Why is my raycast not working?

var Water : float = 4;

//public var lockedRotation: float = 0;

var speed : float = 5;

var jump : float = 10;

var DoubleJump : int = 1;

var JumpReset : int = 2;

var JumpResetWallHit : int = 1;

var JumpVariance : float = 5;

//ar CenMass : float = 1;

var HitWallCollider: boolean = false;

var RayCastDist : float = 3;

var LeftRayDist : float = 3;

//var springSpeed : float = 10;

var ClimbSpeed : float = 5;

static var Climbing: boolean = false;

var WalkingRight : boolean = false; var WalkingLeft: boolean = false;

//var SecWait : float = 0.3;

function Awake (){

//rigidbody.constraints = RigidbodyConstraints.FreezePositionZ| RigidbodyConstraints.FreezeRotationZ //|RigidbodyConstraints.FreezeRotationY| RigidbodyConstraints.FreezeRotationX;

}

function Update () {

var Hit : RaycastHit; var Hit2 : RaycastHit;

Debug.DrawRay(transform.position , Vector3.right * RayCastDist, Color.green);

 //var fwd = transform.TransformDirection (Vector3.right);

 if (Physics.Raycast (transform.position, Vector3.right,Hit, RayCastDist))
  {

    if(Hit.collider.gameObject.tag == "Wall"){
        print ("Right side hit");
               WalkingLeft = false;
                   WalkingRight = true;

} } Debug.DrawRay(transform.position , Vector3.left* LeftRayDist, Color.green);

// var fwd = transform.TransformDirection (Vector3.right);

 if (Physics.Raycast (transform.position, Vector3.left,Hit2,  LeftRayDist)) 
 {

     if(Hit2.collider.gameObject.tag == "Wall2"){
        print ("Left Side hit ");

         WalkingLeft = true;
         WalkingLeft = true;

} }

}

function Start () {

//rigidbody.isKinematic = true;

} function FixedUpdate () { //var movement : float = Input.GetAxisRaw("Horizontal") speed; //movement = Time.deltaTime;

 //rigidbody.centerOfMass = Vector3 (0, CenMass, 0);

 if(WalkingRight == false){
 if(Input.GetKey("d"))

 {

     rigidbody.velocity = Vector3(speed , rigidbody.velocity.y, 0);
 }
 }

 if(WalkingLeft == false){
 if(Input.GetKey("a")){

     rigidbody.velocity = Vector3(-speed , rigidbody.velocity.y, 0) ;
 }
 if(WalkingLeft == true  || WalkingRight == true){

 rigidbody.freezeRotation = true;


 }
 }




 if (DoubleJump > 0)
 {           
     if (Input.GetKeyDown(KeyCode.Space))
     {
             rigidbody.isKinematic = false;
             rigidbody.velocity = Vector3(0,jump ,0);


             DoubleJump -= 1;
     }
 }
 if (Input.GetKey(KeyCode.Space))
 {
         rigidbody.isKinematic=false;
         rigidbody.AddForce(Vector2(0,JumpVariance));
         Climbing = false;

         //constantForce.relativeForce = Vector3(0, -10, 0);
 }
 if (Climbing == false)
 {
     rigidbody.isKinematic = false;

     //transform.Translate(Vector3(movement,0,0)); // you need to change this line dude it is making the code 
     // play up. because you have movement defined up above this part would not let my booleans work and the is really making 
     // the jump play about. So see if you can find another line of code for this :) 
 }
 if (Climbing == true)
 {
     //transform.localPosition.x = 0;
     transform.rotation = transform.parent.rotation;
     transform.parent.gameObject.rigidbody.AddRelativeForce(Vector3.right * Input.GetAxis("Horizontal") * 3, ForceMode.VelocityChange);
 }   
 if(Input.GetButtonDown("Jump")&& (HitWallCollider == true )){


     Debug.Log("Gravity is true player will fall");

  rigidbody.useGravity = true;
  Debug.Log("Drag is set back to 0");

             rigidbody.drag = 0;
             Debug.Log("Kinematic is set to false move free");
             rigidbody.isKinematic = false;

                 Debug.Log("Hey! you hit the wall DoubleJump is reset");

             Debug.Log("Not hitting wall");
 HitWallCollider = false;

} }

function OnCollisionStay ( other : Collision) { if (other.gameObject.tag == "Ground") { if(!Input.GetAxis("Horizontal")) { rigidbody.velocity.x = 0;

     }
 }

}

function OnCollisionEnter ( hit : Collision) { if (hit.gameObject.tag == "Ground") { //if(other.transform.position.y<transform.position.y)

     DoubleJump = JumpReset;

 }

if (hit.gameObject.tag == "Wall" ){

Debug.Log("Hitting the wall"); rigidbody.isKinematic = true; Debug.Log("can not move Kin = ture"); //rigidbody.useGravity = false; Debug.Log("drag is set hold player still "); rigidbody.drag = 13;
Debug.Log("You hit the wall"); DoubleJump = JumpResetWallHit; //rigidbody.AddForce(0, 0, 0); HitWallCollider = true; //rigidbody.constraints = RigidbodyConstraints.FreezePositionZ| RigidbodyConstraints.FreezeRotationZ //|RigidbodyConstraints.FreezeRotationY| RigidbodyConstraints.FreezeRotationX; Debug.Log("Waiting 5 sec before you drop"); yield WaitForSeconds(1);
Debug.Log("Gravity is true you will fall"); WalkingRight = false; rigidbody.useGravity = true; Debug.Log(":)"); rigidbody.drag = 0;

 }


 if (hit.transform.tag == "Ground"){

 HitWallCollider = false;
 rigidbody.isKinematic = false;
 //rigidbody.useGravity = true;
 rigidbody.drag = 0;   

 }

 }

function OnTriggerStay ( other : Collider) { if (other.gameObject.tag == "ladder") { if (Input.GetKey("w")) { transform.Translate ( Vector2(0, ClimbSpeed Time.deltaTime)); rigidbody.isKinematic = true; DoubleJump = JumpReset; Climbing = true; } if (Input.GetKey("s")) { transform.Translate (Vector2(0, -ClimbSpeed Time.deltaTime)); rigidbody.isKinematic = true; DoubleJump = JumpReset; Climbing = true; }

     if (transform.parent.tag == "ladder")
     {
         transform.localPosition.x = 0;
         //transform.rotation = transform.parent.rotation;
         //transform.parent.gameObject.rigidbody.AddRelativeForce(Vector3.right * Input.GetAxis("Horizontal") * 10, ForceMode.VelocityChange);
     }
 }
 if (other.gameObject.tag=="water")
 {
     DoubleJump=JumpReset;
     rigidbody.velocity.y/=Water;
 }

}

function OnTriggerEnter ( other : Collider) { if (other.gameObject.tag=="water") { jump*=Water; } }

function OnTriggerExit ( other : Collider) {

 if (other.gameObject.tag == "ladder")
 {
     rigidbody.isKinematic = false;
     transform.rotation = Quaternion.identity;
     Climbing = false;
     transform.parent = null;

 }
 if (other.gameObject.tag=="water")
 {
     jump/=Water;
 }

} function SetXOffest(offset: float){ xOffset = offset; }

//function WallCast (){ // var hit : RaycastHit;

 //  Debug.DrawRay (transform.position, Vector3.right * RayCastDist, Color.green); 

//if(Physics.Raycast(transform.position, Vector3.right, RayCastDist, 10)){ //Debug.DrawRay (transform.position, Vector3.right * RayCastDist, Color.red); //if(hit.collider.gameObject.tag == "Wall"){ //Debug.Log("Hey You hit the wall congratz");

//} //} //}