Laser Beam

import flash.display.Sprite;
import flash.geom.Point;
import flash.events.MouseEvent;
import flash.events.Event;

var lasersArray:Array = [];

var fadeSpeed:Number = 0.1;
var laserColour:uint = 0xFF0000;
var laserThickness:Number = 2;

var startPoint = new Point(275,400)
// the point where the laser will start

stage.addEventListener(MouseEvent.CLICK,mClick)
stage.addEventListener(Event.ENTER_FRAME,eFrame)

function mClick(m:MouseEvent){
// creates a point with the mouse position
var clickPoint:Point = new Point(stage.mouseX,stage.mouseY)
drawBeam(clickPoint)
}

function drawBeam(cPoint:Point){
// the main guts of the laser drawing, creates a new sprite to hold the beam
// draws a line from the start point to the point you pass into it (where you've clicked)
var s:Sprite = new Sprite();
addChild(s)
lasersArray.push(s)

s.graphics.lineStyle(laserThickness,laserColour)
s.graphics.moveTo(startPoint.x,startPoint.y)
s.graphics.lineTo(cPoint.x,cPoint.y)
}

// this bit just fades out and removes old lasers.. can stick it in any enter frame event
// doesn't need its own special one or anything
function eFrame(e:Event){
for(var i:int = 0;i<=lasersArray.length-1;i++){
lasersArray[i].alpha -= fadeSpeed

if(lasersArray[i].alpha <= 0){
removeChild(lasersArray[i])
lasersArray.splice(i,1)
}

}
}