Thanks Jeff, that fixed it but now I have a more serious bug:
java.lang.Error: Illegal Scenegraph Modification
at com.xith3d.scenegraph.View.checkForIllegalModification(View.java:256)
at com.xith3d.scenegraph.TransformGroup.setTransform(TransformGroup.java:79)
at Xith3DParticles.ParticlesTest.updateMainGroup(ParticlesTest.java:316)
at Xith3DParticles.ParticlesTest.reset(ParticlesTest.java:329)
at Xith3DParticles.SettingsManagerII.itemStateChanged(SettingsManagerII.java:231)
at javax.swing.AbstractButton.fireItemStateChanged(AbstractButton.java:1814)
at javax.swing.AbstractButton$ForwardItemEvents.itemStateChanged(AbstractButton.java:1850)
at javax.swing.DefaultButtonModel.fireItemStateChanged(DefaultButtonModel.java:477)
at javax.swing.JToggleButton$ToggleButtonModel.setSelected(JToggleButton.java:237)
at javax.swing.JToggleButton$ToggleButtonModel.setPressed(JToggleButton.java:254)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:245)
at java.awt.Component.processMouseEvent(Component.java:5100)
at java.awt.Component.processEvent(Component.java:4897)
at java.awt.Container.processEvent(Container.java:1569)
at java.awt.Component.dispatchEventImpl(Component.java:3615)
at java.awt.Container.dispatchEventImpl(Container.java:1627)
at java.awt.Component.dispatchEvent(Component.java:3477)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:3483)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3198)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3128)
at java.awt.Container.dispatchEventImpl(Container.java:1613)
at java.awt.Window.dispatchEventImpl(Window.java:1606)
at java.awt.Component.dispatchEvent(Component.java:3477)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:456)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:145)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:137)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:100)
F that s man, what the hell >:(