[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [24262] trunk/blender/source/blender/ blenkernel/intern/softbody.c: fixing minor issues
Jens Ole Wund (bjornmose)
bjornmose at gmx.net
Tue Nov 3 00:42:08 CET 2009
Revision: 24262
http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=24262
Author: bjornmose
Date: 2009-11-03 00:42:08 +0100 (Tue, 03 Nov 2009)
Log Message:
-----------
fixing minor issues
such as ignoring forward timing rule
Modified Paths:
--------------
trunk/blender/source/blender/blenkernel/intern/softbody.c
Modified: trunk/blender/source/blender/blenkernel/intern/softbody.c
===================================================================
--- trunk/blender/source/blender/blenkernel/intern/softbody.c 2009-11-02 20:40:47 UTC (rev 24261)
+++ trunk/blender/source/blender/blenkernel/intern/softbody.c 2009-11-02 23:42:08 UTC (rev 24262)
@@ -3769,7 +3769,13 @@
{
/* the simulator */
float forcetime;
- double sct,sst=PIL_check_seconds_timer();
+ double sct,sst;
+
+
+ sst=PIL_check_seconds_timer();
+ /* integration back in time is possible in theory, but pretty useless here
+ so refuse to do so */
+ if(dtime < 0) return;
ccd_update_deflector_hash(scene, ob, sb->scratch->colliderhash);
@@ -3784,8 +3790,8 @@
/* special case of 2nd order Runge-Kutta type AKA Heun */
int mid_flags=0;
float err = 0;
- float forcetimemax = 1.0f;
- float forcetimemin = 0.001f;
+ float forcetimemax = 1.0f; /* set defaults guess we shall do one frame */
+ float forcetimemin = 0.01f; /* set defaults guess 1/100 is tight enough */
float timedone =0.0; /* how far did we get without violating error condition */
/* loops = counter for emergency brake
* we don't want to lock up the system if physics fail
@@ -3793,13 +3799,12 @@
int loops =0 ;
SoftHeunTol = sb->rklimit; /* humm .. this should be calculated from sb parameters and sizes */
- if (sb->minloops > 0) forcetimemax = 1.0f / sb->minloops;
-
- if (sb->maxloops > 0) forcetimemin = 1.0f / sb->maxloops;
+ /* adjust loop limits */
+ if (sb->minloops > 0) forcetimemax = dtime / sb->minloops;
+ if (sb->maxloops > 0) forcetimemin = dtime / sb->maxloops;
if(sb->solver_ID>0) mid_flags |= MID_PRESERVE;
- //forcetime = dtime; /* hope for integrating in one step */
forcetime =forcetimemax; /* hope for integrating in one step */
while ( (ABS(timedone) < ABS(dtime)) && (loops < 2000) )
{
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