Commit: f3be91c2d8f4a490d440d66f87e3bc6654a839c7
Author: Lukas Tönne
Date: Thu Sep 4 19:58:17 2014 +0200
Branches: hair_immediate_fixes
https://developer.blender.org/rBf3be91c2d8f4a490d440d66f87e3bc6654a839c7
Don't try to enforce a velocity change for pinned vertices; their
velocity is defined externally by hair root motion.
===================================================================
M source/blender/blenkernel/intern/implicit.c
===================================================================
diff --git a/source/blender/blenkernel/intern/implicit.c
b/source/blender/blenkernel/intern/implicit.c
index 6a27493..ae85579 100644
--- a/source/blender/blenkernel/intern/implicit.c
+++ b/source/blender/blenkernel/intern/implicit.c
@@ -1962,18 +1962,15 @@ static void setup_constraint_matrix(ClothModifierData
*clmd, ColliderContacts *c
int numverts = clmd->clothObject->numverts;
int i, j, v;
- /* Clear matrix from old vertex constraints */
- for (v = 0; v < S[0].vcount; v++)
- S[v].c = S[v].r = 0;
-
- /* pinned vertex constraints */
for (v = 0; v < numverts; v++) {
S[v].c = S[v].r = v;
if (verts[v].flags & CLOTH_VERT_FLAG_PINNED) {
- negate_v3_v3(z[v], verts[v].v);
+ /* pinned vertex constraints */
+ zero_v3(z[v]); /* velocity is defined externally */
zero_m3(S[v].m);
}
else {
+ /* free vertex */
zero_v3(z[v]);
unit_m3(S[v].m);
}
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