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  TriMesh TriMesh collisions Array Index Out of Bounds  (Read 917 times)
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Offline Patheros

Senior Newbie





« Posted 2007-04-01 20:58:00 »

I tried to run the TriMeshTriMeshCollisionTest and got
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java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
   at java.util.ArrayList.RangeCheck(Unknown Source)
   at java.util.ArrayList.get(Unknown Source)
   at org.xith3d.utility.geometry.nvtristrip.Stripifier.findAllStrips(Stripifier.java:964)
   at org.xith3d.utility.geometry.nvtristrip.Stripifier.stripify(Stripifier.java:1333)
   at org.xith3d.utility.geometry.nvtristrip.TriStrip.generateStrips(TriStrip.java:148)
   at org.xith3d.utility.geometry.GeometryInfo.optimizeTrianglesForCache(GeometryInfo.java:224)
   at net.java.dev.joode.test.xith.XithConverter.convert(XithConverter.java:147)
   at net.java.dev.joode.test.xith.XithBindingManager.addBinding(XithBindingManager.java:33)
   at net.java.dev.joode.test.collision.TriMeshTriMeshCollisionTest.<init>(TriMeshTriMeshCollisionTest.java:39)
   at net.java.dev.joode.test.collision.TriMeshTriMeshCollisionTest.runTest(TriMeshTriMeshCollisionTest.java:319)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
   at java.lang.reflect.Method.invoke(Unknown Source)
   at net.java.dev.joode.test.JOODETestLauncher.runTest(JOODETestLauncher.java:631)
   at net.java.dev.joode.test.JOODETestLauncher.onStartButtonClicked(JOODETestLauncher.java:174)
   at org.xith3d.utility.launching.DisplayOptions.waitForStart(DisplayOptions.java:1029)
   at org.xith3d.utility.launching.DisplayOptions.<init>(DisplayOptions.java:1059)
   at org.xith3d.utility.launching.DisplayOptions.<init>(DisplayOptions.java:1064)
   at net.java.dev.joode.test.JOODETestLauncher.<init>(JOODETestLauncher.java:602)
   at net.java.dev.joode.test.JOODETestLauncher.main(JOODETestLauncher.java:687)
Offline t_larkworthy

Senior Member


Medals: 1
Projects: 1


Google App Engine Rocks!


« Reply #1 - Posted 2007-04-03 10:48:28 »

I think this is an error that has crept in after upgrading our Xith version. Anyway I removed the line:
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//xgi.optimizeTrianglesForCache();

and it worked (note to Xith and JOODE people, can we fix this please? ).
Please note that the trimesh test cases are pretty complicated trimesh objects (Disicosidodecahedrons). I found that although the test ran, the physics engine took most of the CPU time so sometimes when I ran the test, I didn't visually see the results (because rendering was deprioritized). However, I have added some degub output so you can see the collisions being caught. Also our trimesh expert is currently optimizing so it all should run faster soon.

Tom

Runesketch: an Online CCG built on Google App Engine where players draw their cards and trade. Fight, draw or trade yourself to success.
Offline Marvin Fröhlich

Senior Member




May the 4th, be with you...


« Reply #2 - Posted 2007-04-03 21:02:27 »

Fixed.

Marvin
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