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.renderer; 34 35 import com.jme3.app.SimpleApplication; 36 import com.jme3.input.KeyInput; 37 import com.jme3.input.controls.AnalogListener; 38 import com.jme3.input.controls.KeyTrigger; 39 import com.jme3.light.DirectionalLight; 40 import com.jme3.math.ColorRGBA; 41 import com.jme3.math.Vector3f; 42 import com.jme3.scene.Geometry; 43 44 public class TestParallelProjection extends SimpleApplication implements AnalogListener { 45 46 private float frustumSize = 1; 47 48 public static void main(String[] args){ 49 TestParallelProjection app = new TestParallelProjection(); 50 app.start(); 51 } 52 53 public void simpleInitApp() { 54 Geometry teaGeom = (Geometry) assetManager.loadModel("Models/Teapot/Teapot.obj"); 55 56 DirectionalLight dl = new DirectionalLight(); 57 dl.setColor(ColorRGBA.White); 58 dl.setDirection(Vector3f.UNIT_XYZ.negate()); 59 60 rootNode.addLight(dl); 61 rootNode.attachChild(teaGeom); 62 63 // Setup first view 64 cam.setParallelProjection(true); 65 float aspect = (float) cam.getWidth() / cam.getHeight(); 66 cam.setFrustum(-1000, 1000, -aspect * frustumSize, aspect * frustumSize, frustumSize, -frustumSize); 67 68 inputManager.addListener(this, "Size+", "Size-"); 69 inputManager.addMapping("Size+", new KeyTrigger(KeyInput.KEY_W)); 70 inputManager.addMapping("Size-", new KeyTrigger(KeyInput.KEY_S)); 71 } 72 73 public void onAnalog(String name, float value, float tpf) { 74 // Instead of moving closer/farther to object, we zoom in/out. 75 if (name.equals("Size-")) 76 frustumSize += 0.3f * tpf; 77 else 78 frustumSize -= 0.3f * tpf; 79 80 float aspect = (float) cam.getWidth() / cam.getHeight(); 81 cam.setFrustum(-1000, 1000, -aspect * frustumSize, aspect * frustumSize, frustumSize, -frustumSize); 82 } 83 } 84
