engine/src/test/jme3test/material/TestColoredTexture.java

/*
 * Copyright (c) 2009-2010 jMonkeyEngine
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * * Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 *
 * * Redistributions 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 'jMonkeyEngine' nor the names of its contributors
 *   may be used to endorse or promote products derived from this software
 *   without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package jme3test.material;

import com.jme3.app.SimpleApplication;
import com.jme3.material.Material;
import com.jme3.math.ColorRGBA;
import com.jme3.renderer.queue.RenderQueue.Bucket;
import com.jme3.scene.Geometry;
import com.jme3.scene.shape.Quad;

public class TestColoredTexture extends SimpleApplication {

    private float time = 0;
    private ColorRGBA nextColor;
    private ColorRGBA prevColor;
    private Material mat;

    public static void main(String[] args){
        TestColoredTexture app = new TestColoredTexture();
        app.start();
    }

    @Override
    public void simpleInitApp() {
        Quad quadMesh = new Quad(512,512);
        Geometry quad = new Geometry("Quad", quadMesh);
        quad.setQueueBucket(Bucket.Gui);

        mat = new Material(assetManager, "Common/MatDefs/Misc/ColoredTextured.j3md");
        mat.setTexture("ColorMap", assetManager.loadTexture("Textures/ColoredTex/Monkey.png"));
        quad.setMaterial(mat);
        guiNode.attachChildAt(quad, 0);

        nextColor = ColorRGBA.randomColor();
        prevColor = ColorRGBA.Black;
    }

    @Override
    public void simpleUpdate(float tpf){
        time += tpf;
        if (time > 1f){
            time -= 1f;
            prevColor = nextColor;
            nextColor = ColorRGBA.randomColor();
        }
        ColorRGBA currentColor = new ColorRGBA();
        currentColor.interpolate(prevColor, nextColor, time);

        mat.setColor("Color", currentColor);
    }

}