[Bf-blender-cvs] [0ddea77] master: Fix for rB71271bb, was replacing the force vectors entirely instead of adding.
Lukas Tönne
noreply at git.blender.org
Tue Jan 20 09:50:58 CET 2015
Commit: 0ddea77b1a581b9a7d1fa2993cea127d621bc7fa
Author: Lukas Tönne
Date: Wed Sep 17 11:34:39 2014 +0200
Branches: master
https://developer.blender.org/rB0ddea77b1a581b9a7d1fa2993cea127d621bc7fa
Fix for rB71271bb, was replacing the force vectors entirely instead of
adding.
===================================================================
M source/blender/physics/intern/implicit_blender.c
===================================================================
diff --git a/source/blender/physics/intern/implicit_blender.c b/source/blender/physics/intern/implicit_blender.c
index 960e88e..5f8f6ab 100644
--- a/source/blender/physics/intern/implicit_blender.c
+++ b/source/blender/physics/intern/implicit_blender.c
@@ -1451,16 +1451,18 @@ void BPH_mass_spring_force_face_wind(Implicit_Data *data, int v1, int v2, int v3
void BPH_mass_spring_force_edge_wind(Implicit_Data *data, int v1, int v2, const float (*winvec)[3])
{
const float effector_scale = 0.01;
- float win[3], dir[3], length;
+ float win[3], dir[3], nor[3], length;
sub_v3_v3v3(dir, data->X[v1], data->X[v2]);
length = normalize_v3(dir);
direction_world_to_root(data, v1, win, winvec[v1]);
- madd_v3_v3v3fl(data->F[v1], win, dir, -effector_scale * length * dot_v3v3(win, dir));
+ madd_v3_v3v3fl(nor, win, dir, -dot_v3v3(win, dir));
+ madd_v3_v3fl(data->F[v1], nor, effector_scale * length);
direction_world_to_root(data, v2, win, winvec[v2]);
- madd_v3_v3v3fl(data->F[v2], win, dir, -effector_scale * length * dot_v3v3(win, dir));
+ madd_v3_v3v3fl(nor, win, dir, -dot_v3v3(win, dir));
+ madd_v3_v3fl(data->F[v2], nor, effector_scale * length);
}
BLI_INLINE void dfdx_spring(float to[3][3], const float dir[3], float length, float L, float k)
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