ashima/webgl-noise
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Bug fix

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Fixed an age-old bug that caused slight discontinuities along simplex boundaries.
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Stefan Gustavson 2020-10-14 09:55:56 +02:00 committed by GitHub
parent 4b163c3d18
commit 21d9fe23d7
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 2 additions and 2 deletions
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src/noise3D.glsl
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@ -96,8 +96,8 @@ float snoise(vec3 v)
p3 *= norm.w; p3 *= norm.w;
// Mix final noise value // Mix final noise value
vec4 m = max(0.6 - vec4(dot(x0,x0), dot(x1,x1), dot(x2,x2), dot(x3,x3)), 0.0); vec4 m = max(0.5 - vec4(dot(x0,x0), dot(x1,x1), dot(x2,x2), dot(x3,x3)), 0.0);
m = m * m; m = m * m;
return 42.0 * dot( m*m, vec4( dot(p0,x0), dot(p1,x1), return 106.0 * dot( m*m, vec4( dot(p0,x0), dot(p1,x1),
dot(p2,x2), dot(p3,x3) ) ); dot(p2,x2), dot(p3,x3) ) );
} }