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Add Fractal Voronoi Noise V.2 #106827

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Jacques Lucke merged 77 commits from Hoshinova/blender:add-fractal-voronoi into main 2023-06-13 09:18:18 +02:00
Conversation 77 Commits 77 Files Changed 20 +8 -4
1 changed files with 8 additions and 4 deletions
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source/blender/blenlib/intern/noise.cc
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@ -1506,7 +1506,8 @@ VoronoiOutput voronoi_smooth_f1(const VoronoiParams &params,
smoothDistance = mix(smoothDistance, distanceToPoint, h) - correctionFactor;
correctionFactor /= 1.0f + 3.0f * params.smoothness;
float3 cellColor = hash_float_to_float3(cellPosition + cellOffset);
if (calc_color) { /* Only compute Color if necessary, as it is very expensive */
if (calc_color) {
/* Only compute Color output if necessary, as it is very expensive. */
smoothColor = mix(smoothColor, cellColor, h) - correctionFactor;
}
smoothPosition = mix(smoothPosition, pointPosition, h) - correctionFactor;
@ -1667,7 +1668,8 @@ VoronoiOutput voronoi_smooth_f1(const VoronoiParams &params,
float correctionFactor = params.smoothness * h * (1.0f - h);
smoothDistance = mix(smoothDistance, distanceToPoint, h) - correctionFactor;
correctionFactor /= 1.0f + 3.0f * params.smoothness;
if (calc_color) { /* Only compute Color if necessary, as it is very expensive */
if (calc_color) {
/* Only compute Color output if necessary, as it is very expensive. */
float3 cellColor = hash_float_to_float3(cellPosition + cellOffset);
smoothColor = mix(smoothColor, cellColor, h) - correctionFactor;
}
@ -1865,7 +1867,8 @@ VoronoiOutput voronoi_smooth_f1(const VoronoiParams &params,
float correctionFactor = params.smoothness * h * (1.0f - h);
smoothDistance = mix(smoothDistance, distanceToPoint, h) - correctionFactor;
correctionFactor /= 1.0f + 3.0f * params.smoothness;
if (calc_color) { /* Only compute Color if necessary, as it is very expensive */
if (calc_color) {
/* Only compute Color output if necessary, as it is very expensive. */
float3 cellColor = hash_float_to_float3(cellPosition + cellOffset);
smoothColor = mix(smoothColor, cellColor, h) - correctionFactor;
}
@ -2079,7 +2082,8 @@ VoronoiOutput voronoi_smooth_f1(const VoronoiParams &params,
float correctionFactor = params.smoothness * h * (1.0f - h);
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Jacques Lucke commented 2023-06-08 14:53:48 +02:00
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smoothDistance = mix(smoothDistance, distanceToPoint, h) - correctionFactor;
correctionFactor /= 1.0f + 3.0f * params.smoothness;
if (calc_color) { /* Only compute Color if necessary, as it is very expensive */
if (calc_color) {
/* Only compute Color output if necessary, as it is very expensive. */
float3 cellColor = hash_float_to_float3(cellPosition + cellOffset);
smoothColor = mix(smoothColor, cellColor, h) - correctionFactor;
}