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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 package jme3test.bullet;
     33 
     34 import com.jme3.app.SimpleApplication;
     35 import com.jme3.bullet.BulletAppState;
     36 import com.jme3.bullet.PhysicsSpace;
     37 import com.jme3.bullet.control.RigidBodyControl;
     38 import com.jme3.material.Material;
     39 import com.jme3.math.ColorRGBA;
     40 import com.jme3.math.FastMath;
     41 import com.jme3.math.Quaternion;
     42 import com.jme3.scene.Geometry;
     43 import com.jme3.scene.Node;
     44 import com.jme3.scene.Spatial;
     45 import com.jme3.scene.shape.Box;
     46 import com.jme3.scene.shape.Cylinder;
     47 import com.jme3.scene.shape.Torus;
     48 
     49 /**
     50  * This is a basic Test of jbullet-jme functions
     51  *
     52  * @author normenhansen
     53  */
     54 public class TestCollisionShapeFactory extends SimpleApplication {
     55 
     56     private BulletAppState bulletAppState;
     57     private Material mat1;
     58     private Material mat2;
     59     private Material mat3;
     60 
     61     public static void main(String[] args) {
     62         TestCollisionShapeFactory app = new TestCollisionShapeFactory();
     63         app.start();
     64     }
     65 
     66     @Override
     67     public void simpleInitApp() {
     68         bulletAppState = new BulletAppState();
     69         stateManager.attach(bulletAppState);
     70         bulletAppState.getPhysicsSpace().enableDebug(assetManager);
     71         createMaterial();
     72 
     73         Node node = new Node("node1");
     74         attachRandomGeometry(node, mat1);
     75         randomizeTransform(node);
     76 
     77         Node node2 = new Node("node2");
     78         attachRandomGeometry(node2, mat2);
     79         randomizeTransform(node2);
     80 
     81         node.attachChild(node2);
     82         rootNode.attachChild(node);
     83 
     84         RigidBodyControl control = new RigidBodyControl(0);
     85         node.addControl(control);
     86         getPhysicsSpace().add(control);
     87 
     88         //test single geometry too
     89         Geometry myGeom = new Geometry("cylinder", new Cylinder(16, 16, 0.5f, 1));
     90         myGeom.setMaterial(mat3);
     91         randomizeTransform(myGeom);
     92         rootNode.attachChild(myGeom);
     93         RigidBodyControl control3 = new RigidBodyControl(0);
     94         myGeom.addControl(control3);
     95         getPhysicsSpace().add(control3);
     96     }
     97 
     98     private void attachRandomGeometry(Node node, Material mat) {
     99         Box box = new Box(0.25f, 0.25f, 0.25f);
    100         Torus torus = new Torus(16, 16, 0.2f, 0.8f);
    101         Geometry[] boxes = new Geometry[]{
    102             new Geometry("box1", box),
    103             new Geometry("box2", box),
    104             new Geometry("box3", box),
    105             new Geometry("torus1", torus),
    106             new Geometry("torus2", torus),
    107             new Geometry("torus3", torus)
    108         };
    109         for (int i = 0; i < boxes.length; i++) {
    110             Geometry geometry = boxes[i];
    111             geometry.setLocalTranslation((float) Math.random() * 10 -10, (float) Math.random() * 10 -10, (float) Math.random() * 10 -10);
    112             geometry.setLocalRotation(new Quaternion().fromAngles((float) Math.random() * FastMath.PI, (float) Math.random() * FastMath.PI, (float) Math.random() * FastMath.PI));
    113             geometry.setLocalScale((float) Math.random() * 10 -10, (float) Math.random() * 10 -10, (float) Math.random() * 10 -10);
    114             geometry.setMaterial(mat);
    115             node.attachChild(geometry);
    116         }
    117     }
    118 
    119     private void randomizeTransform(Spatial spat){
    120         spat.setLocalTranslation((float) Math.random() * 10, (float) Math.random() * 10, (float) Math.random() * 10);
    121         spat.setLocalTranslation((float) Math.random() * 10, (float) Math.random() * 10, (float) Math.random() * 10);
    122         spat.setLocalScale((float) Math.random() * 2, (float) Math.random() * 2, (float) Math.random() * 2);
    123     }
    124 
    125     private void createMaterial() {
    126         mat1 = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
    127         mat1.setColor("Color", ColorRGBA.Green);
    128         mat2 = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
    129         mat2.setColor("Color", ColorRGBA.Red);
    130         mat3 = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
    131         mat3.setColor("Color", ColorRGBA.Yellow);
    132     }
    133 
    134     private PhysicsSpace getPhysicsSpace() {
    135         return bulletAppState.getPhysicsSpace();
    136     }
    137 }
    138