/* -*- tab-width: 4 -*- * * Electric(tm) VLSI Design System * * File: JMouseRotate.java * Written by Gilda Garreton, Sun Microsystems. * * Copyright (c) 2005 Sun Microsystems and Static Free Software * * Electric(tm) is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3 of the License, or * (at your option) any later version. * * Electric(tm) is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with Electric(tm); see the file COPYING.  If not, write to * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, * Boston, Mass 02111-1307, USA. */package com.sun.electric.plugins.j3d;import com.sun.j3d.utils.behaviors.mouse.MouseRotate;import javax.vecmath.Matrix4d;import javax.vecmath.Vector3d;import javax.media.j3d.Transform3D;/** * Extending original rotation class to allow rotation not from original behavior * @author  Gilda Garreton * @version 0.1 */public class JMouseRotate extends MouseRotate{    private Transform3D transformZ = new Transform3D();    public JMouseRotate(int flags) {super(flags);}    public void setRotation(double angleX, double angleY, double angleZ)    {        // Rotations are in the opposite direction        transformX.rotX(-1*angleX);        transformY.rotY(-1*angleY);        transformZ.rotZ(-1*angleZ);        transformGroup.getTransform(currXform);        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);            currXform.mul(currXform, transformZ);        } else {            currXform.mul(transformX, currXform);            currXform.mul(transformY, currXform);            currXform.mul(transformZ, currXform);        }        // Set old translation back        Vector3d translation = new        Vector3d(mat.m03, mat.m13, mat.m23);        currXform.setTranslation(translation);        // Update xform        transformGroup.setTransform(currXform);        transformChanged( currXform );    }}