package { import flash.display.Sprite; import flash.events.Event; public class animation_ch08_Twips extends Sprite { public function animation_ch08_Twips() { init(); } private function init():void { var sprite:Sprite; sprite = new Sprite(); addChild(sprite); sprite.x = 0; var targ:Number = 100; for(var i:Number=0;i<20;i++) { trace(i + ": " + sprite.x); sprite.x += (targ - sprite.x) * .5; } } } }