Adobe flash cs4 Game tutorial Enemy AI

Learn to give your Game enemies artificial intelligence. Get the FLA at my site
Get Fla

Enemy AI package { import flash.events.Event; import flash.display.MovieClip; import flash.display.Sprite; public class enemy extends Sprite { private var core:Object; private var yd:Number; private var xd:Number; public function enemy() { addEventListener(Event.ADDED_TO_STAGE,onadd); } private function onadd(e:Event) { core=MovieClip(root); yd = core.sp.y-y; xd = core.sp.x-x; addEventListener(Event.ENTER_FRAME,loop); } private function loop(e:Event) { var angle:Number=Math.atan2(yd,xd); x+=Math.cos(angle)*3; y+=Math.sin(angle)*3; for (var i:int = 0; i<core.bulletholder.numChildren; i++) { var bulletTarget:Sprite=core.bulletholder.getChildAt(i); var ris:Number=bulletTarget.y-y; var run:Number=bulletTarget.x-x; var dis:Number=Math.sqrt(Math.pow(ris,2)+Math.pow(run,2)); if (dis<100) { if (run<0) { x+=4.5; } else { x-=4.5; } } if (hitTestObject(bulletTarget)) { core.bulletholder.getChildAt(i).removeListeners(); core.bulletholder.removeChild(bulletTarget); var boom:MovieClip = new explosion(); boom.x=x; boom.y=y; stage.addChild(boom); removeEventListener(Event.ENTER_FRAME, loop); core.removeChild(this); } } } public function removeListeners():void { removeEventListener(Event.ENTER_FRAME, loop); } } }