1 goog.provide('lime.animation.RotateTo');
  2 
  3 
  4 goog.require('lime.Sprite');
  5 goog.require('lime.animation.Animation');
  6 
  7 /**
  8  * Rotate to given angle in degrees
  9  * @constructor
 10  * @param {number} angle Target rotation value.
 11  * @extends lime.animation.Animation
 12  */
 13 lime.animation.RotateTo = function(angle) {
 14     lime.animation.Animation.call(this);
 15 
 16     this.angle_ = angle;
 17 
 18 };
 19 goog.inherits(lime.animation.RotateTo, lime.animation.Animation);
 20 
 21 /**
 22  * @inheritDoc
 23  */
 24 lime.animation.RotateTo.prototype.scope = 'rotate';
 25 
 26 /**
 27  * @inheritDoc
 28  * @see lime.animation.Animation#makeTargetProp
 29  */
 30 lime.animation.RotateTo.prototype.makeTargetProp = function(target) {
 31     var rot = target.getRotation();
 32     if (this.useTransitions()) {
 33         target.addTransition(lime.Transition.ROTATION,
 34             this.angle_,
 35             this.duration_, this.getEasing()
 36         );
 37         target.setDirty(lime.Dirty.POSITION);
 38     }
 39     return {startRot: rot, delta: this.angle_ - rot };
 40 };
 41 
 42 /**
 43  * @inheritDoc
 44  * @see lime.animation.Animation#update
 45  */
 46 lime.animation.RotateTo.prototype.update = function(t, target) {
 47     if (this.status_ == 0) return;
 48     var prop = this.getTargetProp(target);
 49     target.setRotation(prop.startRot + prop.delta * t);
 50 };
 51 
 52 /**
 53  * @inheritDoc
 54  * @see lime.animation.Animation#clearTransition
 55  */
 56 lime.animation.RotateTo.prototype.clearTransition = function(target) {
 57     if (this.useTransitions()) {
 58         target.clearTransition(lime.Transition.ROTATION);
 59         target.setDirty(lime.Dirty.POSITION);
 60     }
 61 };
 62