Files
RT_GPU/shaders/bvh.glsl
2025-01-17 16:27:39 +01:00

17 lines
410 B
GLSL

bool intersectRayBVH(Ray ray, GPUBvh node)
{
vec3 invDir = 1.0 / ray.direction;
vec3 t1 = (node.min - ray.origin) * invDir;
vec3 t2 = (node.max - ray.origin) * invDir;
vec3 tMin = min(t1, t2);
vec3 tMax = max(t1, t2);
float tEnter = max(max(tMin.x, tMin.y), tMin.z);
float tExit = min(min(tMax.x, tMax.y), tMax.z);
return tEnter <= tExit && tExit >= 0.0;
}