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+ | first fog laser bounce

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TheRedShip
2025-03-04 20:43:06 +01:00
parent 74a23e9933
commit a890cca50b
5 changed files with 47 additions and 9 deletions
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7
shaders/volumetric.glsl
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@ -44,11 +44,14 @@ void calculateVolumetricLight(float t_scatter, inout Ray ray, inout vec3 color,
transmittance *= exp(-volume.sigma_t * t_scatter);
color *= volume.sigma_s / volume.sigma_t;
light += transmittance * color * sampleLights(scatter_pos, rng_state);
vec3 direct_light = sampleLights(scatter_pos, rng_state);
float cos_theta = sampleHG(volume.g, rng_state);
vec3 new_dir = sampleDirection(ray.direction, cos_theta, rng_state);
ray.origin = scatter_pos;
ray.direction = new_dir;
ray.inv_direction = 1.0 / new_dir;
light += transmittance * color * direct_light;
}