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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.light;
     34 
     35 import com.jme3.app.SimpleApplication;
     36 import com.jme3.light.DirectionalLight;
     37 import com.jme3.light.PointLight;
     38 import com.jme3.material.Material;
     39 import com.jme3.math.ColorRGBA;
     40 import com.jme3.math.FastMath;
     41 import com.jme3.math.Vector3f;
     42 import com.jme3.scene.Geometry;
     43 import com.jme3.scene.Spatial;
     44 import com.jme3.scene.shape.Sphere;
     45 import com.jme3.util.TangentBinormalGenerator;
     46 
     47 public class TestTangentGenBadUV extends SimpleApplication {
     48 
     49     float angle;
     50     PointLight pl;
     51     Geometry lightMdl;
     52 
     53     public static void main(String[] args){
     54         TestTangentGenBadUV app = new TestTangentGenBadUV();
     55         app.start();
     56     }
     57 
     58     @Override
     59     public void simpleInitApp() {
     60         Spatial teapot = assetManager.loadModel("Models/Teapot/Teapot.obj");
     61         if (teapot instanceof Geometry){
     62             Geometry g = (Geometry) teapot;
     63             TangentBinormalGenerator.generate(g.getMesh());
     64         }else{
     65             throw new RuntimeException();
     66         }
     67         teapot.setLocalScale(2f);
     68         Material mat = assetManager.loadMaterial("Textures/BumpMapTest/Tangent.j3m");
     69         teapot.setMaterial(mat);
     70         rootNode.attachChild(teapot);
     71 
     72         Geometry debug = new Geometry(
     73                 "Debug Teapot",
     74                 TangentBinormalGenerator.genTbnLines(((Geometry) teapot).getMesh(), 0.03f)
     75         );
     76         Material debugMat = assetManager.loadMaterial("Common/Materials/VertexColor.j3m");
     77         debug.setMaterial(debugMat);
     78         debug.setCullHint(Spatial.CullHint.Never);
     79         debug.getLocalTranslation().set(teapot.getLocalTranslation());
     80         debug.getLocalScale().set(teapot.getLocalScale());
     81         rootNode.attachChild(debug);
     82 
     83 
     84         DirectionalLight dl = new DirectionalLight();
     85         dl.setDirection(new Vector3f(1,-1,-1).normalizeLocal());
     86         dl.setColor(ColorRGBA.White);
     87         rootNode.addLight(dl);
     88 
     89         lightMdl = new Geometry("Light", new Sphere(10, 10, 0.1f));
     90         lightMdl.setMaterial(assetManager.loadMaterial("Common/Materials/RedColor.j3m"));
     91         lightMdl.getMesh().setStatic();
     92         rootNode.attachChild(lightMdl);
     93 
     94         pl = new PointLight();
     95         pl.setColor(ColorRGBA.White);
     96         //pl.setRadius(3f);
     97         rootNode.addLight(pl);
     98     }
     99 
    100     @Override
    101     public void simpleUpdate(float tpf){
    102         angle += tpf;
    103         angle %= FastMath.TWO_PI;
    104 
    105         pl.setPosition(new Vector3f(FastMath.cos(angle) * 2f, 0.5f, FastMath.sin(angle) * 2f));
    106         lightMdl.setLocalTranslation(pl.getPosition());
    107     }
    108 
    109 }
    110