159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta/* 259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Copyright (c) 2009-2010 jMonkeyEngine 359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * All rights reserved. 459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Redistribution and use in source and binary forms, with or without 659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * modification, are permitted provided that the following conditions are 759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * met: 859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * * Redistributions of source code must retain the above copyright 1059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * notice, this list of conditions and the following disclaimer. 1159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 1259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * * Redistributions in binary form must reproduce the above copyright 1359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * notice, this list of conditions and the following disclaimer in the 1459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * documentation and/or other materials provided with the distribution. 1559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 1659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * * Neither the name of 'jMonkeyEngine' nor the names of its contributors 1759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * may be used to endorse or promote products derived from this software 1859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * without specific prior written permission. 1959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 2059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 2159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 2259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 2359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 2459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 2559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 2659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 2759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 2859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 2959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 3059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 3159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 3259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 3359b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartapackage jme3test.collision; 3459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 3559b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.collision.CollisionResults; 3659b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.math.Ray; 3759b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.math.Vector2f; 3859b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.math.Vector3f; 3959b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.renderer.Camera; 4059b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.scene.Spatial; 4159b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport java.awt.FlowLayout; 4259b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport java.awt.image.BufferedImage; 4359b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport javax.swing.ImageIcon; 4459b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport javax.swing.JFrame; 4559b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport javax.swing.JLabel; 4659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 4759b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartapublic class RayTrace { 4859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 4959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private BufferedImage image; 5059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private Camera cam; 5159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private Spatial scene; 5259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private CollisionResults results = new CollisionResults(); 5359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private JFrame frame; 5459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private JLabel label; 5559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 5659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public RayTrace(Spatial scene, Camera cam, int width, int height){ 5759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); 5859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.scene = scene; 5959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.cam = cam; 6059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 6159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 6259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void show(){ 6359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta frame = new JFrame("HDR View"); 6459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta label = new JLabel(new ImageIcon(image)); 6559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta frame.getContentPane().add(label); 6659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta frame.setLayout(new FlowLayout()); 6759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta frame.pack(); 6859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta frame.setVisible(true); 6959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 7059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 7159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void update(){ 7259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta int w = image.getWidth(); 7359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta int h = image.getHeight(); 7459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 7559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta float wr = (float) cam.getWidth() / image.getWidth(); 7659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta float hr = (float) cam.getHeight() / image.getHeight(); 7759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 7859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta scene.updateGeometricState(); 7959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 8059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta for (int y = 0; y < h; y++){ 8159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta for (int x = 0; x < w; x++){ 8259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta Vector2f v = new Vector2f(x * wr,y * hr); 8359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta Vector3f pos = cam.getWorldCoordinates(v, 0.0f); 8459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta Vector3f dir = cam.getWorldCoordinates(v, 0.3f); 8559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta dir.subtractLocal(pos).normalizeLocal(); 8659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 8759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta Ray r = new Ray(pos, dir); 8859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 8959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta results.clear(); 9059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta scene.collideWith(r, results); 9159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if (results.size() > 0){ 9259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta image.setRGB(x, h - y - 1, 0xFFFFFFFF); 9359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta }else{ 9459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta image.setRGB(x, h - y - 1, 0xFF000000); 9559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 9659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 9759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 9859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 9959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta label.repaint(); 10059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 10159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 10259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta} 103