function Update () {
if(Input.GetKey(KeyCode.LeftShift)){
               SPRINT = 30;}
   if (!useFixedUpdate)
    UpdateFunction();

#pragma strict
#pragma implicit
#pragma downcast

// Does this script currently respond to input?
var canControl : boolean = true;

var useFixedUpdate : boolean = true;

// For the next variables, @System.NonSerialized tells Unity to not serialize the variable or show it in the inspector view.
// Very handy for organization!

// The current global direction we want the character to move in.
@System.NonSerialized
var inputMoveDirection : Vector3 = Vector3.zero;

// Is the jump button held down? We use this interface instead of checking
// for the jump button directly so this script can also be used by AIs.
@System.NonSerialized
var inputJump : boolean = false;

class CharacterMotorMovement {
   // The maximum horizontal speed when moving
   var maxForwardSpeed : float = 10.0;
   var maxSidewaysSpeed : float = 10.0;
   var maxBackwardsSpeed : float = 10.0;
     
   // Curve for multiplying speed based on slope (negative = downwards)
   var slopeSpeedMultiplier : AnimationCurve = AnimationCurve(Keyframe(-90, 1), Keyframe(0, 1), Keyframe(90, 0));
     
   // How fast does the character change speeds?  Higher is faster.
   var maxGroundAcceleration : float = 30.0;
   var maxAirAcceleration : float = 20.0;

   // The gravity for the character
   var gravity : float = 10.0;
   var maxFallSpeed : float = 20.0;
     
   // For the next variables, @System.NonSerialized tells Unity to not serialize the variable or show it in the inspector view.
   // Very handy for organization!

   // The last collision flags returned from controller.Move
   @System.NonSerialized
   var collisionFlags : CollisionFlags;   

   // We will keep track of the character's current velocity,
   @System.NonSerialized
   var velocity : Vector3;
     
   // This keeps track of our current velocity while we're not grounded
   @System.NonSerialized
   var frameVelocity : Vector3 = Vector3.zero;
     
   @System.NonSerialized
   var hitPoint : Vector3 = Vector3.zero;
     
   @System.NonSerialized
   var lastHitPoint : Vector3 = Vector3(Mathf.Infinity, 0, 0);
}

var movement : CharacterMotorMovement = CharacterMotorMovement();

enum MovementTransferOnJump {
   None, // The jump is not affected by velocity of floor at all.
   InitTransfer, // Jump gets its initial velocity from the floor, then gradualy comes to a stop.
   PermaTransfer, // Jump gets its initial velocity from the floor, and keeps that velocity until landing.
   PermaLocked // Jump is relative to the movement of the last touched floor and will move together with that floor.
}

// We will contain all the jumping related variables in one helper class for clarity.
class CharacterMotorJumping {
   // Can the character jump?
   var enabled : boolean = true;

   // How high do we jump when pressing jump and letting go immediately
   var baseHeight : float = 1.0;
     
   // We add extraHeight units (meters) on top when holding the button down longer while jumping
   var extraHeight : float = 4.1;
     
   // How much does the character jump out perpendicular to the surface on walkable surfaces?
   // 0 means a fully vertical jump and 1 means fully perpendicular.
   var perpAmount : float = 0.0;
     
   // How much does the character jump out perpendicular to the surface on too steep surfaces?
   // 0 means a fully vertical jump and 1 means fully perpendicular.
   var steepPerpAmount : float = 0.5;
     
   // For the next variables, @System.NonSerialized tells Unity to not serialize the variable or show it in the inspector view.
   // Very handy for organization!

