scale a graphic pivot point problem

[espace]

hi, 

I can't scale my graphic at the center.

I use the pivot point but that don't works.

https://jsfiddle.net/8vvkfh70/

thanks for your advice.

[espace]

and strangely when i do the same function with a bitmapText the tween doesn't do the yoyo...why ?

game.add.tween(textPlayer.scale).to({x:2,y:2},250,Phaser.Easing.Linear.None,true,2000,-1,true)