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Adjust aperture

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This commit is contained in:
luboslenco 2018-03-27 16:02:27 +02:00
parent 663332c7a1
commit 3cca3ffbf3
1 changed files with 2 additions and 4 deletions
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6
Shaders/std/conetrace.glsl
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@ -119,8 +119,7 @@ float traceShadow(sampler3D voxels, const vec3 origin, const vec3 dir, const flo
}
vec3 traceSpecular(sampler3D voxels, const vec3 pos, const vec3 normal, const vec3 viewDir, const float roughness) {
float rough = max(roughness, 0.02);
float specularAperture = clamp(tan((3.14159265 / 2) * rough * 0.75), 0.0174533, 3.14159265);
float specularAperture = clamp(tan((3.14159265 / 2) * roughness * 0.75), 0.0174533 * 3.0, 3.14159265);
vec3 specularDir = normalize(reflect(-viewDir, normal));
return traceCone(voxels, pos, specularDir, specularAperture, MAX_DISTANCE, normal).xyz;
}
@ -129,8 +128,7 @@ vec3 traceRefraction(sampler3D voxels, const vec3 pos, const vec3 normal, const
const float ior = 1.440;
const float transmittance = 1.0;
vec3 refraction = refract(viewDir, normal, 1.0 / ior);
float rough = max(roughness, 0.03);
float specularAperture = clamp(tan((3.14159265 / 2) * rough), 0.0174533, 3.14159265);
float specularAperture = clamp(tan((3.14159265 / 2) * roughness), 0.0174533 * 3.0, 3.14159265);
return transmittance * traceCone(voxels, pos, refraction, specularAperture, MAX_DISTANCE, normal).xyz;
}