   // Are we jumping? (Initiated with jump button and not grounded yet)
   // To see if we are just in the air (initiated by jumping OR falling) see the grounded variable.
   @System.NonSerialized
   var jumping : boolean = false;
     
   @System.NonSerialized
   var holdingJumpButton : boolean = false;

   // the time we jumped at (Used to determine for how long to apply extra jump power after jumping.)
   @System.NonSerialized
   var lastStartTime : float = 0.0;
     
   @System.NonSerialized
   var lastButtonDownTime : float = -100;
     
   @System.NonSerialized
   var jumpDir : Vector3 = Vector3.up;
}

var jumping : CharacterMotorJumping = CharacterMotorJumping();

class CharacterMotorMovingPlatform {
   var enabled : boolean = true;
     
   var movementTransfer : MovementTransferOnJump = MovementTransferOnJump.PermaTransfer;
     
   @System.NonSerialized
   var hitPlatform : Transform;
     
   @System.NonSerialized
   var activePlatform : Transform;
     
   @System.NonSerialized
   var activeLocalPoint : Vector3;
     
   @System.NonSerialized
   var activeGlobalPoint : Vector3;
     
   @System.NonSerialized
   var activeLocalRotation : Quaternion;
     
   @System.NonSerialized
   var activeGlobalRotation : Quaternion;
     
   @System.NonSerialized
   var lastMatrix : Matrix4x4;
     
   @System.NonSerialized
   var platformVelocity : Vector3;
     
   @System.NonSerialized
   var newPlatform : boolean;
}

var movingPlatform : CharacterMotorMovingPlatform = CharacterMotorMovingPlatform();

class CharacterMotorSliding {
   // Does the character slide on too steep surfaces?
   var enabled : boolean = true;
     
   // How fast does the character slide on steep surfaces?
   var slidingSpeed : float = 15;
     
   // How much can the player control the sliding direction?
   // If the value is 0.5 the player can slide sideways with half the speed of the downwards sliding speed.
   var sidewaysControl : float = 1.0;
     
   // How much can the player influence the sliding speed?
   // If the value is 0.5 the player can speed the sliding up to 150% or slow it down to 50%.
   var speedControl : float = 0.4;
}

var sliding : CharacterMotorSliding = CharacterMotorSliding();

@System.NonSerialized
var grounded : boolean = true;

@System.NonSerialized
var groundNormal : Vector3 = Vector3.zero;

private var lastGroundNormal : Vector3 = Vector3.zero;

private var tr : Transform;

private var controller : CharacterController;

function Awake () {
   controller = GetComponent (CharacterController);
   tr = transform;
}

private function UpdateFunction () {

   // We copy the actual velocity into a temporary variable that we can manipulate.
   var velocity : Vector3 = movement.velocity;
     
   // Update velocity based on input
   velocity = ApplyInputVelocityChange(velocity);
     
   // Apply gravity and jumping force
   velocity = ApplyGravityAndJumping (velocity);
     
   // Moving platform support
   var moveDistance : Vector3 = Vector3.zero;
   if (MoveWithPlatform()) {
    var newGlobalPoint : Vector3 = movingPlatform.activePlatform.TransformPoint(movingPlatform.activeLocalPoint);
    moveDistance = (newGlobalPoint - movingPlatform.activeGlobalPoint);
    if (moveDistance != Vector3.zero)
     controller.Move(moveDistance);
      
    // Support moving platform rotation as well:
          var newGlobalRotation : Quaternion = movingPlatform.activePlatform.rotation * movingPlatform.activeLocalRotation;
          var rotationDiff : Quaternion = newGlobalRotation * Quaternion.Inverse(movingPlatform.activeGlobalRotation);
            
          var yRotation = rotationDiff.eulerAngles.y;
          if (yRotation != 0) {
           // Prevent rotation of the local up vector
           tr.Rotate(0, yRotation, 0);
          }
   }
     
   // Save lastPosition for velocity calculation.
   var lastPosition : Vector3 = tr.position;
     
   // We always want the movement to be framerate independent.  Multiplying by Time.deltaTime does this.
   var currentMovementOffset : Vector3 = velocity * Time.deltaTime;
     
   // Find out how much we need to push towards the ground to avoid loosing grouning
   // when walking down a step or over a sharp change in slope.
   var pushDownOffset : float = Mathf.Max(controller.stepOffset, Vector3(currentMovementOffset.x, 0, currentMovementOffset.z).magnitude);
   if (grounded)
    currentMovementOffset -= pushDownOffset * Vector3.up;
     
   // Reset variables that will be set by collision function
   movingPlatform.hitPlatform = null;
   groundNormal = Vector3.zero;
     
