movement script

could anyone write me a quit and simple script that will make my character move forward when the w key is held down, when a or s is held down it turns the character round and move back wehn s is held down. im making an third person game and the scrips the standard assets dont do what i would like them to do. so could anyone please write me a script that will do this, thankyou.

ps im crap at scripting

pss i hope i dont waste much of your time

psss i hope i dont waste any of your time

This should do the trick.

var speed : float = 1.0;
var rotateSpeed : float = 3.0;

    function Update() {
    var controller : CharacterController = GetComponent(CharacterController);
    transform.Rotate(0, Input.GetAxis ("Horizontal") * rotateSpeed, 0);
    if (controller.isGrounded) {
    // We are grounded, so recalculate
    // move direction directly from axes
    moveDirection = Vector3(0, 0,
    moveDirection = transform.TransformDirection(moveDirection);
    moveDirection *= speed;

...Unity comes with multiple scripts... Look for the controllers that come with it...

In the search in the editor, type controller, their's an FPS and a 3rd person one... and they have a FPS Walker script too that's more simple than the motor...