package { import flash.display.Sprite; import flash.events.MouseEvent; public class animation_ch04_DrawingCurves extends Sprite { private var x0:Number = 100; private var y0:Number = 200; private var x1:Number; private var y1:Number; private var x2:Number = 300; private var y2:Number = 200; public function animation_ch04_DrawingCurves() { init(); } //@ init(s) private function init():void { stage.addEventListener(MouseEvent.MOUSE_MOVE, onMouseMove); } //@ move(s) private function onMouseMove(event:MouseEvent):void { x1 = mouseX; y1 = mouseY; graphics.clear(); graphics.lineStyle(1); graphics.moveTo(x0, y0); graphics.curveTo(x1, y1, x2, y2); } } }