+ | BVH Working

shaders/intersect.glsl

@@ -225,4 +225,23 @@ bool intersect(Ray ray, GPUObject obj, out hitInfo hit)
 	if (obj.type == 6) 
 		return (intersectCylinder(ray, obj, hit));
 	return (false);
-}
+}
+
+
+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;
+}
+
+