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TheRedShip
2025-01-16 00:12:31 +01:00
parent a892d5e7e6
commit 787833ac84
12 changed files with 6203 additions and 6118 deletions
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12
shaders/intersect.glsl
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@ -7,9 +7,17 @@ bool intersectSphere(Ray ray, GPUObject obj, out hitInfo hit)
float h = b * b - c;
float t = -b - sqrt(h);
t = mix(t, -b + sqrt(h), step(t, 0.0));
float last_t = -b + sqrt(h);
if (t > last_t)
{
float temp = t;
t = last_t;
last_t = temp;
}
hit.t = t;
hit.last_t = last_t;
hit.position = ray.origin + ray.direction * t;
hit.normal = normalize(hit.position - obj.position);