      // Move our character!
   movement.collisionFlags = controller.Move (currentMovementOffset);
     
   movement.lastHitPoint = movement.hitPoint;
   lastGroundNormal = groundNormal;
     
   if (movingPlatform.enabled && movingPlatform.activePlatform != movingPlatform.hitPlatform) {
    if (movingPlatform.hitPlatform != null) {
     movingPlatform.activePlatform = movingPlatform.hitPlatform;
     movingPlatform.lastMatrix = movingPlatform.hitPlatform.localToWorldMatrix;
     movingPlatform.newPlatform = true;
    }
   }
     
   // Calculate the velocity based on the current and previous position.    
   // This means our velocity will only be the amount the character actually moved as a result of collisions.
   var oldHVelocity : Vector3 = new Vector3(velocity.x, 0, velocity.z);
   movement.velocity = (tr.position - lastPosition) / Time.deltaTime;
   var newHVelocity : Vector3 = new Vector3(movement.velocity.x, 0, movement.velocity.z);
     
   // The CharacterController can be moved in unwanted directions when colliding with things.
   // We want to prevent this from influencing the recorded velocity.
   if (oldHVelocity == Vector3.zero) {
    movement.velocity = new Vector3(0, movement.velocity.y, 0);
   }
   else {
    var projectedNewVelocity : float = Vector3.Dot(newHVelocity, oldHVelocity) / oldHVelocity.sqrMagnitude;
    movement.velocity = oldHVelocity * Mathf.Clamp01(projectedNewVelocity) + movement.velocity.y * Vector3.up;
   }
     
   if (movement.velocity.y < velocity.y - 0.001) {
    if (movement.velocity.y < 0) {
     // Something is forcing the CharacterController down faster than it should.
     // Ignore this
     movement.velocity.y = velocity.y;
    }
    else {
     // The upwards movement of the CharacterController has been blocked.
     // This is treated like a ceiling collision - stop further jumping here.
     jumping.holdingJumpButton = false;
    }
   }
     
   // We were grounded but just loosed grounding
   if (grounded && !IsGroundedTest()) {
    grounded = false;
      
    // Apply inertia from platform
    if (movingPlatform.enabled &&
     (movingPlatform.movementTransfer == MovementTransferOnJump.InitTransfer ||
     movingPlatform.movementTransfer == MovementTransferOnJump.PermaTransfer)
    ) {
     movement.frameVelocity = movingPlatform.platformVelocity;
     movement.velocity += movingPlatform.platformVelocity;
    }
      
    SendMessage("OnFall", SendMessageOptions.DontRequireReceiver);
    // We pushed the character down to ensure it would stay on the ground if there was any.
    // But there wasn't so now we cancel the downwards offset to make the fall smoother.
    tr.position += pushDownOffset * Vector3.up;
   }
   // We were not grounded but just landed on something
   else if (!grounded && IsGroundedTest()) {
    grounded = true;
    jumping.jumping = false;
    SubtractNewPlatformVelocity();
      
    SendMessage("OnLand", SendMessageOptions.DontRequireReceiver);
   }
     
   // Moving platforms support
   if (MoveWithPlatform()) {
    // Use the center of the lower half sphere of the capsule as reference point.
    // This works best when the character is standing on moving tilting platforms.   
    movingPlatform.activeGlobalPoint = tr.position + Vector3.up * (controller.center.y - controller.height*0.5 + controller.radius);
    movingPlatform.activeLocalPoint = movingPlatform.activePlatform.InverseTransformPoint(movingPlatform.activeGlobalPoint);
      
