/*
* 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 EmitterBoxShape implements EmitterShape {
private Vector3f min, len;
public EmitterBoxShape() {
}
public EmitterBoxShape(Vector3f min, Vector3f max) {
if (min == null || max == null) {
throw new IllegalArgumentException("min or max cannot be null");
}
this.min = min;
this.len = new Vector3f();
this.len.set(max).subtractLocal(min);
}
@Override
public void getRandomPoint(Vector3f store) {
store.x = min.x + len.x * FastMath.nextRandomFloat();
store.y = min.y + len.y * FastMath.nextRandomFloat();
store.z = min.z + len.z * FastMath.nextRandomFloat();
}
/**
* This method fills the point with data.
* It does not fill the normal.
* @param store the variable to store the point data
* @param normal not used in this class
*/
@Override
public void getRandomPointAndNormal(Vector3f store, Vector3f normal) {
this.getRandomPoint(store);
}
@Override
public EmitterShape deepClone() {
try {
EmitterBoxShape clone = (EmitterBoxShape) super.clone();
clone.min = min.clone();
clone.len = len.clone();
return clone;
} catch (CloneNotSupportedException ex) {
throw new AssertionError();
}
}
public Vector3f getMin() {
return min;
}
public void setMin(Vector3f min) {
this.min = min;
}
public Vector3f getLen() {
return len;
}
public void setLen(Vector3f len) {
this.len = len;
}
@Override
public void write(JmeExporter ex) throws IOException {
OutputCapsule oc = ex.getCapsule(this);
oc.write(min, "min", null);
oc.write(len, "length", null);
}
@Override
public void read(JmeImporter im) throws IOException {
InputCapsule ic = im.getCapsule(this);
min = (Vector3f) ic.readSavable("min", null);
len = (Vector3f) ic.readSavable("length", null);
}
}