//尘风
using System;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.UI;
public class ui_thread : MonoBehaviour, IPointerDownHandler, IDragHandler, IPointerEnterHandler, IEndDragHandler
{
public Canvas canvas;
public RectTransform fingerLine;
//已选择的连线
public List<sta> games = new List<sta>();
//手势密码
public List<(string[], Action)> ss = new List<(string[], Action)>();
//测试起点位置
public RectTransform start;
public Text text;
//手指或鼠标在屏幕上的点击位置
private Vector3 touchPos;
private bool isPress = false;
private void Start()
{
string[] vs1 = { "1", "2", "3", "5", "7", "8", "9" };
ss.Add((vs1, cs1));
string[] vs2 = { "7", "4", "1", "5", "9", "6", "3" };
ss.Add((vs2, cs2));
}
public void cs1()
{
text.text = "手势正确-Z";
}
public void cs2()
{
text.text = "手势正确-N";
}
//针对手指位置和对应UI控件之间的连线需要转换坐标处理
private void UpdateFingerLine(Vector3 startPos)
{
Vector3 uiStartPos = Vector3.zero;
Vector3 uitouchPos = Vector3.zero;
if (canvas.renderMode == RenderMode.ScreenSpaceOverlay)
{
uiStartPos = startPos;
uitouchPos = touchPos;
}
else if (canvas.renderMode == RenderMode.ScreenSpaceCamera)
{
Camera camera = canvas.worldCamera;
//UI世界的起点世界坐标转换为UGUI坐标
Vector2 screenStartPos = RectTransformUtility.WorldToScreenPoint(camera, startPos);
RectTransformUtility.ScreenPointToWorldPointInRectangle(canvas.GetComponent<RectTransform>(), screenStartPos,
camera, out uiStartPos);
//鼠标坐标转换为UGUI坐标
RectTransformUtility.ScreenPointToWorldPointInRectangle(canvas.GetComponent<RectTransform>(), touchPos,
camera, out uitouchPos);
}
fingerLine.pivot = new Vector2(0, 0.5f);
fingerLine.position = startPos;
fingerLine.eulerAngles = new Vector3(0, 0, GetAngle(uiStartPos, uitouchPos));
fingerLine.sizeDelta = new Vector2(GetDistance(uiStartPos, uitouchPos), fingerLine.sizeDelta.y);
}
//通用设置线的，如果只设置两点之间连线，只需要初入对应的ui控件的Position
//针对手指位置和对应UI控件之间的连线需要转换坐标处理
private RectTransform SetLine(RectTransform lineSource, Vector3 startPos, Vector3 endPos)
{
RectTransform line = lineSource;//Instantiate(lineSource, lineSource.parent);
line.pivot = new Vector2(0, 0.5f);
line.position = startPos;
line.eulerAngles = new Vector3(0, 0, GetAngle(startPos, endPos));
line.sizeDelta = new Vector2(GetDistance(startPos, endPos), lineSource.sizeDelta.y);
return line;
}
private float GetAngle(Vector3 startPos, Vector3 endPos)
{
Vector3 dir = endPos - startPos;
float angle = Vector3.Angle(Vector3.right, dir);
Vector3 cross = Vector3.Cross(Vector3.right, dir);
float dirF = cross.z > 0 ? 1 : -1;
angle = angle * dirF;
return angle;
}
private float GetDistance(Vector3 startPos, Vector3 endPos)
{
float distance = Vector3.Distance(endPos, startPos);
return distance * 1 / canvas.transform.localScale.x;
}
public void OnPointerDown(PointerEventData eventData)
{
if(eventData.pointerEnter != null && eventData.pointerEnter.GetComponent<sta>() != null)
{
start = (RectTransform)eventData.pointerEnter.transform;
}
}
public void OnDrag(PointerEventData eventData)
{
if (start != null)
{
if (Application.isMobilePlatform)
{
for (int i = 0; i < Input.touchCount; ++i)
{
UnityEngine.Touch touch = Input.GetTouch(i);
if (touch.phase == TouchPhase.Began)
{
isPress = true;
touchPos = touch.position;
}
else
{
isPress = false;
}
}
}
else
{
if (Input.GetMouseButton(0))
{
isPress = true;
touchPos = Input.mousePosition;
}
else
{
isPress = false;
}
}
}
if (isPress)
{
fingerLine.gameObject.SetActive(true);
UpdateFingerLine(start.position);
}
else
{
fingerLine.gameObject.SetActive(false);
}
if (eventData.pointerEnter != null && eventData.pointerEnter.GetComponent<sta>() != null)
{
if (eventData.pointerEnter.name != start.name)
{
bool cs = true;
for (int i = 0; i < games.Count; i++)
{
if(games[i].name == eventData.pointerEnter.name+"cs")
{
cs = false;
}
}
if (cs)
{
GameObject game = Instantiate(fingerLine.gameObject, start.position, Quaternion.identity, fingerLine.parent);
game.name = start.gameObject.name + "cs";
game.AddComponent<sta>();
game.GetComponent<sta>().id = start.GetComponent<sta>().id;
SetLine((RectTransform)game.transform, start.position, eventData.pointerEnter.transform.position);
games.Add(game.GetComponent<sta>());
start = (RectTransform)eventData.pointerEnter.transform;
}
}
}
}
public void OnPointerEnter(PointerEventData eventData)
{
//泥嚎
}
public void OnEndDrag(PointerEventData eventData)
{
games.Add(start.GetComponent<sta>());
jcGame();
while (games.Count > 0)
{
if (games.Count == 1)
{
games.Clear();
}
else
{
Destroy(games[0].gameObject);
games.RemoveAt(0);
}
}
start = null;
fingerLine.gameObject.SetActive(false);
}
public void jcGame()
{
for (int i = 0; i < ss.Count; i++)
{
(string[] vs, Action ac) = ss[i];
if (vs.Length == games.Count)
{
bool cs = true;
for (int j = 0; j < games.Count; j++)
{
if (games[j].id != vs[j])
{
cs = false;
}
}
if (cs)
{
ac.Invoke();
}
}
else
{
text.text = "手势错误";
}
}
}
}
