AvatarTransform.java

/**
 * Copyright (c) 2003-2009, Xith3D Project Group all rights reserved.
 * 
 * Portions based on the Java3D interface, Copyright by Sun Microsystems.
 * Many thanks to the developers of Java3D and Sun Microsystems for their
 * innovation and design.
 * 
 * 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 the 'Xith3D Project Group' 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
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package org.xith3d.scenegraph.avatar;

import org.openmali.vecmath2.Vector3f;
import org.xith3d.scenegraph.Transform3D;
import org.xith3d.scenegraph.TransformGroup;

/**
 * An AvatarTransform can be added to a {@link org.xith3d.input.FirstPersonInputHandler}.
 * It contains a Node (e.g. a Model) that is Transformed with the View.
 * 
 * @author Marvin Froehlich (aka Qudus)
 */
public interface AvatarTransform
{
    /**
     * @return the TransformGroup, that must be added to the root BranchGroup.
     */
    public TransformGroup getTransformGroup();
    
    /**
     * This is called by the {@link org.xith3d.input.FirstPersonInputHandler} each frame
     * to transform the avatar with the View.
     * 
     * @param viewTransform the current main TRansformable's (View's) Transform3D
     * @param rotX the rotation about the x-axis
     * @param rotY the rotation about the y-axis
     * @param thirdPersonOffset the offset to the view-focus in world coordinates
     */
    public void transform( Transform3D viewTransform, float rotX, float rotY, Vector3f thirdPersonOffset );
}