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/* |
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Copyright @ 1999-2003, The Institute for Genomic Research (TIGR). |
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All rights reserved. |
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*/ |
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/* |
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* $RCSfile: OpenBehavior.java,v $ |
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* $Revision: 1.4 $ |
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* $Date: 2006/02/23 20:59:53 $ |
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* $Author: caliente $ |
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* $State: Exp $ |
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*/ |
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package org.tigr.microarray.mev.cluster.gui.impl.pca; |
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|
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import java.awt.event.KeyEvent; |
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import java.util.Enumeration; |
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|
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import javax.media.j3d.Behavior; |
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import javax.media.j3d.Transform3D; |
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import javax.media.j3d.TransformGroup; |
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import javax.media.j3d.WakeupCriterion; |
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import javax.media.j3d.WakeupOnAWTEvent; |
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import javax.media.j3d.WakeupOnElapsedFrames; |
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|
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public class OpenBehavior extends Behavior { |
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private TransformGroup targetTG; |
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private WakeupCriterion wakeupNextFrame; |
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private WakeupCriterion AWTEventCondition; |
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private Transform3D t3D = new Transform3D(); |
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private Transform3D actualTr = new Transform3D(); |
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private double doorAngle, stepAngle; |
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private int mode = 0; |
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|
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/** |
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* Constructs an <code>OpenBehavior</code> for specified target. |
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*/ |
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public OpenBehavior(TransformGroup targetTG){ |
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this.targetTG = targetTG; |
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AWTEventCondition = new WakeupOnAWTEvent(KeyEvent.KEY_PRESSED); |
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wakeupNextFrame = new WakeupOnElapsedFrames(0); |
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} |
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|
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/** |
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* Initializes wake up condition. |
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*/ |
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public void initialize() { |
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this.wakeupOn(AWTEventCondition); |
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doorAngle = 0.0; |
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stepAngle = 0.0; |
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} |
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|
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/** |
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* Process keyboard events. |
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*/ |
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public void processStimulus(Enumeration criteria) { |
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if (criteria.nextElement().equals(AWTEventCondition)) { |
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mode = -1; |
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switch (((KeyEvent)((WakeupOnAWTEvent)AWTEventCondition).getAWTEvent()[0]).getKeyCode()) { |
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case KeyEvent.VK_X: mode = 0; break; |
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case KeyEvent.VK_Y: mode = 1; break; |
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case KeyEvent.VK_Z: mode = 2; break; |
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case KeyEvent.VK_RIGHT: mode = 1; break; |
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case KeyEvent.VK_DOWN: mode = 0; break; |
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case KeyEvent.VK_LEFT: mode = 3; break; |
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case KeyEvent.VK_UP: mode = 4; break; |
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default:; |
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} |
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} |
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if (mode != -1) { |
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if (doorAngle < Math.PI/2.0) { |
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stepAngle = Math.PI/20.0; |
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doorAngle += Math.PI/20.0; |
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if (doorAngle > (Math.PI/2.0)) { |
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doorAngle = (Math.PI/2.0); |
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} |
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targetTG.getTransform(actualTr); |
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switch (mode) { |
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case 0: |
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t3D.rotX(stepAngle); |
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break; |
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case 1: |
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t3D.rotY(stepAngle); |
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break; |
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case 2: |
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t3D.rotZ(stepAngle); |
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break; |
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case 3: |
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stepAngle = -Math.PI/20.0; |
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t3D.rotY(stepAngle); |
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break; |
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case 4: |
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stepAngle = -Math.PI/20.0; |
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t3D.rotX(stepAngle); |
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break; |
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default: {} |
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} |
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t3D.mul(actualTr); |
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targetTG.setTransform(t3D); |
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wakeupOn(wakeupNextFrame); |
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} else { |
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doorAngle = 0.0; |
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wakeupOn(AWTEventCondition); |
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} |
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} else { |
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doorAngle = 0.0; |
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wakeupOn(AWTEventCondition); |
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} |
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} |
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} |