public float jumpHeight = 4;

public float timeToJumpApex = .4f;

public float accelerationTimeAirborne = .2f;

public float accelerationTimeGrounded = .1f;

Vector3 velocity;

float velocityXSmoothing;

public float moveSpeed = 6;

float jumpVelocity;

float gravity;

US_Controller2D controller;

private void Start()

{

controller = GetComponent<US_Controller2D>();

gravity = -(2 * jumpHeight) / Mathf.Pow(timeToJumpApex, 2);

jumpVelocity = Mathf.Abs(gravity) * timeToJumpApex;

print("Gravity: " + gravity + " Jump Velocity: " + jumpVelocity);

}

private void Update()

{

if (controller.collisions.above || controller.collisions.below)

{

velocity.y = 0;

}

if (Input.GetButtonDown("Jump") && controller.collisions.below)

{

velocity.y = jumpVelocity;

Debug.Log("Jump");

}

Vector2 input = new Vector2(Input.GetAxisRaw("Horizontal"), Input.GetAxisRaw("Vertical"));

float targetVelocityX = input.x * moveSpeed;

velocity.x = Mathf.SmoothDamp(velocity.x, targetVelocityX, ref velocityXSmoothing, (controller.collisions.below) ? accelerationTimeGrounded : accelerationTimeAirborne);

velocity.y += gravity * Time.deltaTime;

controller.Move(velocity * Time.deltaTime);

}