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 Bartapackage com.jme3.effect.shapes; 3359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 3459b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.export.InputCapsule; 3559b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.export.JmeExporter; 3659b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.export.JmeImporter; 3759b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.export.OutputCapsule; 3859b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.math.FastMath; 3959b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.math.Vector3f; 4059b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport java.io.IOException; 4159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 4259b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartapublic class EmitterSphereShape implements EmitterShape { 4359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 4459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private Vector3f center; 4559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private float radius; 4659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 4759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public EmitterSphereShape() { 4859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 4959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 5059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public EmitterSphereShape(Vector3f center, float radius) { 5159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if (center == null) { 5259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta throw new NullPointerException(); 5359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 5459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 5559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if (radius <= 0) { 5659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta throw new IllegalArgumentException("Radius must be greater than 0"); 5759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 5859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 5959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.center = center; 6059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.radius = radius; 6159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 6259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 6359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta @Override 6459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public EmitterShape deepClone() { 6559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta try { 6659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta EmitterSphereShape clone = (EmitterSphereShape) super.clone(); 6759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta clone.center = center.clone(); 6859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return clone; 6959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } catch (CloneNotSupportedException ex) { 7059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta throw new AssertionError(); 7159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 7259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 7359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 7459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta @Override 7559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void getRandomPoint(Vector3f store) { 7659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta do { 7759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta store.x = (FastMath.nextRandomFloat() * 2f - 1f) * radius; 7859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta store.y = (FastMath.nextRandomFloat() * 2f - 1f) * radius; 7959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta store.z = (FastMath.nextRandomFloat() * 2f - 1f) * radius; 8059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } while (store.distance(center) > radius); 8159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 8259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 8359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta @Override 8459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void getRandomPointAndNormal(Vector3f store, Vector3f normal) { 8559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.getRandomPoint(store); 8659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 8759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 8859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public Vector3f getCenter() { 8959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return center; 9059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 9159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 9259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void setCenter(Vector3f center) { 9359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.center = center; 9459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 9559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 9659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public float getRadius() { 9759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return radius; 9859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 9959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 10059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void setRadius(float radius) { 10159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.radius = radius; 10259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 10359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 10459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta @Override 10559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void write(JmeExporter ex) throws IOException { 10659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta OutputCapsule oc = ex.getCapsule(this); 10759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta oc.write(center, "center", null); 10859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta oc.write(radius, "radius", 0); 10959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 11059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 11159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta @Override 11259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void read(JmeImporter im) throws IOException { 11359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta InputCapsule ic = im.getCapsule(this); 11459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta center = (Vector3f) ic.readSavable("center", null); 11559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta radius = ic.readFloat("radius", 0); 11659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 11759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta} 118