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ADD: Centroid in meshSection

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sebastian 2026-08-02 17:07:58 +02:00
parent 1a2b6ae364
commit 5d1da184e0
2 changed files with 8 additions and 0 deletions
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1
engine/src/loader/models/MeshSection.h
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@ -19,6 +19,7 @@ namespace engine {
std::string name; std::string name;
unsigned int indexOffset; // in Indizes, nicht Bytes unsigned int indexOffset; // in Indizes, nicht Bytes
unsigned int indexCount; unsigned int indexCount;
glm::vec3 centroid;
std::shared_ptr<Material> material; std::shared_ptr<Material> material;
}; };

7
engine/src/loader/models/ModelUploader.cpp
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@ -9,6 +9,7 @@
#include <iostream> #include <iostream>
#include "Material.h" #include "Material.h"
#include "glm/vec3.hpp"
#include "loader/textures/TextureUploader.h" #include "loader/textures/TextureUploader.h"
#include "spdlog/spdlog.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()); texCoords.insert(texCoords.end(), section.textureCoords.begin(), section.textureCoords.end());
for (int localIndex : section.indices) indices.push_back(vertexOffset + static_cast<unsigned int>(localIndex)); 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); vertexOffset += static_cast<unsigned int>(section.vertices.size() / 3);
meshSections.push_back(std::move(meshSection)); meshSections.push_back(std::move(meshSection));
} }