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* | Saving for changement
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18
shaders/scatter.glsl
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18
shaders/scatter.glsl
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Ray newRay(hitInfo hit, Ray ray, inout uint rng_state)
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{
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GPUObject obj;
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Ray new_ray;
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obj = objects[hit.obj_index];
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vec3 diffuse_dir = normalize(hit.normal + randomDirection(rng_state));
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vec3 specular_dir = reflect(ray.direction, hit.normal);
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bool is_specular = (obj.metallic >= randomValue(rng_state));
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new_ray.origin = hit.position + hit.normal * 0.001;
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new_ray.direction = mix(diffuse_dir, specular_dir, obj.roughness * float(is_specular));
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return (new_ray);
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}
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