[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [41020] trunk/blender/source/blender/ blenkernel/intern/particle_system.c: Fix for [#28823] Boids use uninitialized memory.

[Janne Karhu]

Revision: 41020
          
http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=41020
Author:   jhk
Date:     2011-10-15 01:42:26 +0000 (Sat, 15 Oct 2011)
Log Message:
-----------
Fix for [#28823] Boids use uninitialized memory.
* Boids need the random velocity vector always.

Modified Paths:
--------------
    trunk/blender/source/blender/blenkernel/intern/particle_system.c

Modified: trunk/blender/source/blender/blenkernel/intern/particle_system.c
===================================================================
--- trunk/blender/source/blender/blenkernel/intern/particle_system.c    
2011-10-15 01:32:49 UTC (rev 41019)
+++ trunk/blender/source/blender/blenkernel/intern/particle_system.c    
2011-10-15 01:42:26 UTC (rev 41020)
@@ -1607,8 +1607,8 @@
        }
                
 
-       /* -velocity                                                    */
-       if(part->randfac != 0.0f){
+       /* -velocity (boids need this even if there's no random velocity) */
+       if(part->randfac != 0.0f || (part->phystype==PART_PHYS_BOIDS && 
pa->boid)){
                r_vel[0] = 2.0f * (PSYS_FRAND(p + 10) - 0.5f);
                r_vel[1] = 2.0f * (PSYS_FRAND(p + 11) - 0.5f);
                r_vel[2] = 2.0f * (PSYS_FRAND(p + 12) - 0.5f);

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