diff options
| author | Campbell Barton <ideasman42@gmail.com> | 2015-02-02 20:35:02 +0300 |
|---|---|---|
| committer | Campbell Barton <ideasman42@gmail.com> | 2015-02-02 20:35:40 +0300 |
| commit | 72f02437e7f53270876438222e9563b5be656425 (patch) | |
| tree | 7314686026e889676d47ade3c2c8a15b523383f5 /source/blender | |
| parent | d0ae2624f5e8207ac4d1db0d55d9084ed3e0e2a5 (diff) | |
Warp modifier: avoid sqrt checking radius
Diffstat (limited to 'source/blender')
| -rw-r--r-- | source/blender/modifiers/intern/MOD_warp.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/source/blender/modifiers/intern/MOD_warp.c b/source/blender/modifiers/intern/MOD_warp.c index 60ed4be3604..9abec803d05 100644 --- a/source/blender/modifiers/intern/MOD_warp.c +++ b/source/blender/modifiers/intern/MOD_warp.c @@ -167,6 +167,7 @@ static void warpModifier_do(WarpModifierData *wmd, Object *ob, float tmat[4][4]; + const float falloff_radius_sq = SQUARE(wmd->falloff_radius); float strength = wmd->strength; float fac = 1.0f, weight; int i; @@ -222,8 +223,8 @@ static void warpModifier_do(WarpModifierData *wmd, Object *ob, float *co = vertexCos[i]; if (wmd->falloff_type == eWarp_Falloff_None || - ((fac = len_v3v3(co, mat_from[3])) < wmd->falloff_radius && - (fac = (wmd->falloff_radius - fac) / wmd->falloff_radius))) + ((fac = len_squared_v3v3(co, mat_from[3])) < falloff_radius_sq && + (fac = (wmd->falloff_radius - sqrtf(fac)) / wmd->falloff_radius))) { /* skip if no vert group found */ if (dvert && defgrp_index != -1) { |