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/*
 * Copyright (c) 2007 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.
 *
 */

package com.sun.j3d.utils.geometry;

import javax.media.j3d.QuadArray;
import javax.media.j3d.Shape3D;

/**
 * Simple color-per-vertex cube with a different color for each face
 */
public class ColorCube extends Shape3D {
    private static final float[] verts = {
    // front face
	 1.0f, -1.0f,  1.0f,
	 1.0f,  1.0f,  1.0f,
	-1.0f,  1.0f,  1.0f,
	-1.0f, -1.0f,  1.0f,
    // back face
	-1.0f, -1.0f, -1.0f,
	-1.0f,  1.0f, -1.0f,
	 1.0f,  1.0f, -1.0f,
	 1.0f, -1.0f, -1.0f,
    // right face
	 1.0f, -1.0f, -1.0f,
	 1.0f,  1.0f, -1.0f,
	 1.0f,  1.0f,  1.0f,
	 1.0f, -1.0f,  1.0f,
    // left face
	-1.0f, -1.0f,  1.0f,
	-1.0f,  1.0f,  1.0f,
	-1.0f,  1.0f, -1.0f,
	-1.0f, -1.0f, -1.0f,
    // top face
	 1.0f,  1.0f,  1.0f,
	 1.0f,  1.0f, -1.0f,
	-1.0f,  1.0f, -1.0f,
	-1.0f,  1.0f,  1.0f,
    // bottom face
	-1.0f, -1.0f,  1.0f,
	-1.0f, -1.0f, -1.0f,
	 1.0f, -1.0f, -1.0f,
	 1.0f, -1.0f,  1.0f,
    };

    private static final float[] colors = {
    // front face (red)
	1.0f, 0.0f, 0.0f,
	1.0f, 0.0f, 0.0f,
	1.0f, 0.0f, 0.0f,
	1.0f, 0.0f, 0.0f,
    // back face (green)
	0.0f, 1.0f, 0.0f,
	0.0f, 1.0f, 0.0f,
	0.0f, 1.0f, 0.0f,
	0.0f, 1.0f, 0.0f,
    // right face (blue)
	0.0f, 0.0f, 1.0f,
	0.0f, 0.0f, 1.0f,
	0.0f, 0.0f, 1.0f,
	0.0f, 0.0f, 1.0f,
    // left face (yellow)
	1.0f, 1.0f, 0.0f,
	1.0f, 1.0f, 0.0f,
	1.0f, 1.0f, 0.0f,
	1.0f, 1.0f, 0.0f,
    // top face (magenta)
	1.0f, 0.0f, 1.0f,
	1.0f, 0.0f, 1.0f,
	1.0f, 0.0f, 1.0f,
	1.0f, 0.0f, 1.0f,
    // bottom face (cyan)
	0.0f, 1.0f, 1.0f,
	0.0f, 1.0f, 1.0f,
	0.0f, 1.0f, 1.0f,
	0.0f, 1.0f, 1.0f,
    };

    double scale;

    /**
     * Constructs a color cube with unit scale.  The corners of the
     * color cube are [-1,-1,-1] and [1,1,1].
     */
    public ColorCube() {
	QuadArray cube = new QuadArray(24, QuadArray.COORDINATES |
		QuadArray.COLOR_3);

	cube.setCoordinates(0, verts);
	cube.setColors(0, colors);

	this.setGeometry(cube);

	scale = 1.0;
    }


    /**
     * Constructs a color cube with the specified scale.  The corners of the
     * color cube are [-scale,-scale,-scale] and [scale,scale,scale].
     * @param scale the scale of the cube
     */
    public ColorCube(double scale) {
	QuadArray cube = new QuadArray(24, QuadArray.COORDINATES |
		QuadArray.COLOR_3);

	float scaledVerts[] = new float[verts.length];
	for (int i = 0; i < verts.length; i++)
	    scaledVerts[i] = verts[i] * (float)scale;

	cube.setCoordinates(0, scaledVerts);
	cube.setColors(0, colors);

	this.setGeometry(cube);

	this.scale = scale;
    }

    /**
     * @deprecated ColorCube now extends shape so it is no longer necessary
     * to call this method.
     */
    public Shape3D getShape() {
	return this;
    }

    /**
     * Returns the scale of the Cube
     *
     * @since Java 3D 1.2.1
     */
    public double getScale() {
	return scale;
    }
}