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.shape; 3459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 3559b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.export.InputCapsule; 3659b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.export.JmeExporter; 3759b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.export.JmeImporter; 3859b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.export.OutputCapsule; 3959b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.math.Vector3f; 4059b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.scene.Mesh; 4159b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.scene.VertexBuffer; 4259b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.scene.VertexBuffer.Type; 4359b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport java.io.IOException; 4459b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport java.nio.FloatBuffer; 4559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 4659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta/** 4759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * A simple line implementation with a start and an end. 4859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 4959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @author Brent Owens 5059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 5159b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartapublic class Line extends Mesh { 5259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 5359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private Vector3f start; 5459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private Vector3f end; 5559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 5659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public Line() { 5759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 5859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 5959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public Line(Vector3f start, Vector3f end) { 6059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta setMode(Mode.Lines); 6159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta updateGeometry(start, end); 6259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 6359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 6459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta protected void updateGeometry(Vector3f start, Vector3f end) { 6559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.start = start; 6659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.end = end; 6759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta setBuffer(Type.Position, 3, new float[]{start.x, start.y, start.z, 6859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta end.x, end.y, end.z,}); 6959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 7059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 7159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta setBuffer(Type.TexCoord, 2, new float[]{0, 0, 7259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 1, 1}); 7359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 7459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta setBuffer(Type.Normal, 3, new float[]{0, 0, 1, 7559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 0, 0, 1}); 7659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 7759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta setBuffer(Type.Index, 3, new short[]{0, 1}); 7859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 7959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta updateBound(); 8059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 8159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 8259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 8359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Update the start and end points of the line. 8459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 8559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void updatePoints(Vector3f start, Vector3f end) { 8659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta VertexBuffer posBuf = getBuffer(Type.Position); 8759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 8859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta FloatBuffer fb = (FloatBuffer) posBuf.getData(); 8959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 9059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta fb.put(start.x).put(start.y).put(start.z); 9159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta fb.put(end.x).put(end.y).put(end.z); 9259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 9359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta posBuf.updateData(fb); 9459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 9559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta updateBound(); 9659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 9759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 9859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public Vector3f getEnd() { 9959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return end; 10059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 10159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 10259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public Vector3f getStart() { 10359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return start; 10459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 10559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 10659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta @Override 10759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void write(JmeExporter ex) throws IOException { 10859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta super.write(ex); 10959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta OutputCapsule out = ex.getCapsule(this); 11059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 11159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta out.write(start, "startVertex", null); 11259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta out.write(end, "endVertex", null); 11359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 11459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 11559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta @Override 11659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void read(JmeImporter im) throws IOException { 11759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta super.read(im); 11859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta InputCapsule in = im.getCapsule(this); 11959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 12059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta start = (Vector3f) in.readSavable("startVertex", null); 12159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta end = (Vector3f) in.readSavable("endVertex", null); 12259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 12359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta} 124