From 4b2b1d0a02e95e3d5f8dad6f52d172431ea7c71b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=88=90=E7=8F=A9=E7=90=A6?=
 <10146244+cheng-hengqi@user.noreply.gitee.com>
Date: Fri, 31 Dec 2021 15:54:20 +0000
Subject: [PATCH] add project/g211203/index.js.

---
 project/g211203/index.js | 368 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 368 insertions(+)
 create mode 100644 project/g211203/index.js

diff --git a/project/g211203/index.js b/project/g211203/index.js
new file mode 100644
index 0000000..b9d350f
--- /dev/null
+++ b/project/g211203/index.js
@@ -0,0 +1,368 @@
+Page({
+
+  data: {
+  gameStart: false,  // 游戏是否开始
+  score: 0, 
+  maxScore: 0, 
+  isMaxActive: false,
+  rows: 20, 
+  cols: 22,
+  ground: [[]], 
+  snake: '', 
+  food: [], 
+  startX: 0,
+  startY: 0,
+  endX: 0,
+  endY: 0,
+  flag: 0, // 贪吃蛇移动方向，0右1下2左3上
+ 
+  timer: null,
+  modaleHidden: true
+  },
+ 
+   onLoad: function (options) {
+  this.initGround(this.data.rows, this.data.cols) // 初始化操场
+  console.log(wx.getStorageSync("MaxScore"))
+  if (wx.getStorageSync("MaxScore")) {
+   this.setData({
+    maxScore: wx.getStorageSync("MaxScore"),
+    isMaxActive: true
+   })
+  } else {
+   this.setData({
+    isMaxActive: false
+   })
+  }
+  },
+ 
+ goStart: function () {
+  this.setData({
+   gameStart: true
+  })
+  this.onLoad()
+  this.initSnake(3)      // 初始化贪吃蛇位置
+  this.initFood()        // 初始化食物
+  this.move(0)
+ },
+ 
+ /**
+  * 初始化操场
+  */
+ initGround: function (rows, cols) {
+  this.data.ground = []
+  for (let i = 0; i < rows; i++) {
+   let arr = []
+   this.data.ground.push(arr)
+   for (let j = 0; j < cols; j++) {
+    this.data.ground[i].push(0)
+   }
+  }
+  this.setData({
+   ground: this.data.ground
+  })
+ },
+ 
+ /**
+  * 初始化贪吃蛇
+  */
+ initSnake: function (n) {
+  this.data.snake = []
+  for (let i = 0; i < n; i++) {
+   this.data.ground[0][i] = 1
+   this.data.snake.push([0,i])
+  }
+  this.setData({
+   ground: this.data.ground,
+   snake: this.data.snake
+  })
+ },
+ 
+ /**
+  * 初始化食物
+  */
+ initFood: function () {
+  let row = Math.floor(Math.random()*this.data.rows)
+  let col = Math.floor(Math.random() * this.data.cols)
+  var ground = this.data.ground
+  ground[row][col] = 2
+  this.setData({
+   ground: ground,
+   food: [row, col]
+  })
+  console.log(this.data.food)
+ },
+ 
+ /**
+  * 判断鼠标滑动方向
+  */
+ touchStart: function (event) {
+  this.data.startX = event.touches[0].pageX
+  this.data.startY = event.touches[0].pageY
+ },
+ 
+ touchMove: function (event) {
+  this.data.endX = event.touches[0].pageX
+  this.data.endY = event.touches[0].pageY
+ },
+ 
+ touchEnd: function (event) {
+  let tX = this.data.endX ? (this.data.endX - this.data.startX) : 0
+  let tY = this.data.endY ? (this.data.endY - this.data.startY) : 0
+  console.log(tX, tY)
+  if (!this.data.gameStart) {
+   return false
+  }
+  if (tY < 0 && Math.abs(tX) <= Math.abs(tY)) { 
+   this.data.flag = 3
+  } else if (tY > 0 && Math.abs(tX) <= Math.abs(tY)) { 
+   this.data.flag = 1
+  } else if (tX < 0 && Math.abs(tX) > Math.abs(tY)) { 
+   this.data.flag = 2
+  } else if (tX > 0 && Math.abs(tX) > Math.abs(tY)) {
+   this.data.flag = 0
+  }
+  if(this.data.modaleHidden){
+   this.move(this.data.flag)
+  }  
+ },
+ /**
+  * snake 移动
+  */
+ move: function (state) {
+  clearInterval(this.data.timer)
+  var that = this
+  switch(state){ 
+   case 0:
+    this.data.timer = setInterval(function(){
+     that.moveRight()
+    }, 600)
+    break
+   case 1:
+    this.data.timer = setInterval(function () {
+     that.moveBottom()
+    }, 600)
+    break
+   case 2:
+    this.data.timer = setInterval(function () {
+     that.moveLeft()
+    }, 600)
+    break
+   case 3:
+    this.data.timer = setInterval(function () {
+     that.moveTop()
+    }, 600)
+    break
+  }
+ },
+ 
+ moveRight: function () {
+  var snakeArr = this.data.snake
+  var snakeLen = snakeArr.length
+  var snakeHead = snakeArr[snakeLen - 1]
+  var snakeTail = snakeArr[0]
+  var ground = this.data.ground
+ 
+  for (var i = 0; i < snakeLen - 1; i++) {
+   snakeArr[i] = snakeArr[i + 1]
+  }
+ 
+  var x = snakeHead[0]
+  var y = snakeHead[1] + 1
+ 
+  if (y >= this.data.cols) {
+   this.gameOver()
+   return
+  }
+ 
