Dear All,
I am now writing my program on Java3D and have encountered a problem.In fact I am
only a newbie and hope that ppl there can kindly give me a helping hand.
I try to use a keyboard behavior so that when the user press the key button, the
viewplatform can move. And I try to add a shape3D under the transform group of the
viewplatform so the the shap3D can move together with the viewplatform. However, when
I want to handle the collision of this shape3D with other shape3D in my program, it
seems there exist some exception.
java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
at java.util.ArrayList.RangeCheck(ArrayList.java:491)
at java.util.ArrayList.get(ArrayList.java:307)
at javax.media.j3d.Shape3DRetained.getMirrorShape(Shape3DRetained.java:2
034)
at javax.media.j3d.WakeupOnCollisionEntry.addBehaviorCondition(WakeupOnC
ollisionEntry.java:290)
at javax.media.j3d.WakeupCriterion.buildTree(WakeupCriterion.java:64)
at javax.media.j3d.BehaviorStructure.activateBehaviors(BehaviorStructure
.java:255)
at javax.media.j3d.BehaviorStructure.processMessages(BehaviorStructure.j
ava:178)
at javax.media.j3d.StructureUpdateThread.doWork(StructureUpdateThread.ja
va:83)
at javax.media.j3d.J3dThread.run(J3dThread.java:256)
I try to add my collision detection class with a shape3D on the virtual universe. And
the behavior is added under the transform group of the shape3D.......
Can anyone help?I will be appreciate of anyone can help on my project...
Siu
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