/*
* Copyright (c) 2009-2012 jMonkeyEngine
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of 'jMonkeyEngine' nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.jme3.effect.shapes;
import com.jme3.export.InputCapsule;
import com.jme3.export.JmeExporter;
import com.jme3.export.JmeImporter;
import com.jme3.export.OutputCapsule;
import com.jme3.math.FastMath;
import com.jme3.math.Vector3f;
import java.io.IOException;
public class EmitterSphereShape implements EmitterShape {
private Vector3f center;
private float radius;
public EmitterSphereShape() {
}
public EmitterSphereShape(Vector3f center, float radius) {
if (center == null) {
throw new IllegalArgumentException("center cannot be null");
}
if (radius <= 0) {
throw new IllegalArgumentException("Radius must be greater than 0");
}
this.center = center;
this.radius = radius;
}
@Override
public EmitterShape deepClone() {
try {
EmitterSphereShape clone = (EmitterSphereShape) super.clone();
clone.center = center.clone();
return clone;
} catch (CloneNotSupportedException ex) {
throw new AssertionError();
}
}
@Override
public void getRandomPoint(Vector3f store) {
do {
store.x = (FastMath.nextRandomFloat() * 2f - 1f) * radius;
store.y = (FastMath.nextRandomFloat() * 2f - 1f) * radius;
store.z = (FastMath.nextRandomFloat() * 2f - 1f) * radius;
} while (store.distance(center) > radius);
}
@Override
public void getRandomPointAndNormal(Vector3f store, Vector3f normal) {
this.getRandomPoint(store);
}
public Vector3f getCenter() {
return center;
}
public void setCenter(Vector3f center) {
this.center = center;
}
public float getRadius() {
return radius;
}
public void setRadius(float radius) {
this.radius = radius;
}
@Override
public void write(JmeExporter ex) throws IOException {
OutputCapsule oc = ex.getCapsule(this);
oc.write(center, "center", null);
oc.write(radius, "radius", 0);
}
@Override
public void read(JmeImporter im) throws IOException {
InputCapsule ic = im.getCapsule(this);
center = (Vector3f) ic.readSavable("center", null);
radius = ic.readFloat("radius", 0);
}
}