simplesoundsbehavior.java

Java 多媒体技术(附源码) Java 3D API JavaSound API 各种格式的多媒体数据文件 JBuilder开发环境

package sound3d;

import javax.media.j3d.*;
import javax.vecmath.*;
import java.net.URL;
import java.util.Enumeration;

public class SimpleSoundsBehavior extends Behavior {
	WakeupOnElapsedTime  wt;
	WakeupOnBehaviorPost wp;
        BackgroundSound      sound1 = new BackgroundSound();
        PointSound           sound2 = new PointSound();
        PointSound           sound3 = new PointSound();
        static int           WAKEUP_SOUND = 0;
        int                  soundIndex = 0;
        URL                  URLName1;
        URL                  URLName2;
        URL                  URLName3;
        BoundingSphere       bounds;

	public void initialize() {
            MediaContainer sample1  = new MediaContainer();
            MediaContainer sample2  = new MediaContainer();
            MediaContainer sample3  = new MediaContainer();
            sample1.setCapability(MediaContainer.ALLOW_URL_WRITE);
            sample1.setCapability(MediaContainer.ALLOW_URL_READ);
            sample1.setURLObject(URLName1);
            sample1.setCacheEnable(false);
            sound1.setLoop(0);
            sound1.setContinuousEnable(false);
            sound1.setReleaseEnable(false);
            sound1.setSoundData(sample1);
            sound1.setInitialGain(0.7f);
            sample2.setCapability(MediaContainer.ALLOW_URL_WRITE);
            sample2.setCapability(MediaContainer.ALLOW_URL_READ);
            sample2.setURLObject(URLName2);
            sound2.setLoop(Sound.INFINITE_LOOPS);
            sound2.setContinuousEnable(false);
            sound2.setReleaseEnable(false);
            sound2.setSoundData(sample2);
            sound2.setInitialGain(2.0f);
            Point3f sound2Pos = new Point3f(-30.0f, 0.0f, 0.0f);
            sound2.setPosition(sound2Pos);
            sample3.setCapability(MediaContainer.ALLOW_URL_WRITE);
            sample3.setCapability(MediaContainer.ALLOW_URL_READ);
            sample3.setURLObject(URLName3);
            sound3.setContinuousEnable(false);
            sound3.setReleaseEnable(false);
            sound3.setSoundData(sample3);
            sound3.setInitialGain(4.0f);
            Point3f sound3Pos = new Point3f(30.0f, 0.0f, 0.0f);
            sound3.setPosition(sound3Pos);

	    wt = new WakeupOnElapsedTime(2000);
	    WakeupOnElapsedTime wp = new WakeupOnElapsedTime(5000);
	    wakeupOn(wp);
	}

	public void processStimulus(Enumeration criteria) {

            switch (soundIndex)
            {
                case 0:
                    sound1.setEnable(true);
	            wakeupOn(wt);
                    break;
                case 1:
                    sound2.setEnable(true);
	            wakeupOn(wt);
                    break;
                case 2:
                case 4:
                case 6:
                case 8:
                case 10:
                    sound3.setEnable(true);
	            wakeupOn(wt);
                    break;
                case 3:
                case 5:
                case 7:
                case 9:
                    sound3.setEnable(false);
	            wakeupOn(wt);
                    break;

                case 11:
                    sound2.setEnable(false) ;
	            wakeupOn(wt);
                    break;
                case 12:
                    sound1.setEnable(false) ;
                    wt = new WakeupOnElapsedTime(400000);
	            wakeupOn(wt);
                    break;

                default:
                    break;
            }
            soundIndex++;
	}
	public SimpleSoundsBehavior(BackgroundSound sound1,
	                            PointSound sound2,
	                            PointSound sound3,
                                    URL urlName1,
                                    URL urlName2,
                                    URL urlName3,
                                    BoundingSphere soundBounds) {
            this.sound1 = sound1;
            this.sound2 = sound2;
            this.sound3 = sound3;
            this.URLName1 = urlName1;
            this.URLName2 = urlName2;
            this.URLName3 = urlName3;
            this.bounds = (BoundingSphere)soundBounds.clone();
	}
}