, left.w + right.w);
|
||||
return dest;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Subtract a vector from another vector and place the result in a destination
|
||||
* vector.
|
||||
* @param left The LHS vector
|
||||
* @param right The RHS vector
|
||||
* @param dest The destination vector, or null if a new vector is to be created
|
||||
* @return left minus right in dest
|
||||
*/
|
||||
public static Vector4f sub(Vector4f left, Vector4f right, Vector4f dest) {
|
||||
if (dest == null)
|
||||
return new Vector4f(left.x - right.x, left.y - right.y, left.z - right.z, left.w - right.w);
|
||||
else {
|
||||
dest.set(left.x - right.x, left.y - right.y, left.z - right.z, left.w - right.w);
|
||||
return dest;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Negate a vector
|
||||
* @return this
|
||||
*/
|
||||
public Vector negate() {
|
||||
x = -x;
|
||||
y = -y;
|
||||
z = -z;
|
||||
w = -w;
|
||||
return this;
|
||||
}
|
||||
|
||||
/**
|
||||
* Negate a vector and place the result in a destination vector.
|
||||
* @param dest The destination vector or null if a new vector is to be created
|
||||
* @return the negated vector
|
||||
*/
|
||||
public Vector4f negate(Vector4f dest) {
|
||||
if (dest == null)
|
||||
dest = new Vector4f();
|
||||
dest.x = -x;
|
||||
dest.y = -y;
|
||||
dest.z = -z;
|
||||
dest.w = -w;
|
||||
return dest;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Normalise this vector and place the result in another vector.
|
||||
* @param dest The destination vector, or null if a new vector is to be created
|
||||
* @return the normalised vector
|
||||
*/
|
||||
public Vector4f normalise(Vector4f dest) {
|
||||
float l = length();
|
||||
|
||||
if (dest == null)
|
||||
dest = new Vector4f(x / l, y / l, z / l, w / l);
|
||||
else
|
||||
dest.set(x / l, y / l, z / l, w / l);
|
||||
|
||||
return dest;
|
||||
}
|
||||
|
||||
/**
|
||||
* The dot product of two vectors is calculated as
|
||||
* v1.x * v2.x + v1.y * v2.y + v1.z * v2.z + v1.w * v2.w
|
||||
* @param left The LHS vector
|
||||
* @param right The RHS vector
|
||||
* @return left dot right
|
||||
*/
|
||||
public static float dot(Vector4f left, Vector4f right) {
|
||||
return left.x * right.x + left.y * right.y + left.z * right.z + left.w * right.w;
|
||||
}
|
||||
|
||||
/**
|
||||
* Calculate the angle between two vectors, in radians
|
||||
* @param a A vector
|
||||
* @param b The other vector
|
||||
* @return the angle between the two vectors, in radians
|
||||
*/
|
||||
public static float angle(Vector4f a, Vector4f b) {
|
||||
float dls = dot(a, b) / (a.length() * b.length());
|
||||
if (dls < -1f)
|
||||
dls = -1f;
|
||||
else if (dls > 1.0f)
|
||||
dls = 1.0f;
|
||||
return (float)Math.acos(dls);
|
||||
}
|
||||
|
||||
/* (non-Javadoc)
|
||||
* @see org.lwjgl.vector.Vector#load(FloatBuffer)
|
||||
*/
|
||||
public Vector load(FloatBuffer buf) {
|
||||
x = buf.get();
|
||||
y = buf.get();
|
||||
z = buf.get();
|
||||
w = buf.get();
|
||||
return this;
|
||||
}
|
||||
|
||||
/* (non-Javadoc)
|
||||
* @see org.lwjgl.vector.Vector#scale(float)
|
||||
*/
|
||||
public Vector scale(float scale) {
