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

// User-defined frame moving behavior class
public class FrameBehavior extends Behavior {
	Alpha alpha;
	Curve3f fun;
	float scale;
	TransformGroup tg;

	//Morph morph;
	//double weights[];

	WakeupOnElapsedFrames w = new WakeupOnElapsedFrames(0);

	// Override Behavior's initialize method to setup wakeup criteria
	public void initialize() {
		alpha.setStartTime(System.currentTimeMillis());

		// Establish initial wakeup criteria
		wakeupOn(w);
	}

	// Override Behavior's stimulus method to handle the event
	public void processStimulus(Enumeration criteria) {
		float val = (float) (scale* alpha.value());

		//System.out.println ( "Value is " + val );

		tg.setTransform( fun.frameAt ( val ) );

		// Set wakeup criteria for next time
		wakeupOn(w);
	}

	public FrameBehavior(Alpha a, Curve3f h, float s, TransformGroup tgp ) {
		alpha = a;
		fun = h;
		scale = s;
		tg = tgp;
	}
}