diff options
| author | Bartosz Moniewski <monio> | 2020-03-26 16:43:53 +0300 |
|---|---|---|
| committer | Brecht Van Lommel <brecht@blender.org> | 2020-04-09 22:48:03 +0300 |
| commit | 054950def946ed7638c2d9c18ef850cbba94d9d7 (patch) | |
| tree | 6c38c89f8c04be9259a4246b5b0cd5e842951052 /source/blender/gpu/shaders/material/gpu_shader_material_tex_wave.glsl | |
| parent | f3433fcd3bf87c9405fb05c96fde036eb658e8aa (diff) | |
Shading: add Roughness input to Noise and Wave texture nodes
Currently in fractal_noise functions, each subsequent octave doubles the
frequency and reduces the amplitude by half. This patch introduces Roughness
input to Noise and Wave nodes. This multiplier determines how quickly the
amplitudes of the subsequent octaves decrease.
Value of 0.5 will be the default, generating identical noise we had before.
Values above 0.5 will increase influence of each octave resulting in more
"rough" noise, most interesting pattern changes happen there. Values below
0.5 will result in more "smooth" noise.
Differential Revision: https://developer.blender.org/D7065
Diffstat (limited to 'source/blender/gpu/shaders/material/gpu_shader_material_tex_wave.glsl')
| -rw-r--r-- | source/blender/gpu/shaders/material/gpu_shader_material_tex_wave.glsl | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/source/blender/gpu/shaders/material/gpu_shader_material_tex_wave.glsl b/source/blender/gpu/shaders/material/gpu_shader_material_tex_wave.glsl index c72f9717af3..070f42a5e30 100644 --- a/source/blender/gpu/shaders/material/gpu_shader_material_tex_wave.glsl +++ b/source/blender/gpu/shaders/material/gpu_shader_material_tex_wave.glsl @@ -2,6 +2,7 @@ float calc_wave(vec3 p, float distortion, float detail, float detail_scale, + float detail_roughness, float phase, int wave_type, int bands_dir, @@ -46,7 +47,7 @@ float calc_wave(vec3 p, n += phase; if (distortion != 0.0) { - n += distortion * (fractal_noise(p * detail_scale, detail) * 2.0 - 1.0); + n += distortion * (fractal_noise(p * detail_scale, detail, detail_roughness) * 2.0 - 1.0); } if (wave_profile == 0) { /* profile sin */ @@ -67,6 +68,7 @@ void node_tex_wave(vec3 co, float distortion, float detail, float detail_scale, + float detail_roughness, float phase, float wave_type, float bands_dir, @@ -80,6 +82,7 @@ void node_tex_wave(vec3 co, distortion, detail, detail_scale, + detail_roughness, phase, int(wave_type), int(bands_dir), |