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+ | Portal matrices reflection

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TheRedShip
2025-01-08 12:07:26 +01:00
parent fe440958dc
commit 8e4d844f38
8 changed files with 113 additions and 68 deletions
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16
shaders/compute.glsl
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@ -78,6 +78,12 @@ Ray portalRay(Ray ray, hitInfo hit)
mat3 rotation = mat3(portal_2.transform) * transpose(mat3(portal_1.transform));
if (dot(portal_1.normal, portal_2.normal) > 0.0)
{
mat3 reflection = mat3(1.0) - 2.0 * outerProduct(portal_2.normal, portal_2.normal);
rotation *= reflection;
}
ray.origin = portal_2.position + rotation * relative;
ray.direction = normalize(rotation * ray.direction);
@ -90,7 +96,7 @@ hitInfo traceRay(Ray ray)
{
hitInfo hit;
for (int p = 0; p < 10; p++) //portals
for (int p = 0; p < 5; p++) //portals
{
hit.t = 1e30;
hit.obj_index = -1;
@ -137,10 +143,10 @@ vec3 pathtrace(Ray ray, inout uint rng_state)
GPUMaterial mat = materials[obj.mat_index];
// RR
float p = max(color.r, max(color.g, color.b));
if (randomValue(rng_state) > p && i > 1)
break;
color /= p;
// float p = max(color.r, max(color.g, color.b));
// if (randomValue(rng_state) > p && i > 1)
// break;
// color /= p;
//
color *= mat.color;