ADD: Centroid in meshSection

engine/src/loader/models/MeshSection.h

@@ -19,6 +19,7 @@ namespace engine {
         std::string name;
         unsigned int indexOffset; // in Indizes, nicht Bytes
         unsigned int indexCount;
+        glm::vec3 centroid;
         std::shared_ptr<Material> material;
     };
 

engine/src/loader/models/ModelUploader.cpp

@@ -9,6 +9,7 @@
 #include <iostream>
 
 #include "Material.h"
+#include "glm/vec3.hpp"
 #include "loader/textures/TextureUploader.h"
 #include "spdlog/spdlog.h"
 
@@ -98,6 +99,12 @@ engine::Model engine::ModelUploader::uploadSections(const std::vector<RawMeshSec
         texCoords.insert(texCoords.end(), section.textureCoords.begin(), section.textureCoords.end());
         for (int localIndex : section.indices) indices.push_back(vertexOffset + static_cast<unsigned int>(localIndex));
 
+        glm::vec3 centroidSum(0.0f);
+        for (size_t i = 0; i < section.vertices.size(); i += 3) {
+            centroidSum += glm::vec3(section.vertices[i], section.vertices[i+1], section.vertices[i+2]);
+        }
+        meshSection.centroid = centroidSum / static_cast<float>(section.vertices.size() / 3);
+
         vertexOffset += static_cast<unsigned int>(section.vertices.size() / 3);
         meshSections.push_back(std::move(meshSection));
     }