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Diffstat (limited to 'src/OrientedShape3D/MouseRotateY.java')
| -rw-r--r-- | src/OrientedShape3D/MouseRotateY.java | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/src/OrientedShape3D/MouseRotateY.java b/src/OrientedShape3D/MouseRotateY.java new file mode 100644 index 0000000..b727deb --- /dev/null +++ b/src/OrientedShape3D/MouseRotateY.java @@ -0,0 +1,194 @@ +/* + * $RCSfile$ + * + * Copyright (c) 2004 Sun Microsystems, Inc. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistribution of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistribution in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * Neither the name of Sun Microsystems, Inc. or the names of + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * This software is provided "AS IS," without a warranty of any + * kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND + * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY + * EXCLUDED. SUN MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL + * NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF + * USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS + * DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR + * ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, + * CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND + * REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF OR + * INABILITY TO USE THIS SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + * + * You acknowledge that this software is not designed, licensed or + * intended for use in the design, construction, operation or + * maintenance of any nuclear facility. + * + * $Revision$ + * $Date$ + * $State$ + */ + +import java.awt.*; +import java.awt.event.*; +import java.util.*; +import javax.media.j3d.*; +import javax.vecmath.*; +import com.sun.j3d.utils.behaviors.mouse.*; + +/** + * MouseRotateY is a Java3D behavior object that lets users control the + * rotation of an object via a mouse. + * <p> + * To use this utility, first create a transform group that this + * rotate behavior will operate on. Then, + *<blockquote><pre> + * + * MouseRotateY behavior = new MouseRotateY(); + * behavior.setTransformGroup(objTrans); + * objTrans.addChild(behavior); + * behavior.setSchedulingBounds(bounds); + * + *</pre></blockquote> + * The above code will add the rotate behavior to the transform + * group. The user can rotate any object attached to the objTrans. + */ + +public class MouseRotateY extends MouseBehavior { + double y_angle; + double y_factor; + + /** + * Creates a rotate behavior given the transform group. + * @param transformGroup The transformGroup to operate on. + */ + public MouseRotateY(TransformGroup transformGroup) { + super(transformGroup); + } + + /** + * Creates a default mouse rotate behavior. + **/ + public MouseRotateY() { + super(0); + } + + /** + * Creates a rotate behavior. + * Note that this behavior still needs a transform + * group to work on (use setTransformGroup(tg)) and + * the transform group must add this behavior. + * @param flags interesting flags (wakeup conditions). + */ + public MouseRotateY(int flags) { + super(flags); + } + + public void initialize() { + super.initialize(); + y_angle = 0; + y_factor = .03; + if ((flags & INVERT_INPUT) == INVERT_INPUT) { + invert = true; + y_factor *= -1; + } + } + + public double getYFactor() { + return y_factor; + } + + public void setFactor( double factor) { + y_factor = factor; + + } + + + public void processStimulus (Enumeration criteria) { + WakeupCriterion wakeup; + AWTEvent[] event; + int id; + int dx; + + while (criteria.hasMoreElements()) { + wakeup = (WakeupCriterion) criteria.nextElement(); + if (wakeup instanceof WakeupOnAWTEvent) { + event = ((WakeupOnAWTEvent)wakeup).getAWTEvent(); + for (int i=0; i<event.length; i++) { + processMouseEvent((MouseEvent) event[i]); + + if (((buttonPress)&&((flags & MANUAL_WAKEUP) == 0)) || + ((wakeUp)&&((flags & MANUAL_WAKEUP) != 0))){ + + id = event[i].getID(); + if ((id == MouseEvent.MOUSE_DRAGGED) && + !((MouseEvent)event[i]).isMetaDown() && + !((MouseEvent)event[i]).isAltDown()){ + + x = ((MouseEvent)event[i]).getX(); + + dx = x - x_last; + + if (!reset){ + y_angle = dx * y_factor; + + transformY.rotY(y_angle); + + transformGroup.getTransform(currXform); + + //Vector3d translation = new Vector3d(); + //Matrix3f rotation = new Matrix3f(); + Matrix4d mat = new Matrix4d(); + + // Remember old matrix + currXform.get(mat); + + // Translate to origin + currXform.setTranslation(new Vector3d(0.0,0.0,0.0)); + if (invert) { + currXform.mul(currXform, transformX); + currXform.mul(currXform, transformY); + } else { + currXform.mul(transformX, currXform); + currXform.mul(transformY, currXform); + } + + // Set old translation back + Vector3d translation = new + Vector3d(mat.m03, mat.m13, mat.m23); + currXform.setTranslation(translation); + + // Update xform + transformGroup.setTransform(currXform); + } + else { + reset = false; + } + + x_last = x; + } + else if (id == MouseEvent.MOUSE_PRESSED) { + x_last = ((MouseEvent)event[i]).getX(); + } + } + } + } + } + + wakeupOn (mouseCriterion); + + } +} |