Inverted effect of target density was unstable, the divergence term

needs to be substracted instead.
2014-11-14 17:11:33 +01:00
parent 325990ff6e
commit 2da21b30ae
1 changed files with 1 additions and 1 deletions
--- a/source/blender/physics/intern/hair_volume.cpp
+++ b/source/blender/physics/intern/hair_volume.cpp
@@ -682,7 +682,7 @@ bool BPH_hair_volume_solve_divergence(HairGrid *grid, float dt, float target_den
 				 * and resulting pressure gradient should be multiplied by the (inverse) density;
 				 * however, this is already included in the weighting of hair velocities on the grid!
 				 */
-				B[u] = divergence + target;
+				B[u] = divergence - target;
 				
 #if 0
 				{