private void Update()
        {
            if (Input.GetKey(KeyCode.LeftArrow))
            {
                rigidBody.AddForce(Vector2.left * 50);
                spriteAnimator.FlipSpriteX(true);
            }
            else if (Input.GetKey(KeyCode.RightArrow))
            {
                rigidBody.AddForce(Vector2.right * 50);
                spriteAnimator.FlipSpriteX(false);
            }
            else if (Input.GetKey(KeyCode.DownArrow) && rigidBody.velocity.y == 0)
            {
                spriteAnimator.Play(duckAnimation);
            }
            else
            {
                spriteAnimator.Play(standAnimation);
            }

            if (Input.GetKeyDown(KeyCode.Space))
            {
                rigidBody.AddForce(Vector2.up * 500);
            }

            if (!spriteAnimator.CurrentAnimation.Equals(duckAnimation))
            {
                if (rigidBody.velocity.y != 0)
                {
                    spriteAnimator.Play(jumpAnimation);
                }
                else if (rigidBody.velocity.x != 0)
                {
                    spriteAnimator.Play(walkAnimation);
                }
            }
        }