|
||||
x *= scale;
|
||||
y *= scale;
|
||||
z *= scale;
|
||||
w *= scale;
|
||||
return this;
|
||||
}
|
||||
|
||||
/* (non-Javadoc)
|
||||
* @see org.lwjgl.vector.Vector#store(FloatBuffer)
|
||||
*/
|
||||
public Vector store(FloatBuffer buf) {
|
||||
|
||||
buf.put(x);
|
||||
buf.put(y);
|
||||
buf.put(z);
|
||||
buf.put(w);
|
||||
|
||||
return this;
|
||||
}
|
||||
|
||||
public String toString() {
|
||||
return "Vector4f: " + x + " " + y + " " + z + " " + w;
|
||||
}
|
||||
|
||||
/**
|
||||
* @return x
|
||||
*/
|
||||
public final float getX() {
|
||||
return x;
|
||||
}
|
||||
|
||||
/**
|
||||
* @return y
|
||||
*/
|
||||
public final float getY() {
|
||||
return y;
|
||||
}
|
||||
|
||||
/**
|
||||
* Set X
|
||||
* @param x
|
||||
*/
|
||||
public final void setX(float x) {
|
||||
this.x = x;
|
||||
}
|
||||
|
||||
/**
|
||||
* Set Y
|
||||
* @param y
|
||||
*/
|
||||
public final void setY(float y) {
|
||||
this.y = y;
|
||||
}
|
||||
|
||||
/**
|
||||
* Set Z
|
||||
* @param z
|
||||
*/
|
||||
public void setZ(float z) {
|
||||
this.z = z;
|
||||
}
|
||||
|
||||
|
||||
/* (Overrides)
|
||||
* @see org.lwjgl.vector.ReadableVector3f#getZ()
|
||||
*/
|
||||
public float getZ() {
|
||||
return z;
|
||||
}
|
||||
|
||||
/**
|
||||
* Set W
|
||||
* @param w
|
||||
*/
|
||||
public void setW(float w) {
|
||||
this.w = w;
|
||||
}
|
||||
|
||||
/* (Overrides)
|
||||
* @see org.lwjgl.vector.ReadableVector3f#getZ()
|
||||
*/
|
||||
public float getW() {
|
||||
return w;
|
||||
}
|
||||
|
||||
public boolean equals(Object obj) {
|
||||
if (this == obj) return true;
|
||||
if (obj == null) return false;
|
||||
if (getClass() != obj.getClass()) return false;
|
||||
Vector4f other = (Vector4f)obj;
|
||||
|
||||
if (x == other.x && y == other.y && z == other.z && w == other.w) return true;
|
||||
|
||||
return false;
|
||||
}
|
||||
}
|
@ -1,23 +0,0 @@
|
||||
package utils.vectors;
|
||||
|
||||
public interface WriteableVector2f {
|
||||
/**
|
||||
* Set the X value
|
||||
* @param x
|
||||
*/
|
||||
void setX(float x);
|
||||
|
||||
/**
|
||||
* Set the Y value
|
||||
* @param y
|
||||
*/
|
||||
void setY(float y);
|
||||
|
||||
/**
|
||||
* Set the X,Y values
|
||||
* @param x
|
||||
* @param y
|
||||
*/
|
||||
void set(float x, float y);
|
||||
|
||||
}
|
@ -1,17 +0,0 @@
|
||||
package utils.vectors;
|
||||
|
||||
public interface WriteableVector3f extends WriteableVector2f {
|
||||
/**
|
||||
* Set the Z value
|
||||
* @param z
|
||||
*/
|
||||
void setZ(float z);
|
||||
|
||||
/**
|
||||
* Set the X,Y,Z values
|
||||
* @param x
|
||||
* @param y
|
||||
* @param z
|
||||
*/
|
||||
void set(float x, float y, float z);
|
||||
}
|
@ -1,20 +0,0 @@
|
||||
package utils.vectors;
|
||||
|
||||
public interface WriteableVector4f extends WriteableVector3f {
|
||||
|
||||
/**
|
||||
* Set the W value
|
||||
* @param w
|
||||
*/
|
||||
void setW(float w);
|
||||
|
||||
/**
|
||||
* Set the X,Y,Z,W values
|
||||
* @param x
|
||||
* @param y
|
||||
* @param z
|
||||
* @param w
|
||||
*/
|
||||
void set(float x, float y, float z, float w);
|
||||
|
||||
}
|
Loading…
Reference in New Issue
Block a user