package { public class Bullet { public var x:Number; public var y:Number; public var a:Number; public var v:Number; public var c:uint; public function Bullet( x:Number, y:Number, a:Number, v:Number=1, c:uint=0xFFFFFF ) { this.x = x; this.y = y; this.a = ( a / 180 ) * Math.PI; this.v = v; this.c = c; } public function move():void { x += Math.cos( a ) * v; y += Math.sin( a ) * v; } } }