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package com.jogamp.openal;

/**
* Copyright (c) 2003 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.
*/
import java.io.*;
import javax.sound.sampled.*;
import com.jogamp.openal.sound3d.*;

/**
 * @author Athomas Goldberg
 *
 */
public class Sound3DTest {

	public static float lerp(float v1, float v2, float t) {
		float result = 0;
		result = v1 + ((v2-v1) * t);
		return result;
	}

	public static void main(String[] args) {
		try {
			AudioSystem3D.init();
		} catch (ALException e) {
            e.printStackTrace();
            return;
		}
		
		// create the initial context - this can be collapsed into the init.
		Device device = AudioSystem3D.openDevice(null);
		Context context = AudioSystem3D.createContext(device);
		AudioSystem3D.makeContextCurrent(context);
		
		// get the listener object
		Listener listener = AudioSystem3D.getListener();
		listener.setPosition(0,0,0);
		
		// load a source and play it
        try {
            Source source1 = AudioSystem3D.loadSource("lewiscarroll.wav");
            source1.setPosition(0,0,0);
            source1.setLooping(true);
            source1.play();
		
    		try {
    			Thread.sleep(10000);
    		} catch (InterruptedException e) {
    		
    		}
    		
    		// move the source
    		source1.setPosition(1,1,1);
    		
    		// move the listener
    		for(int i = 0; i < 1000; i++) {
    			float t = ((float)i)/1000f;
    			float lp = lerp(0f,2f,t);
    			listener.setPosition(lp,lp,lp);
    			try {
    				Thread.sleep(10);
    			} catch (InterruptedException e) {
    
    			}
    		}
    		
    		// fade listener out.
    		for(int i = 0; i < 1000; i++) {
    			float t = ((float)i)/1000f;
    			float lp = lerp(1f,0f,t);
    			listener.setGain(lp);
    			try {
    				Thread.sleep(10);
    			} catch (InterruptedException e) {
    			}
    		}
    				
    		source1.stop();
    		source1.delete();
    		context.destroy();
    		device.close();
        } catch (IOException e) {
            e.printStackTrace();
        } catch (UnsupportedAudioFileException e) {
            e.printStackTrace();
        }
	}
}