[Bf-committers] [Bf-blender-cvs] SVN commit: /data/svn/bf-blender [13395] trunk/blender/source/blender/src/ buttons_object.c: made correct physics visible on solver panel

[Chris Burt]

This is the most philosophical Blender commit log I've ever read. Well said.

--Chris

On Jan 24, 2008 6:27 PM, bjornmose Jens Ole Wund <bjornmose at gmx.net> wrote:
> Revision: 13395
>           http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=13395
> Author:   bjornmose
> Date:     2008-01-25 00:27:16 +0100 (Fri, 25 Jan 2008)
>
> Log Message:
> -----------
> made correct physics visible on solver panel
> i did not like the accusation blenders soft body module is too bad coded to not respect law of energy conservation.
> well .. animators most of the times don't care if there was a theoretical physics law .. they want to get things done
> hum i think
> on the other hand it is for sure raising confidence to the soft body module when simple physical rules can be verified
> so i won't 'turn a hand' on either approach
> IMHO the inaccurate soft approach serves best to animators
> anyhow
> you have both so you can decide devil or Beelzebub
> have fun BM
>
> Modified Paths:
> --------------
>     trunk/blender/source/blender/src/buttons_object.c
>
> Modified: trunk/blender/source/blender/src/buttons_object.c
> ===================================================================
> --- trunk/blender/source/blender/src/buttons_object.c   2008-01-24 23:23:34 UTC (rev 13394)
> +++ trunk/blender/source/blender/src/buttons_object.c   2008-01-24 23:27:16 UTC (rev 13395)
> @@ -3408,7 +3408,7 @@
>  /* SIF would have been candidate  .. well lack of time .. brecht is busy .. better make a stable version for peach now :) */
>  static char sbsolvers[] = "SIF  semi implicit euler with fixed step size (worth a try with real stiff egdes)%x3|SOFT  step size controlled midpoint(1rst choice for real softbodies)%x0";
>  #else
> -static char sbsolvers[] = "SOFT  step size controlled midpoint(1rst choice for real softbodies)%x0";
> +static char sbsolvers[] = "RKCP correct physics (harder to get stable but usefull for education :)%x1|SOFT  step size controlled midpoint(1rst choice for real softbodies)%x0";
>  #endif
>
>  static void object_softbodies_collision(Object *ob)
> @@ -3598,11 +3598,11 @@
>                         /*SOLVER SETTINGS*/
>                         uiBlockBeginAlign(block);
>                         uiDefBut(block, LABEL, 0, "Solver select",10,200,300,20, NULL, 0.0, 0, 0, 0, "");
> -                       uiDefButS(block, MENU, B_SOFTBODY_CHANGE, sbsolvers,10,180,300,20, &sb->solver_ID, 14.0, 0.0, 0, 0, "Select Solver (choose 1 of 1 i was working on some other but failed *sigh* BM) ");
> +                       uiDefButS(block, MENU, B_SOFTBODY_CHANGE, sbsolvers,10,180,300,20, &sb->solver_ID, 14.0, 0.0, 0, 0, "Select Solver");
>                         uiBlockEndAlign(block);
>
>                         /*some have adapive step size - some not*/
> -                       sb->solver_ID = 0; /* ugly hack to prepare peach freeze */
> +                       //sb->solver_ID = 0; /* ugly hack to prepare peach freeze */
>                         switch (sb->solver_ID) {
>                         case 0:
>                         case 1:
>
>
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