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| author | Pablo Dobarro <pablodp606@gmail.com> | 2019-11-22 20:21:03 +0300 |
|---|---|---|
| committer | Pablo Dobarro <pablodp606@gmail.com> | 2019-11-22 20:21:44 +0300 |
| commit | 71ddcf1a0883b21f3c37cde75b26514efd967484 (patch) | |
| tree | bc3e30d0384f7d89338e7d8da0f4f04d15a9346d /source/blender/blenkernel/intern/brush.c | |
| parent | 2ff1919b456b5c48bec8cb8914d2051e087e18e5 (diff) | |
Paint: Smoother curve preset
This implements a 5th-order equation smoothstep, which produces a flat
surface at the brush center. Some users find that our current grab brush
is too sharp, so now we have both options.
This also improves the behavior of the new clay brushes.
Reviewed By: jbakker
Differential Revision: https://developer.blender.org/D6265
Diffstat (limited to 'source/blender/blenkernel/intern/brush.c')
| -rw-r--r-- | source/blender/blenkernel/intern/brush.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/source/blender/blenkernel/intern/brush.c b/source/blender/blenkernel/intern/brush.c index 8ba1aa20a26..4d496fe758b 100644 --- a/source/blender/blenkernel/intern/brush.c +++ b/source/blender/blenkernel/intern/brush.c @@ -1576,6 +1576,9 @@ float BKE_brush_curve_strength(const Brush *br, float p, const float len) case BRUSH_CURVE_SMOOTH: strength = 3.0f * p * p - 2.0f * p * p * p; break; + case BRUSH_CURVE_SMOOTHER: + strength = pow3f(p) * (p * (p * 6.0f - 15.0f) + 10.0f); + break; case BRUSH_CURVE_ROOT: strength = sqrtf(p); break; |