Y Tween
Description:Tweens an object's y position
Example:this.tweens.add({targets: mySprite,duration: 300,y:500});
Tween On Complete
Description:onComplete callback
Example:this.tweens.add({targets: mySprite,duration: 1000,y:targetY,onComplete:onCompleteHandler ,onCompleteParams:[custom]});
function onCompleteHandler (tween, targets, custom)
{
console.log('onCompleteHandler');
console.log(custom);
}