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/*
* Copyright (c) 2007 Sun Microsystems, Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* - Redistribution of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistribution 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 Sun Microsystems, Inc. or the names of
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
* INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
* MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
* ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
* DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
* ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
* DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
* DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
* ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
* SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*
* You acknowledge that this software is not designed or intended for use
* in the design, construction, operation or maintenance of any nuclear
* facility.
*
*/
package net.java.joglutils.msg.nodes;
import net.java.joglutils.msg.actions.*;
import net.java.joglutils.msg.elements.*;
import net.java.joglutils.msg.math.*;
/** Represents a generalized 4x4 matrix transformation. */
public class Transform extends Node {
private Mat4f transform;
static {
// Enable the elements this node affects for known actions
// Note that all of these elements are interdependent
GLModelMatrixElement .enable(GLRenderAction.getDefaultState());
GLProjectionMatrixElement .enable(GLRenderAction.getDefaultState());
GLViewingMatrixElement .enable(GLRenderAction.getDefaultState());
}
public Transform() {
transform = new Mat4f();
transform.makeIdent();
}
/** Sets the transformation in thie node. */
public void setTransform(Mat4f transform) {
this.transform.set(transform);
}
/** Returns the transformation in thie node. */
public Mat4f getTransform() {
return transform;
}
public void doAction(Action action) {
if (ModelMatrixElement.isEnabled(action.getState())) {
ModelMatrixElement.mult(action.getState(), getTransform());
}
}
}
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