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+ | Dragon and bvh

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TheRedShip
2025-01-18 12:30:35 +01:00
parent bb673d4af1
commit 5d3de6158b
20 changed files with 430842 additions and 25476 deletions
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15
srcs/class/BVH.cpp
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@ -12,7 +12,7 @@
#include "BVH.hpp"
BVH::BVH(std::vector<GPUObject> &primitives, int first_primitive, int primitive_count) : _aabb(AABB(glm::vec3(1e30f), glm::vec3(-1e30f)))
BVH::BVH(std::vector<GPUTriangle> &primitives, int first_primitive, int primitive_count) : _aabb(AABB(glm::vec3(1e30f), glm::vec3(-1e30f)))
{
_left = nullptr;
_right = nullptr;
@ -26,14 +26,14 @@ BVH::BVH(std::vector<GPUObject> &primitives, int first_primitive, int primitive_
subdivide(primitives);
}
void BVH::updateBounds(std::vector<GPUObject> &primitives)
void BVH::updateBounds(std::vector<GPUTriangle> &primitives)
{
for (int i = 0; i < _primitive_count; i++)
{
GPUObject leaf_triangle = primitives[_first_primitive + i];
GPUTriangle leaf_triangle = primitives[_first_primitive + i];
if (leaf_triangle.type != (int)Object::Type::TRIANGLE)
continue ;
// if (leaf_triangle.type != (int)Object::Type::TRIANGLE)
// continue ;
_aabb.min = glm::min(_aabb.min, leaf_triangle.position);
_aabb.min = glm::min(_aabb.min, leaf_triangle.vertex1);
@ -44,9 +44,9 @@ void BVH::updateBounds(std::vector<GPUObject> &primitives)
}
}
void BVH::subdivide(std::vector<GPUObject> &primitives)
void BVH::subdivide(std::vector<GPUTriangle> &primitives)
{
if (_primitive_count <= 100)
if (_primitive_count <= 4)
return ;
glm::vec3 extent = _aabb.max - _aabb.min;
@ -79,7 +79,6 @@ void BVH::subdivide(std::vector<GPUObject> &primitives)
if (left_count == 0 || left_count == _primitive_count)
return ;
_is_leaf = false;
_left = new BVH(primitives, _first_primitive, left_count);