CCEaseElasticIn in Cocos2D , iPhone

Yet another animation api from cocos2D, check it out……

 id move = [CCMoveTo actionWithDuration:1 position:ccp(200,250);
 CCEaseElasticIn *elasticIn = [CCEaseElasticIn actionWithAction:move period:2.0];
 [my_sprite runAction:elasticIn ];