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TheRedShip
2025-01-07 12:18:37 +01:00
parent 34be8433f7
commit 3515810c8b
11 changed files with 152 additions and 34 deletions
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5
shaders/random.glsl
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@ -1,3 +1,5 @@
#define M_PI 3.14159265359
float randomValue(inout uint rng_state)
{
rng_state = rng_state * 747796405u + 2891336453u;
@ -8,7 +10,7 @@ float randomValue(inout uint rng_state)
float randomValueNormalDistribution(inout uint rng_state)
{
float theta = 2.0 * 3.14159265359 * randomValue(rng_state);
float theta = 2.0 * M_PI * randomValue(rng_state);
float rho = sqrt(-2.0 * log(randomValue(rng_state)));
return (rho * cos(theta));
}
@ -27,7 +29,6 @@ vec3 randomHemisphereDirection(vec3 normal, inout uint rng_state)
return (direction * sign(dot(normal, direction)));
}
#define M_PI 3.1415926535897932384626433832795
// vec3 randomHemisphereDirection(vec3 normal, inout uint rng_state)
// {