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Improved collision system use of BVH

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This commit is contained in:
Yousef Khadadeh 2025-07-21 16:54:48 +03:00
parent f74298d21d
commit f75a5133d5
5 changed files with 38 additions and 8 deletions
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31
src/DrawingProgram/DrawingProgramCache.cpp
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@ -77,6 +77,37 @@ std::pair<std::shared_ptr<DrawingProgramCache::BVHNode>, std::vector<DrawingProg
return {nullptr, bvhNode->components.end()};
}
void DrawingProgramCache::traverse_bvh_collision_check(const SCollision::ColliderCollection<WorldScalar>& checkAgainstWorld, const SCollision::ColliderCollection<float>& checkAgainstCam) {
for(auto& c : drawP.components.client_list())
c->obj->globalCollisionCheck = false;
for(auto& c : unsortedComponents)
c->obj->globalCollisionCheck = c->obj->collides_with(drawP.world.drawData.cam.c, checkAgainstWorld, checkAgainstCam, drawP.colliderAllocated);
traverse_bvh_collision_check_recursive(bvhRoot, checkAgainstWorld, checkAgainstCam);
}
void DrawingProgramCache::traverse_bvh_collision_check_recursive_tiny(const std::shared_ptr<BVHNode>& bvhNode, bool collided) {
if(bvhNode) {
for(auto& c : bvhNode->components)
c->obj->globalCollisionCheck = collided;
for(auto& p : bvhNode->children)
traverse_bvh_collision_check_recursive_tiny(p, collided);
}
}
void DrawingProgramCache::traverse_bvh_collision_check_recursive(const std::shared_ptr<BVHNode>& bvhNode, const SCollision::ColliderCollection<WorldScalar>& checkAgainstWorld, const SCollision::ColliderCollection<float>& checkAgainstCam) {
if(bvhNode) {
auto& camCoords = drawP.world.drawData.cam.c;
if((camCoords.inverseScale >> DRAWCOMP_COLLIDE_MIN_SHIFT_TINY) >= bvhNode->coords.inverseScale)
traverse_bvh_collision_check_recursive_tiny(bvhNode, SCollision::collide(checkAgainstCam, camCoords.to_space(bvhNode->bounds.min)));
else {
for(auto& c : bvhNode->components)
c->obj->globalCollisionCheck = c->obj->collides_with(drawP.world.drawData.cam.c, checkAgainstWorld, checkAgainstCam, drawP.colliderAllocated);
for(auto& p : bvhNode->children)
traverse_bvh_collision_check_recursive(p, checkAgainstWorld, checkAgainstCam);
}
}
}
void DrawingProgramCache::traverse_bvh_run_function(const SCollision::AABB<WorldScalar>& aabb, std::function<bool(const std::shared_ptr<BVHNode> node, const std::vector<CollabListType::ObjectInfoPtr>& components)> f) {
f(nullptr, unsortedComponents);
traverse_bvh_run_function_recursive(bvhRoot, aabb, f);