using UnityEngine;

namespace TG_TouchGesture
{
	public class TG_TouchGestureTap : TG_TouchGestureBase
	{
		private const float MAX_TOUCH_TIME_FOR_TAP = 1f;

		private const float MAX_DISTANCE_FOR_TAP = 0.1f;

		private int m_framesNoTouch;

		private bool m_isTapDown;

		private float m_tapStartTime;

		private Vector2 m_tapPos = Vector3.zero;

		public TG_TouchGestureTap()
			: base(TG_ETouchGestureType.TAP)
		{
		}

		public override TG_TouchGestureEventArgs Update()
		{
			if (m_isTapDown)
			{
				if (Input.touchCount == 0)
				{
					m_framesNoTouch++;
					m_isTapDown = false;
					return new TG_TouchGestureEventArgs(base.Type, m_tapPos);
				}
				if (Input.touchCount != 1 || Time.realtimeSinceStartup - m_tapStartTime > 1f || (Input.touches[0].position - m_tapPos).magnitude > 0.1f)
				{
					m_framesNoTouch = 0;
					m_isTapDown = false;
				}
			}
			else if (Input.touchCount == 0)
			{
				m_framesNoTouch++;
				m_isTapDown = false;
			}
			else if (Input.touchCount == 1)
			{
				if (m_framesNoTouch > 1)
				{
					m_isTapDown = true;
					m_tapStartTime = Time.realtimeSinceStartup;
					m_tapPos = Input.touches[0].position;
				}
				m_framesNoTouch = 0;
			}
			else
			{
				m_framesNoTouch = 0;
				m_isTapDown = false;
			}
			return null;
		}
	}
}