/**
* Java Modular Image Synthesis Toolkit (JMIST)
* Copyright (C) 2008-2013 Bradley W. Kimmel
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
package ca.eandb.jmist.framework.material;
import ca.eandb.jmist.framework.Painter;
import ca.eandb.jmist.framework.ScatteredRay;
import ca.eandb.jmist.framework.SurfacePoint;
import ca.eandb.jmist.framework.color.Spectrum;
import ca.eandb.jmist.framework.color.WavelengthPacket;
import ca.eandb.jmist.framework.painter.UniformPainter;
import ca.eandb.jmist.math.Optics;
import ca.eandb.jmist.math.Ray3;
import ca.eandb.jmist.math.Vector3;
/**
* An ideally reflective <code>Material</code>.
* @author Brad Kimmel
*/
public final class MirrorMaterial extends OpaqueMaterial {
/**
* Serialization version ID.
*/
private static final long serialVersionUID = 3451068808276962270L;
/**
* Creates a new <code>MirrorMaterial</code>.
* @param reflectance The reflectance <code>Painter</code> of this mirror.
*/
public MirrorMaterial(Painter reflectance) {
this.reflectance = reflectance;
}
/**
* Creates a new <code>MirrorMaterial</code>.
* @param reflectance The reflectance <code>Spectrum</code> of this mirror.
*/
public MirrorMaterial(Spectrum reflectance) {
this(new UniformPainter(reflectance));
}
/* (non-Javadoc)
* @see ca.eandb.jmist.framework.material.AbstractMaterial#scatter(ca.eandb.jmist.framework.SurfacePoint, ca.eandb.jmist.math.Vector3, boolean, ca.eandb.jmist.framework.color.WavelengthPacket, double, double, double)
*/
@Override
public ScatteredRay scatter(SurfacePoint x, Vector3 v, boolean adjoint, WavelengthPacket lambda, double ru, double rv, double rj) {
Vector3 out = Optics.reflect(v, x.getShadingNormal());
return ScatteredRay.specular(new Ray3(x.getPosition(), out),
reflectance.getColor(x, lambda), 1.0);
}
/**
* The reflectance <code>Painter</code> of this
* <code>MirrorMaterial</code>.
*/
private final Painter reflectance;
}