import UnityEngine

class enderMovement (MonoBehaviour):
    public jumpSpeed = 20.0 # move speed
    public crawlSpeed = 1.0
    public turnSpeed = 0.5 # turning speed (degrees)
    public mouseSpeed = 10.0
    public grabDistance = 1.0
    public gravity = 10.0 # character gravity
    public isGrounded as bool
    public myCamera as Transform

    private myNormal as Vector3
    private turnAngle = 0.0

    def Start():
        myNormal = transform.up # starting character normal
        rigidbody.freezeRotation = true # disable physics rotation

    def FixedUpdate():
        ray as Ray
        hit as RaycastHit
        ray = Ray(transform.position, transform.up * -1)

        if Physics.Raycast(ray, hit):
            isGrounded = hit.distance <= grabDistance
            myNormal = Vector3.Lerp(myNormal, hit.normal, turnSpeed)
            #myNormal.y = transform.localEulerAngles.y # This doesn't have a noticeable affect, but it seems like it would prevent the character from rotating to match a new normal?
        else:
            isGrounded = false

        if isGrounded and Input.GetButton("Down"):
            rigidbody.drag = 2
            # Rotate the camera vertically, independantly of parent, so that the character's down remains the same
            # This is what you'd expect from typical FPS controls, while otherwise the vertical aiming acts like a space sim
            myCamera.Rotate(Input.GetAxis("Mouse Y") * mouseSpeed * -1, 0, 0)

            # Hopefully, clamp the camera's roation to between -80 and 80
            #myCamera.localEulerAngles.x = Mathf.Clamp(myCamera.localEulerAngles.x, -80, 80)

            # Rotate around Y axis, lerp to myNormal
            turn = Input.GetAxis("Mouse X") * mouseSpeed
            turnAngle = (turnAngle + turn) % 360 # This is mysterious. Probably not what I need for this, in the original script the character never left the surface it was adhering to
            rot = Quaternion.FromToRotation(Vector3.up, myNormal)
            rot *= Quaternion.Euler(0, turnAngle, 0)
            transform.rotation = rot

            # Move around, basic WASD controls. Could use AddForce instead? AddForce acts strange.
            transform.Translate(Input.GetAxis('Strafe') * crawlSpeed, 0,Input.GetAxis("Thrust") * crawlSpeed)
            rigidbody.AddForce(-gravity * myNormal)
        else:
            rigidbody.drag = 0.1
            # Lerp the camera to match the character. Would look better if the character lerped to match the camera, but seems tricky?
            myCamera.rotation = Quaternion.Lerp(myCamera.rotation, transform.rotation, Time.deltaTime)

            # Rotate the character around its X and Y axis directly
            transform.Rotate(Input.GetAxis("Mouse Y") * -1 * mouseSpeed, Input.GetAxis("Mouse X") * mouseSpeed, 0)

        if true:
            if Input.GetButtonDown("Up"):
                rigidbody.AddForce((myCamera.forward * jumpSpeed))