konva/dist/kinetic-Animation-current.min.js

Kinetic.Animation=function(a){a||(a={});for(var b in a)this[b]=a[b];this.id=Kinetic.Animation.animIdCounter++},Kinetic.Animation.prototype={start:function(){this.stop(),Kinetic.Animation._addAnimation(this),Kinetic.Animation._handleAnimation()},stop:function(){Kinetic.Animation._removeAnimation(this)}},Kinetic.Animation.animations=[],Kinetic.Animation.animIdCounter=0,Kinetic.Animation.animRunning=!1,Kinetic.Animation.frame={time:0,timeDiff:0,lastTime:(new Date).getTime(),frameRate:0},Kinetic.Animation.fixedRequestAnimFrame=function(a){window.setTimeout(a,1e3/60)},Kinetic.Animation._addAnimation=function(a){this.animations.push(a)},Kinetic.Animation._removeAnimation=function(a){var b=a.id,c=this.animations;for(var d=0;d<c.length;d++)if(c[d].id===b)return this.animations.splice(d,1),!1},Kinetic.Animation._updateFrameObject=function(){var a=(new Date).getTime();this.frame.timeDiff=a-this.frame.lastTime,this.frame.lastTime=a,this.frame.time+=this.frame.timeDiff,this.frame.frameRate=1e3/this.frame.timeDiff},Kinetic.Animation._runFrames=function(){this._updateFrameObject();var a={};for(var b=0;b<this.animations.length;b++){var c=this.animations[b];c.node&&c.node._id!==undefined&&(a[c.node._id]=c.node),c.func&&c.func(this.frame)}for(var d in a)a[d].draw()},Kinetic.Animation._animationLoop=function(){if(this.animations.length>0){this._runFrames();var a=this;Kinetic.Animation.requestAnimFrame(function(){a._animationLoop()})}else this.animRunning=!1},Kinetic.Animation._handleAnimation=function(){var a=this;this.animRunning||(this.animRunning=!0,a._animationLoop())},Kinetic.Animation.requestAnimFrame=function(a){var b=Kinetic.DD&&Kinetic.DD.moving?this.fixedRequestAnimFrame:window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||window.oRequestAnimationFrame||window.msRequestAnimationFrame||Kinetic.Animation.fixedRequestAnimFrame;b(a)};