Cocos JS Custom jitter Action

Custom jitter action, record for reference

1 /**2 * Custom jitter action3  */4 varShake =cc. Actioninterval.extend ({5     //node initial position6Nodeinitialpos:NULL,7     //x-axis jitter amplitude8nodeshakestrengthx:0,9     //y-axis jitter amplitudeTennodeshakestrengthy:0, One     //jitter Time Aduration:0, -ctorfunction(duration,shakestrengthx,shakestrengthy) { -Cc. ActionInterval.prototype.ctor.call ( This); the          This. Duration =duration; -          This. Initwithduration (duration,shakestrengthx,shakestrengthy); -  -     }, +     //get a random value between two numbers -Getrandomstrength:function(Min,max) { +         returnMath.random () * (max-min+1) +min; A     }, atUpdatefunction(DT) { -         varrandx= This. Getrandomstrength (- This. NODESHAKESTRENGTHX, This. nodeshakestrengthx) *DT; -         varrandy= This. Getrandomstrength (- This. Nodeshakestrengthy, This. nodeshakestrengthy) *DT; - //Cc.log ("Randx:" +randx+ ", randy=" +randy); -          This. Target.setposition (Cc.padd ( This. NODEINITIALPOS,CC.P (Randx,randy))); -     }, inInitwithduration:function(duration,shakestrengthx,shakestrengthy) { -         if(CC. ActionInterval.prototype.initWithDuration.call ( This, duration)) { to              This. nodeshakestrengthx=Shakestrengthx; +              This. nodeshakestrengthy=shakestrengthy== ' undefined '?shakestrengthx:shakestrengthy; -             return true; the         } *         return false; $     },Panax NotoginsengStartwithtarget:function(target) { -Cc. ActionInterval.prototype.startWithTarget.call ( This, target); the          This. nodeinitialpos=target.getposition (); +     }, AStopfunction(){ the          This. Target.setposition ( This. Nodeinitialpos); +     } - }); $ /** $ * Custom jitter action - * @param {float}duration jitter time - * @param {number}shakestrengthx x axis jitter amplitude the * @param {number}shakestrengthy y-axis jitter amplitude - * @returns {Shake}Wuyi  */ theCc.shake =function(duration,shakestrengthx,shakestrengthy) { -     return NewShake (duration,shakestrengthx,shakestrengthy); Wu};

How to use:

1 var action = Cc.shake (0.4,20,20); 2 xx.runaction (action);

Reference article: http://blog.csdn.net/teng_ontheway/article/details/25307889

This address: http://www.cnblogs.com/wangjiajun/p/4670036.html

Cocos JS Custom jitter Action