    // Support moving platform rotation as well:
          movingPlatform.activeGlobalRotation = tr.rotation;
          movingPlatform.activeLocalRotation = Quaternion.Inverse(movingPlatform.activePlatform.rotation) * movingPlatform.activeGlobalRotation;   
   }
}

function FixedUpdate () {
   if (movingPlatform.enabled) {
    if (movingPlatform.activePlatform != null) {
     if (!movingPlatform.newPlatform) {
      var lastVelocity : Vector3 = movingPlatform.platformVelocity;
        
      movingPlatform.platformVelocity = (
       movingPlatform.activePlatform.localToWorldMatrix.MultiplyPoint3x4(movingPlatform.activeLocalPoint)
       - movingPlatform.lastMatrix.MultiplyPoint3x4(movingPlatform.activeLocalPoint)
      ) / Time.deltaTime;
     }
     movingPlatform.lastMatrix = movingPlatform.activePlatform.localToWorldMatrix;
     movingPlatform.newPlatform = false;
    }
    else {
     movingPlatform.platformVelocity = Vector3.zero;   
    }
   }
     
   if (useFixedUpdate)
    UpdateFunction();
}

function Update () {

   if (!useFixedUpdate)
    UpdateFunction();
      
      
}

private function ApplyInputVelocityChange (velocity : Vector3) {   
   if (!canControl)
    inputMoveDirection = Vector3.zero;
     
   // Find desired velocity
   var desiredVelocity : Vector3;
   if (grounded && TooSteep()) {
    // The direction we're sliding in
    desiredVelocity = Vector3(groundNormal.x, 0, groundNormal.z).normalized;
    // Find the input movement direction projected onto the sliding direction
    var projectedMoveDir = Vector3.Project(inputMoveDirection, desiredVelocity);
    // Add the sliding direction, the spped control, and the sideways control vectors
    desiredVelocity = desiredVelocity + projectedMoveDir * sliding.speedControl + (inputMoveDirection - projectedMoveDir) * sliding.sidewaysControl;
    // Multiply with the sliding speed
    desiredVelocity *= sliding.slidingSpeed;
   }
   else
    desiredVelocity = GetDesiredHorizontalVelocity();
     
   if (movingPlatform.enabled && movingPlatform.movementTransfer == MovementTransferOnJump.PermaTransfer) {
    desiredVelocity += movement.frameVelocity;
    desiredVelocity.y = 0;
   }
     
   if (grounded)
    desiredVelocity = AdjustGroundVelocityToNormal(desiredVelocity, groundNormal);
   else
    velocity.y = 0;
     
   // Enforce max velocity change
   var maxVelocityChange : float = GetMaxAcceleration(grounded) * Time.deltaTime;
   var velocityChangeVector : Vector3 = (desiredVelocity - velocity);
   if (velocityChangeVector.sqrMagnitude > maxVelocityChange * maxVelocityChange) {
    velocityChangeVector = velocityChangeVector.normalized * maxVelocityChange;
   }
   // If we're in the air and don't have control, don't apply any velocity change at all.
   // If we're on the ground and don't have control we do apply it - it will correspond to friction.
   if (grounded || canControl)
    velocity += velocityChangeVector;
     
   if (grounded) {
    // When going uphill, the CharacterController will automatically move up by the needed amount.
    // Not moving it upwards manually prevent risk of lifting off from the ground.
    // When going downhill, DO move down manually, as gravity is not enough on steep hills.
    velocity.y = Mathf.Min(velocity.y, 0);
   }
     
   return velocity;
}

private function ApplyGravityAndJumping (velocity : Vector3) {
     
   if (!inputJump || !canControl) {
    jumping.holdingJumpButton = false;
    jumping.lastButtonDownTime = -100;
   }
     
   if (inputJump && jumping.lastButtonDownTime < 0 && canControl)
    jumping.lastButtonDownTime = Time.time;
     
   if (grounded)
    velocity.y = Mathf.Min(0, velocity.y) - movement.gravity * Time.deltaTime;
   else {
    velocity.y = movement.velocity.y - movement.gravity * Time.deltaTime;
      
    // When jumping up we don't apply gravity for some time when the user is holding the jump button.
    // This gives more control over jump height by pressing the button longer.
    if (jumping.jumping && jumping.holdingJumpButton) {
     // Calculate the duration that the extra jump force should have effect.
     // If we're still less than that duration after the jumping time, apply the force.
     if (Time.time < jumping.lastStartTime + jumping.extraHeight / CalculateJumpVerticalSpeed(jumping.baseHeight)) {
      // Negate the gravity we just applied, except we push in jumpDir rather than jump upwards.
      velocity += jumping.jumpDir * movement.gravity * Time.deltaTime;
     }
    }
      
