[Plib-cvs] plib/examples/src/ssg/dynamics dynamics.cxx,1.3,1.4

[Steve B. <sj...@us...>]

Update of /cvsroot/plib/plib/examples/src/ssg/dynamics
In directory usw-pr-cvs1:/tmp/cvs-serv1434/plib/examples/src/ssg/dynamics

Modified Files:
	dynamics.cxx 
Log Message:
Added collisions to dynamics demo.


Index: dynamics.cxx
===================================================================
RCS file: /cvsroot/plib/plib/examples/src/ssg/dynamics/dynamics.cxx,v
retrieving revision 1.3
retrieving revision 1.4
diff -u -d -r1.3 -r1.4
--- dynamics.cxx	11 Aug 2002 18:34:54 -0000	1.3
+++ dynamics.cxx	11 Aug 2002 19:52:07 -0000	1.4
@@ -15,6 +15,8 @@
 #define GUI_BASE      80
 #define VIEW_GUI_BASE 20
 #define FONT_COLOUR   1,1,1,1
+#define DEEPEST_HELL  -10000.0
+#define HOT_TOLERANCE  1.0
 
 ssgRoot            *scene        = NULL ;
 ssgaWaveSystem     *ocean        = NULL ;
@@ -33,11 +35,11 @@
 {
   particle [ 0 ] -> setPos ( 2.0f, -4.0f, 0.0f ) ;
[...94 lines suppressed...]
+    particle [ i ] -> update ( dt ) ;
 
-      if ( particle [ i ] -> getVel  ()[2] < 0.0f )
-        particle [ i ] -> getVel  ()[2] = 0.0f ;
+    sgVec3 normal ;
 
-      if ( particle [ i ] -> getForce ()[2] < 0.0f )
-        particle [ i ] -> getForce ()[2] = 0.0f ;
-    }
+    float hot = getHeightAndNormal ( particle [ i ] -> getPos(), normal ) ;
 
-    particle [ i ] -> update ( dt ) ;
+    if ( particle [ i ] -> getPos ()[2] <= hot )
+    {
+      particle [ i ] -> bounce ( normal, RESTITUTION ) ;
+      particle [ i ] -> getPos ()[2] = hot ;
+    }
   }
 
   for ( int i = 0 ; i < num_particles ; i++ )