import flash.display.Sprite;
import flash.events.Event;
import flash.events.KeyboardEvent;
import flash.display.MovieClip;

var ray:MovieClip = new MovieClip();
var env = new environment();
var arc = 364;
var rays = 135;
var rayAngleStep = 0;
var drawDistance = 150;
var rayStep = 5;
var dispX = 0;
var dispY = 0;

stage.addChild(ray);
stage.addChild(env);

env.x = stage.width;
env.y = stage.height;

addEventListener(Event.ENTER_FRAME,myEnterFrame);
function myEnterFrame(event:Event) {


ray.graphics.clear();
ray.graphics.lineStyle(0, 0xff0000, 100);

rayAngleStep = arc / rays;
ray.graphics.moveTo(mouseX, mouseY);


for (var k=0; k<arc; k+=rayAngleStep)
{
    dispX = Math.cos(to_radians(k));
    dispY = Math.sin(to_radians(k));

    ray.graphics.lineTo(mouseX+dispX*hitTest(dispX,dispY), mouseY+dispY*hitTest(dispX,dispY));
}


function hitTest(dx:Number,dy:Number):Number
{
    var retVal = 0;

    for (var j=0; j<drawDistance; j+=rayStep)
    {
        if (env.hitTestPoint((mouseX + dx * j),(mouseY + dy * j),true))
        {
            retVal = j;
            break;
        }
        else
        {
            retVal = j;
        }
    }
    return retVal;
}


function to_radians(n:Number):Number
{
    return (n*0.0174532925);
}
}