    // Make sure we don't fall any faster than maxFallSpeed. This gives our character a terminal velocity.
    velocity.y = Mathf.Max (velocity.y, -movement.maxFallSpeed);
   }
      
   if (grounded) {
    // Jump only if the jump button was pressed down in the last 0.2 seconds.
    // We use this check instead of checking if it's pressed down right now
    // because players will often try to jump in the exact moment when hitting the ground after a jump
    // and if they hit the button a fraction of a second too soon and no new jump happens as a consequence,
    // it's confusing and it feels like the game is buggy.
    if (jumping.enabled && canControl && (Time.time - jumping.lastButtonDownTime < 0.2)) {
     grounded = false;
     jumping.jumping = true;
     jumping.lastStartTime = Time.time;
     jumping.lastButtonDownTime = -100;
     jumping.holdingJumpButton = true;
       
     // Calculate the jumping direction
     if (TooSteep())
      jumping.jumpDir = Vector3.Slerp(Vector3.up, groundNormal, jumping.steepPerpAmount);
     else
      jumping.jumpDir = Vector3.Slerp(Vector3.up, groundNormal, jumping.perpAmount);
       
     // Apply the jumping force to the velocity. Cancel any vertical velocity first.
     velocity.y = 0;
     velocity += jumping.jumpDir * CalculateJumpVerticalSpeed (jumping.baseHeight);
       
     // Apply inertia from platform
     if (movingPlatform.enabled &&
      (movingPlatform.movementTransfer == MovementTransferOnJump.InitTransfer ||
      movingPlatform.movementTransfer == MovementTransferOnJump.PermaTransfer)
     ) {
      movement.frameVelocity = movingPlatform.platformVelocity;
      velocity += movingPlatform.platformVelocity;
     }
       
     SendMessage("OnJump", SendMessageOptions.DontRequireReceiver);
    }
    else {
     jumping.holdingJumpButton = false;
    }
   }
     
   return velocity;
}

function OnControllerColliderHit (hit : ControllerColliderHit) {
   if (hit.normal.y > 0 && hit.normal.y > groundNormal.y && hit.moveDirection.y < 0) {
    if ((hit.point - movement.lastHitPoint).sqrMagnitude > 0.001 || lastGroundNormal == Vector3.zero)
     groundNormal = hit.normal;
    else
     groundNormal = lastGroundNormal;
      
    movingPlatform.hitPlatform = hit.collider.transform;
    movement.hitPoint = hit.point;
    movement.frameVelocity = Vector3.zero;
   }
}

private function SubtractNewPlatformVelocity () {
   // When landing, subtract the velocity of the new ground from the character's velocity
   // since movement in ground is relative to the movement of the ground.
   if (movingPlatform.enabled &&
    (movingPlatform.movementTransfer == MovementTransferOnJump.InitTransfer ||
    movingPlatform.movementTransfer == MovementTransferOnJump.PermaTransfer)
   ) {
    // If we landed on a new platform, we have to wait for two FixedUpdates
    // before we know the velocity of the platform under the character
    if (movingPlatform.newPlatform) {
     var platform : Transform = movingPlatform.activePlatform;
     yield WaitForFixedUpdate();
     yield WaitForFixedUpdate();
     if (grounded && platform == movingPlatform.activePlatform)
      yield 1;
    }
    movement.velocity -= movingPlatform.platformVelocity;
   }
}

private function MoveWithPlatform () : boolean {
   return (
    movingPlatform.enabled
    && (grounded || movingPlatform.movementTransfer == MovementTransferOnJump.PermaLocked)
    && movingPlatform.activePlatform != null
   );
}

