removed my SB hack from particle collision code

(which still can't really handle moving targets)
leaving 2 bug fixes
1. multiple objects need a reset on cache variable
2. quads always need to be handled as 2 triangles
(since they don't need to share a plane)

added a collision detecting function in effect.c for SB
( no need to be there, but i did not find a better place )
but should handle 'moving targets' up to 0.2 blender units/frame

well .. important info in this case:
collision
uses 'face normal' to decide if *intrusion* happend
uses 'damping' of collision target to slow down movement
when *intrusion* happend

+some more removing unneeded code in softbody.c

1 files changed, 5 insertions, 0 deletions

diff --git a/source/blender/blenkernel/BKE_effect.h b/source/blender/blenkernel/BKE_effect.h
index e7eca88535c..4d5ab274fc5 100644
--- a/source/blender/blenkernel/BKE_effect.h
+++ b/source/blender/blenkernel/BKE_effect.h
@@ -70,6 +70,11 @@ int pdDoDeflection(float opco[3], float npco[3], float opno[3],
 				   float cur_time, unsigned int par_layer, int *last_object,
 				   int *last_face, int *same_face);
 
+int SoftBodyDetectCollision(float opco[3], float npco[3], float colco[3],
+        float facenormal[3], float *damp, float force[3], int mode,
+        float cur_time, unsigned int par_layer, int *last_object,
+		int *last_face, int *same_face);
+
 
 #endif