BezierTo.java

package loon.action;

import loon.geom.Bezier;
import loon.geom.Vector2f;
import loon.utils.Easing.EasingMode;

public class BezierTo extends BezierBy {

	final Bezier originalconfig;

	public BezierTo(float duration, Bezier b) {
		this(-1, -1, duration, EasingMode.Linear, b);
	}

	public BezierTo(float sx, float sy, float duration, Bezier b) {
		this(sx, sy, duration, EasingMode.Linear, b);
	}

	public BezierTo(float sx, float sy, float duration, EasingMode mode,
			Bezier b) {
		super(sx, sy, duration, mode, b);
		originalconfig = new Bezier();
		originalconfig.controlPoint1 = Vector2f.at(b.controlPoint1.x,
				b.controlPoint1.y);
		originalconfig.controlPoint2 = Vector2f.at(b.controlPoint2.x,
				b.controlPoint2.y);
		originalconfig.endPosition = Vector2f.at(b.endPosition.x,
				b.endPosition.y);
	}

	@Override
	public void onLoad() {
		super.onLoad();
		Vector2f startPosition = new Vector2f(startX, startY);
		bezier.controlPoint1.set(Vector2f.subNew(originalconfig.controlPoint1,
				startPosition));
		bezier.controlPoint2.set(Vector2f.subNew(originalconfig.controlPoint2,
				startPosition));
		bezier.endPosition.set(Vector2f.subNew(originalconfig.endPosition,
				startPosition));
	}

	@Override
	public boolean isComplete() {
		return _isCompleted;
	}

	@Override
	public ActionEvent cpy() {
		BezierTo bto = new BezierTo(startX, startY, easeTimer.getDuration(),
				easeTimer.getEasingMode(), bezier.cpy());
		bto.set(this);
		return bto;
	}

	@Override
	public ActionEvent reverse() {
		Bezier b = new Bezier();
		b.endPosition = bezier.endPosition.negate();
		b.controlPoint1 = Vector2f.addNew(bezier.controlPoint2,
				bezier.endPosition.negate());
		b.controlPoint2 = Vector2f.addNew(bezier.controlPoint1,
				bezier.endPosition.negate());
		BezierTo bto = new BezierTo(startX, startY, easeTimer.getDuration(),
				easeTimer.getEasingMode(), b);
		bto.set(this);
		return bto;
	}

	@Override
	public String getName() {
		return "bezierto";
	}

}