/**
* Copyright 2008 - 2012
*
* 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.
*
* @project loon
* @author cping
* @email：javachenpeng@yahoo.com
* @version 0.3.3
*/
package loon.action.sprite.node;
public class LNEase extends LNAction {
protected LNAction _action;
LNEase() {
}
/**
* 由于LNEasing类已经实现了具体的Ease算法，因此EaseAction并没有存在多个的必要， 替换不同LNEasing即可实现不同效果。
*
* @param act
* @param e
* @return
*/
public static LNEase Action(Easing e, LNAction act) {
LNEase action = new LNEase();
action._duration = act._duration;
action._action = act;
act._easing = e;
return action;
}
@Override
public void setTarget(LNNode node) {
super.setTarget(node);
if (_action != null) {
_action.setTarget(node);
}
}
@Override
public void step(float dt) {
if (_action != null) {
_action.step(dt);
_isEnd = _action.isEnd();
}
}
@Override
public LNAction copy() {
return Action(_easing, _action);
}
}