SizeToAction.java

/*******************************************************************************
 * Copyright 2011 See AUTHORS file.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations under the License.
 ******************************************************************************/

package com.badlogic.gdx.scenes.scene2d.actions;

/**
 * Moves an actor from its current size to a specific size.
 * 
 * @author Nathan Sweet
 */
public class SizeToAction extends TemporalAction {
	private float startWidth, startHeight;
	private float endWidth, endHeight;

	protected void begin() {
		startWidth = actor.getWidth();
		startHeight = actor.getHeight();
	}

	protected void update(float percent) {
		actor.setSize(startWidth + (endWidth - startWidth) * percent, startHeight + (endHeight - startHeight) * percent);
	}

	public void setSize(float width, float height) {
		endWidth = width;
		endHeight = height;
	}

	public float getWidth() {
		return endWidth;
	}

	public void setWidth(float width) {
		endWidth = width;
	}

	public float getHeight() {
		return endHeight;
	}

	public void setHeight(float height) {
		endHeight = height;
	}
}