diff options
Diffstat (limited to 'engine/src/core/com/jme3/effect/shapes/EmitterBoxShape.java')
-rw-r--r-- | engine/src/core/com/jme3/effect/shapes/EmitterBoxShape.java | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/engine/src/core/com/jme3/effect/shapes/EmitterBoxShape.java b/engine/src/core/com/jme3/effect/shapes/EmitterBoxShape.java new file mode 100644 index 0000000..9838dd2 --- /dev/null +++ b/engine/src/core/com/jme3/effect/shapes/EmitterBoxShape.java @@ -0,0 +1,118 @@ +/* + * Copyright (c) 2009-2010 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 NullPointerException(); + } + + 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); + } +} |