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~ | BVH sent to gpu

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TheRedShip
2025-01-17 16:27:39 +01:00
parent 6f80a66550
commit 6fdea11adb
14 changed files with 359 additions and 46 deletions
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11
shaders/intersect.glsl
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@ -68,15 +68,18 @@ bool intersectQuad(Ray ray, GPUObject obj, out hitInfo hit)
}
bool intersectTriangle(Ray ray, GPUObject obj, out hitInfo hit)
{
vec3 pvec = cross(ray.direction, obj.vertex2);
float det = dot(obj.vertex1, pvec);
vec3 vertex1 = obj.vertex1 - obj.position;
vec3 vertex2 = obj.vertex2 - obj.position;
vec3 pvec = cross(ray.direction, vertex2);
float det = dot(vertex1, pvec);
vec3 tvec = ray.origin - obj.position;
float invDet = 1.0 / det;
float u = dot(tvec, pvec) * invDet;
vec3 qvec = cross(tvec, obj.vertex1);
vec3 qvec = cross(tvec, vertex1);
float v = dot(ray.direction, qvec) * invDet;
float t = dot(obj.vertex2, qvec) * invDet;
float t = dot(vertex2, qvec) * invDet;
bool valid = abs(det) > 1e-8 &&
u >= 0.0 && u <= 1.0 &&