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 com.jme3.scene.debug; 3459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 3559b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.scene.Mesh; 3659b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.scene.Mesh.Mode; 3759b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.scene.VertexBuffer.Type; 3859b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.util.BufferUtils; 3959b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport java.nio.FloatBuffer; 4059b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport java.nio.ShortBuffer; 4159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 4259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta/** 4359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Simple grid shape. 4459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 4559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @author Kirill Vainer 4659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 4759b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartapublic class Grid extends Mesh { 4859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 4959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 5059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Creates a grid debug shape. 5159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param xLines 5259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param yLines 5359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param lineDist 5459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 5559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public Grid(int xLines, int yLines, float lineDist){ 5659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta xLines -= 2; 5759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta yLines -= 2; 5859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta int lineCount = xLines + yLines + 4; 5959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 6059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta FloatBuffer fpb = BufferUtils.createFloatBuffer(6 * lineCount); 6159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta ShortBuffer sib = BufferUtils.createShortBuffer(2 * lineCount); 6259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 6359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta float xLineLen = (yLines + 1) * lineDist; 6459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta float yLineLen = (xLines + 1) * lineDist; 6559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta int curIndex = 0; 6659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 6759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // add lines along X 6859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta for (int i = 0; i < xLines + 2; i++){ 6959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta float y = (i) * lineDist; 7059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 7159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // positions 7259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta fpb.put(0) .put(0).put(y); 7359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta fpb.put(xLineLen).put(0).put(y); 7459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 7559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // indices 7659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta sib.put( (short) (curIndex++) ); 7759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta sib.put( (short) (curIndex++) ); 7859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 7959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 8059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // add lines along Y 8159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta for (int i = 0; i < yLines + 2; i++){ 8259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta float x = (i) * lineDist; 8359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 8459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // positions 8559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta fpb.put(x).put(0).put(0); 8659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta fpb.put(x).put(0).put(yLineLen); 8759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 8859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // indices 8959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta sib.put( (short) (curIndex++) ); 9059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta sib.put( (short) (curIndex++) ); 9159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 9259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 9359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta fpb.flip(); 9459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta sib.flip(); 9559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 9659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta setBuffer(Type.Position, 3, fpb); 9759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta setBuffer(Type.Index, 2, sib); 9859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 9959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta setMode(Mode.Lines); 10059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 10159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta updateBound(); 10259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta updateCounts(); 10359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 10459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 10559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta} 106