private function GetDesiredHorizontalVelocity () {
   // Find desired velocity
   var desiredLocalDirection : Vector3 = tr.InverseTransformDirection(inputMoveDirection);
   var maxSpeed : float = MaxSpeedInDirection(desiredLocalDirection);
   if (grounded) {
    // Modify max speed on slopes based on slope speed multiplier curve
    var movementSlopeAngle = Mathf.Asin(movement.velocity.normalized.y)  * Mathf.Rad2Deg;
    maxSpeed *= movement.slopeSpeedMultiplier.Evaluate(movementSlopeAngle);
   }
   return tr.TransformDirection(desiredLocalDirection * maxSpeed);
}

private function AdjustGroundVelocityToNormal (hVelocity : Vector3, groundNormal : Vector3) : Vector3 {
   var sideways : Vector3 = Vector3.Cross(Vector3.up, hVelocity);
   return Vector3.Cross(sideways, groundNormal).normalized * hVelocity.magnitude;
}

private function IsGroundedTest () {
   return (groundNormal.y > 0.01);
}

function GetMaxAcceleration (grounded : boolean) : float {
   // Maximum acceleration on ground and in air
   if (grounded)
    return movement.maxGroundAcceleration;
   else
    return movement.maxAirAcceleration;
}

function CalculateJumpVerticalSpeed (targetJumpHeight : float) {
   // From the jump height and gravity we deduce the upwards speed   
   // for the character to reach at the apex.
   return Mathf.Sqrt (2 * targetJumpHeight * movement.gravity);
}

function IsJumping () {
   return jumping.jumping;
}

function IsSliding () {
   return (grounded && sliding.enabled && TooSteep());
}

function IsTouchingCeiling () {
   return (movement.collisionFlags & CollisionFlags.CollidedAbove) != 0;
}

function IsGrounded () {
   return grounded;
}

function TooSteep () {
   return (groundNormal.y <= Mathf.Cos(controller.slopeLimit * Mathf.Deg2Rad));
}

function GetDirection () {
   return inputMoveDirection;
}

function SetControllable (controllable : boolean) {
   canControl = controllable;
}

// Project a direction onto elliptical quater segments based on forward, sideways, and backwards speed.
// The function returns the length of the resulting vector.
function MaxSpeedInDirection (desiredMovementDirection : Vector3) : float {
   if (desiredMovementDirection == Vector3.zero)
    return 0;
   else {
    var zAxisEllipseMultiplier : float = (desiredMovementDirection.z > 0 ? movement.maxForwardSpeed : movement.maxBackwardsSpeed) / movement.maxSidewaysSpeed;
    var temp : Vector3 = new Vector3(desiredMovementDirection.x, 0, desiredMovementDirection.z / zAxisEllipseMultiplier).normalized;
    var length : float = new Vector3(temp.x, 0, temp.z * zAxisEllipseMultiplier).magnitude * movement.maxSidewaysSpeed;
    return length;
   }
}

function SetVelocity (velocity : Vector3) {
   grounded = false;
   movement.velocity = velocity;
   movement.frameVelocity = Vector3.zero;
   SendMessage("OnExternalVelocity");
}

// Require a character controller to be attached to the same game object
@script RequireComponent (CharacterController)
@script AddComponentMenu ("Character/Character Motor")

movement.maxForwardSpeed = 30;

class CharacterMotorMovement {
     var maxForwardSpeed : float = 10.0;
     ...
}
var movement : CharacterMotorMovement = CharacterMotorMovement();

static var an = 1.0;

var maxSpeed : float = MaxSpeedInDirection(desiredLocalDirection);
      maxSpeed = maxSpeed * an;

function Start () { CharacterMotor.an = 1; }
  function Update() {
if (Input.GetKey(KeyCode.LeftShift)) {
                 CharacterMotor.an = 1.5;
             } else {
             if (Input.GetKeyUp (KeyCode.LeftShift)) {
                 CharacterMotor.an = 1;
             }
             }
}

function Update () {
if (Input.GetKey(KeyCode.LeftShift)) {  
                  CharacterMotor.an = 3;  
              } else {  
              if (Input.GetKeyUp (KeyCode.LeftShift)) {  
                  CharacterMotor.an = 1;  
              }  
              }
  if (!useFixedUpdate)
   UpdateFunction();

if (!useFixedUpdate)
   UpdateFunction();