diff options
Diffstat (limited to 'source/blender/gpu/shaders/material')
| -rw-r--r-- | source/blender/gpu/shaders/material/gpu_shader_material_tex_voronoi.glsl | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/source/blender/gpu/shaders/material/gpu_shader_material_tex_voronoi.glsl b/source/blender/gpu/shaders/material/gpu_shader_material_tex_voronoi.glsl index 0d8847176c9..470ce1a1fa7 100644 --- a/source/blender/gpu/shaders/material/gpu_shader_material_tex_voronoi.glsl +++ b/source/blender/gpu/shaders/material/gpu_shader_material_tex_voronoi.glsl @@ -158,14 +158,13 @@ void node_tex_voronoi_distance_to_edge_1d(vec3 coord, float cellPosition = floor(scaledCoord); float localPosition = scaledCoord - cellPosition; - float minDistance = 8.0; - for (int i = -1; i <= 1; i++) { - float cellOffset = float(i); - float pointPosition = cellOffset + hash_float_to_float(cellPosition + cellOffset) * randomness; - float distanceToPoint = voronoi_distance(pointPosition, localPosition, metric, exponent); - minDistance = min(distanceToPoint, minDistance); - } - outDistance = minDistance; + float midPointPosition = hash_float_to_float(cellPosition) * randomness; + float leftPointPosition = -1.0 + hash_float_to_float(cellPosition - 1.0) * randomness; + float rightPointPosition = 1.0 + hash_float_to_float(cellPosition + 1.0) * randomness; + float distanceToMidLeft = distance((midPointPosition + leftPointPosition) / 2.0, localPosition); + float distanceToMidRight = distance((midPointPosition + rightPointPosition) / 2.0, localPosition); + + outDistance = min(distanceToMidLeft, distanceToMidRight); } void node_tex_voronoi_n_sphere_radius_1d(vec3 coord, |