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I got my AS2 code messed up when translating to AS3..

Help?


/**
* Car Movement - Accelerate, Brake, Rotate & Reverse
*
* Version: 1.0
* Author: Philip Radvan
* URL: http://www.freeactionscript.com
*/

//Settings
var speed:Number = 0;
var speedMax:Number = 6;
var speedMaxReverse:Number = -2;
var speedAcceleration:Number = .15;
var speedDeceleration:Number = .90;
var groundFriction:Number = .95;

var steering:Number = 0;
var steeringMax:Number = 1;
var steeringAcceleration:Number = .10;
var steeringFriction:Number = .98;

var velocityX:Number = 0;
var velocityY:Number = 0;
var radiance:Number = 180/Math.PI;


/**
* Main game loop
*/
function runGame():Void
{
// UP Arrow or W (accelerate)
if (Key.isDown(Key.UP) || Key.isDown(87)){
//check if below speedMax
if (speed < speedMax){
//speed up
speed += speedAcceleration;
//check if above speedMax
if (speed > speedMax){
//reset to speedMax
speed = speedMax;
}
}
}
// DOWN Arrow or S (reverse)
if (Key.isDown(Key.DOWN) || Key.isDown(83)){
//check if below speedMaxReverse
if (speed > speedMaxReverse){
//speed up (in reverse)
speed -= speedAcceleration;
//check if above speedMaxReverse
if (speed < speedMaxReverse){
//reset to speedMaxReverse
speed = speedMaxReverse;
}
}
}
// LEFT Arrow or A (turn left)
if (Key.isDown(Key.LEFT) || Key.isDown(65)){
//turn left
steering -= steeringAcceleration;
//check if above steeringMax
if (steering > steeringMax){
//reset to steeringMax
steering = steeringMax;
}
}
// RIGHT Arrow or D (turn right)
if (Key.isDown(Key.RIGHT) || Key.isDown(68)){
//turn right
steering += steeringAcceleration;
//check if above steeringMax
if (steering < -steeringMax){
//reset to steeringMax
steering = -steeringMax;
}
}

// SPACE (brake)
if (Key.isDown(Key.SPACE)){
speed *= speedDeceleration;
}

// friction
speed *= groundFriction;

// ideal changes
var idealXMovement = speed*Math.cos(radiance);
var idealYMovement = speed*Math.sin(radiance);

// real change
velocityX += (idealXMovement-velocityX)*groundFriction;
velocityY += (idealYMovement-velocityY)*groundFriction;

// update position
player_mc._x += velocityX;
player_mc._y += velocityY;

// rotate
radiance += (steering*speed)*.025;
player_mc._rotation = radiance*180/Math.PI;

//Fix Steering (make car go straight after driver stops turning)
steering -= (steering*0.1);
}

/**
* onEnterFrame function to repeat runGame() over and over
*/
player_mc.onEnterFrame = function()
{
runGame()
}