+  snakeArr[snakeLen - 1] = [x, y]
+  ground[x][y] = 1
+  ground[snakeTail[0]][snakeTail[1]] = 0
+  this.setData({
+   snake: snakeArr,
+   ground: ground
+  })
+  this.checkGame(snakeTail, [x, y]) 
+ },
+ moveBottom: function () {
+  var snakeArr = this.data.snake
+  var snakeLen = snakeArr.length
+  var snakeHead = snakeArr[snakeLen - 1]
+  var snakeTail = snakeArr[0]
+  var ground = this.data.ground
+ 
+  for (var i = 0; i < snakeLen - 1; i++) {
+   snakeArr[i] = snakeArr[i + 1]
+  }
+ 
+  var x = snakeHead[0] + 1
+  var y = snakeHead[1]
+ 
+  if (x >= this.data.rows) {
+   this.gameOver()
+   return
+  }
+ 
+  snakeArr[snakeLen - 1] = [x, y]
+  ground[x][y] = 1
+  ground[snakeTail[0]][snakeTail[1]] = 0
+  this.setData({
+   snake: snakeArr,
+   ground: ground
+  })
+  this.checkGame(snakeTail, [x, y]) 
+ },
+ moveLeft: function () {
+  var snakeArr = this.data.snake
+  var snakeLen = snakeArr.length
+  var snakeHead = snakeArr[snakeLen - 1]
+  var snakeTail = snakeArr[0]
+  var ground = this.data.ground
+ 
+  for (var i = 0; i < snakeLen - 1; i++) {
+   snakeArr[i] = snakeArr[i + 1]
+  }
+ 
+  var x = snakeHead[0]
+  var y = snakeHead[1] - 1
+ 
+  if (y < 0) {
+   this.gameOver()
+   return
+  }
+ 
+  snakeArr[snakeLen - 1] = [x, y]
+  ground[x][y] = 1
+  ground[snakeTail[0]][snakeTail[1]] = 0
+  this.setData({
+   snake: snakeArr,
+   ground: ground
+  })
+  this.checkGame(snakeTail, [x, y]) 
+ },
+ moveTop: function () {
+  var snakeArr = this.data.snake
+  var snakeLen = snakeArr.length
+  var snakeHead = snakeArr[snakeLen - 1]
+  var snakeTail = snakeArr[0]
+  var ground = this.data.ground
+ 
+  for (var i = 0; i < snakeLen - 1; i++) {
+   snakeArr[i] = snakeArr[i + 1]
+  }
+ 
+  var x = snakeHead[0] - 1
+  var y = snakeHead[1]
+ 
+  if (x < 0) {
+   this.gameOver()
+   return
+  }
+ 
+  snakeArr[snakeLen - 1] = [x, y]
+  ground[x][y] = 1
+  console.log(y)
+  ground[snakeTail[0]][snakeTail[1]] = 0
+  this.setData({
+   snake: snakeArr,
+   ground: ground
+  })
+  this.checkGame(snakeTail, [x, y])
+ },
+ 
+ /**
+  * 检查gameover
+  * 撞墙 - gameover，弹出框提示是否重新开始，重新load
+  * 自己撞到自己 - gameover
+  * 吃到食物 - 贪吃蛇身体变长，重新生成食物
+  */
+ checkGame: function  (snakeTail, snakeHead) {
+  console.log("测试snake移动")
+  console.log(snakeHead)
+   
+  var snakeArrs = this.data.snake
+  var len = this.data.snake.length
+  var food = this.data.food
+  var ground = this.data.ground
+ 
+  console.log(this.data.snake[len-1])
+  // 判断有没有撞墙
+  if (snakeHead[0] >= 0 & snakeHead[0] < this.data.rows & snakeHead[1] >= 0 & snakeHead[1] < this.data.cols)
+  {   
+   this.data.modaleHidden = true
+   this.collisionSnakeFood(snakeTail, snakeHead, food)
+   this.setData({
+    modaleHidden: this.data.modaleHidden
+   })
+  } else {
+   this.gameOver()
+   return
+  }
+ },
+ 
+ // 撞到食物，游戏继续
+ collisionSnakeFood: function (tail, head, food) {
+  let snake = this.data.snake
+  let ground = this.data.ground
+  let row = food[0]
+  let col = food[1]
+  let score = this.data.score
+  let maxScore = this.data.maxScore
+  if (head[0] === food[0] & head[1] === food[1]) {
+   ground[row][col] = 1
+   snake.unshift(tail)
+   ground[tail[0]][tail[1]] = 1
+   this.initFood()
+   score += 5
+   if (!this.data.isMaxActive) {
+    maxScore = score
+   }
+  }
+  this.setData({
+   snake: snake,
+   ground: ground,
+   score: score,
+   maxScore: maxScore
+  })
+ },
+ 
+ // 游戏结束
+ gameOver: function () {
+  clearInterval(this.data.timer)
+  let _that = this
+  let maxS = this.data.maxScore
+  this.setData({
+   modaleHidden: false,
+   timer: null
+  })
+  if (wx.getStorageSync("MaxScore")){
+   let hisScore = wx.getStorageSync("MaxScore")
+   if (hisScore < maxS) {
+    wx.setStorageSync("MaxScore", maxS)
+   }
+  } else {
+   wx.setStorageSync("MaxScore", maxS)
+  }
+  wx.showModal({
+   title: '游戏失败',
+   content: '点击确定，重新开始新一局游戏；点击取消，返回首页',
+   success: function(res) {
+    if(res.confirm) {
+     _that.setData({
+      score: 0,
+      gameStart: false,  
+      snake: '', 
+      food: [],
+      modaleHidden: true
+     })
+     _that.onLoad()
+    }
+   }
+  })
+ },
+ 
+  
+  onShareAppMessage: function () {
+   
+  }
+})
+//后面的部分代码寻求了我哥哥的帮助
\ No newline at end of file
-- 
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