// Checks if player is pressing movement keys, if is applies force to specified direction
    if (Input.GetKey(KeyCode.LeftArrow) || Input.GetKey(KeyCode.A))
    {
        //rigid.AddForce(new Vector2(-speed * Time.deltaTime, 0));
        rigid.AddRelativeForce(Vector2.left);
    }

    if (Input.GetKey(KeyCode.RightArrow) || Input.GetKey(KeyCode.D))
    {
        //rigid.AddForce(new Vector2(speed * Time.deltaTime, 0));
        rigid.AddRelativeForce(Vector2.right);
    }

    if (Input.GetKey(KeyCode.UpArrow) && groundCheck.isGrounded == false || Input.GetKey(KeyCode.W) && groundCheck.isGrounded == false || Input.GetKey(KeyCode.Space) && groundCheck.isGrounded == false)
    {
        groundCheck.isGrounded = false;
        //rigid.AddRelativeForce(new Vector2(0, jumpPower));
        rigid.velocity = new Vector2(rigid.velocity.x, jumpPower);
    }

double worldRotation;

void rotateLeft()
{
   worldRotation = (worldRotation + 90) % 90;
}

if (Input.GetKey(KeyCode.LeftArrow) || Input.GetKey(KeyCode.A))
{
    rigid.AddRelativeForce(Vector2.left.Rotate(worldRotation));
}