Untiy raycasting in to ensure a character doesn't move inside a wall

Unity3D isWallInFront ()

if (!isWallInFront (moveDirection)) {
	this.rigidbody.MovePosition (this.rigidbody.position + this.transform.right * xAxis * xFacing);
}


private bool isWallInFront (Vector3 direction)
{			
		if (UnityShortcuts.castRay (this.rigidbody.position, this.transform.right, rayCastLength, moveAlignLayer)) {
				//Debug.Log ("got wall hit!");
				return true;
		}

		return false;
}

public static bool castRay (Vector3 pos, Vector3 direction, float rayLength, LayerMask moveAlignLayer)
{
		RaycastHit hit;

		//Debug.DrawRay (pos, direction, Color.red, 1, true);
		if (Physics.Raycast (pos, direction, out hit, rayLength, moveAlignLayer)) {			
				return true;
		}

		return false;
}