Merge pull request #135 from idolescent/main

update source code

teams/卧龙小余/moon_version.txt

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+moon 0.1.20241106 (79e45ae 2024-11-06) ~\.moon\bin\moon.exe
+moonc v0.1.20241106+8f17a3fc7 ~\.moon\bin\moonc.exe
+moonrun 0.1.20241106 (79e45ae 2024-11-06) ~\.moon\bin\moonrun.exe

teams/卧龙小余/src/main/main.mbt

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+// race-car game 
+
+struct CarModel {    //car 
+  mut x : Int
+  mut y : Int
+  width : Int
+  height : Int
+  mut isDown:Bool
+}
+
+struct ObstacleItem {    //障碍
+   x : Int
+  mut y : Int
+  width : Int
+  height : Int
+  obstacleSpawnInterval:Int   //生成速度 时间间隔 // Time interval in milliseconds  
+}
+
+struct GameStateModel {  // 游戏状态
+  mut score : Int
+  mut gameTitle : String
+  mut isGameOver : Bool
+}
+
+let car : CarModel = { 
+  x: 80,
+  y: 140,
+  width: 20,
+  height: 40,
+  isDown:false
+}
+
+let obstacle : Array[ObstacleItem] = [{ x: 160, y: 60, width: 20, height: 40,obstacleSpawnInterval:2000 }] // 管道初始化
+
+let obstacleSpeed = 1 
+
+let gameState : GameStateModel = {   
+  score: 0,
+  gameTitle: "start",
+  isGameOver: false,
+}
+
+let random : @random.Rand = @random.new()
+let screen_size = 160  
+
+//绘制car
+pub fn drawcar() -> Unit {
+  @wasm4.set_draw_colors(2)
+  @wasm4.rect(car.x, car.y, 20, 20)
+}
+
+//控制car
+pub fn controlcar() -> Unit {
+  if @wasm4.get_gamepad(index=1).button_right && car.x < 160 {
+    car.x += 1
+  } else if @wasm4.get_gamepad(index=1).button_down && car.y < 160 {
+  } else if @wasm4.get_gamepad(index=1).button_left && car.x >= 0 {
+    car.x -= 2
+  } else if @wasm4.get_gamepad(index=1).button_up && car.y >= 0 {
+  }
+  drawcar()
+}
+
+// 更新car
+pub fn updatecar() -> Unit {
+  if car.y + car.height > screen_size {
+    gameState.gameTitle = "gameOver"
+    car.y=140
+  } else if car.y < 0 {
+    car.y=140
+  }
+}
+
+//绘制障碍物
+pub fn drawObstacle() -> Unit {
+  for item in obstacle {
+    @wasm4.set_draw_colors(3)
+    @wasm4.rect(item.x, item.y, item.width, item.height)
+  }
+}
+
+// 循环生成障碍物
+pub fn addPipe() -> Unit {
+  let x = random.int(limit=10) * (screen_size - 20)/10;
+  let y = -20;
+  obstacle.push({ x: x, y: y, width: 20, height:40,obstacleSpawnInterval:2000 })
+}
+
+// 障碍物坐标更新
+pub fn updateobstacle() -> Unit {
+  for item in obstacle {
+    item.y += obstacleSpeed
+    if item.y  > screen_size {
+      gameState.score += 1
+      let a = obstacle.pop()
+      addPipe()
+    }
+  }
+}
+
+// 检查碰撞
+pub fn checkCollisions() -> Unit {
+  for item in obstacle {
+    if car.x < item.x + item.width && car.x + car.width > item.x {
+      if car.y < item.y+item.height && car.y+car.height> item.y {
+        gameOver()
+      }
+    }
+  }
+}
+
+pub fn gameOver()->Unit{
+        gameState.gameTitle = "gameover"
+        gameState.isGameOver = true
+        @wasm4.set_draw_colors(3)
+        @wasm4.text("Game Over!", 40, 80)
+}
+
+pub fn drawScore() -> Unit {
+  @wasm4.set_draw_colors(3)
+  @wasm4.text("score: "+gameState.score.to_string(), 50, 0)
+}
+
+
+
+pub fn start() -> Unit {
+  @wasm4.set_palette(1, @wasm4.rgb(0xF7F7F7)) //背景    白色
+  @wasm4.set_palette(2, @wasm4.rgb(0xffc000)) //汽车    黄色
+  @wasm4.set_palette(3, @wasm4.rgb(0x19A15F)) //障碍物  黑色
+  @wasm4.set_palette(4, @wasm4.rgb(0xFFFFFF)) //背景    白色
+}
+
+pub fn update() -> Unit {
+  if(gameState.isGameOver==false){
+        updatecar()
+        controlcar()
+        drawObstacle()
+        drawScore()
+        updateobstacle()
+        checkCollisions()
+  }else{
+        drawScore()
+        gameOver()
+  }
+}

teams/卧龙小余/src/main/moon.pkg.json

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+{
+  // "is-main": true,
+  "import": ["moonbitlang/wasm4"],
+  "link": {
+    "wasm-gc": {
+      "exports": ["start", "update"],
+      "import-memory": {
+        "module": "env",
+        "name": "memory"
+      }
+    },
+    "wasm": {
+      "exports": ["start", "update"],
+      "import-memory": {
+        "module": "env",
+        "name": "memory"
+      },
+      "heap-start-address": 6590
+    }
+  }
+}