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      1 /*
      2  * Copyright (c) 2009-2010 jMonkeyEngine
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions are
      7  * met:
      8  *
      9  * * Redistributions of source code must retain the above copyright
     10  *   notice, this list of conditions and the following disclaimer.
     11  *
     12  * * Redistributions in binary form must reproduce the above copyright
     13  *   notice, this list of conditions and the following disclaimer in the
     14  *   documentation and/or other materials provided with the distribution.
     15  *
     16  * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
     17  *   may be used to endorse or promote products derived from this software
     18  *   without specific prior written permission.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     23  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
     24  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     25  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     26  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     27  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
     28  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
     29  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     30  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 package jme3test.helloworld;
     34 
     35 import com.jme3.app.SimpleApplication;
     36 import com.jme3.material.Material;
     37 import com.jme3.math.ColorRGBA;
     38 import com.jme3.math.Vector3f;
     39 import com.jme3.scene.Geometry;
     40 import com.jme3.scene.shape.Box;
     41 
     42 /** Sample 4 - how to trigger repeating actions from the main event loop.
     43  * In this example, you use the loop to make the player character
     44  * rotate continuously. */
     45 public class HelloLoop extends SimpleApplication {
     46 
     47     public static void main(String[] args){
     48         HelloLoop app = new HelloLoop();
     49         app.start();
     50     }
     51 
     52     protected Geometry player;
     53 
     54     @Override
     55     public void simpleInitApp() {
     56         /** this blue box is our player character */
     57         Box b = new Box(Vector3f.ZERO, 1, 1, 1);
     58         player = new Geometry("blue cube", b);
     59         Material mat = new Material(assetManager,
     60           "Common/MatDefs/Misc/Unshaded.j3md");
     61         mat.setColor("Color", ColorRGBA.Blue);
     62         player.setMaterial(mat);
     63         rootNode.attachChild(player);
     64     }
     65 
     66     /* Use the main event loop to trigger repeating actions. */
     67     @Override
     68     public void simpleUpdate(float tpf) {
     69         // make the player rotate:
     70         player.rotate(0, 2*tpf, 0);
     71     }
     72 }