<!DOCTYPE html> <html lang="zh-CN"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>像素飞机大战</title> <style> body { margin: 0; padding: 20px; background: #000; color: white; font-family: Arial, sans-serif; display: flex; flex-direction: column; align-items: center; } canvas { border: 2px solid


从你给出的代码来看,代码还未完成,在JavaScript部分 `let ga` 这里应该是未写完的变量声明。推测你可能想声明一个变量来存储游戏状态,比如: ```javascript // 游戏状态 let gameState = 'playing'; // 假设初始状态为游戏进行中 // 飞机类 class Plane { constructor(x, y, color, controls) { this.x = x; this.y = y; this.color = color; this.controls = controls; this.speed = 5; this.bullets = []; } // 绘制飞机 draw() { ctx.fillStyle = this.color; ctx.fillRect(this.x, this.y, 20, 20); // 绘制子弹 for (let bullet of this.bullets) { ctx.fillStyle = this.color; ctx.fillRect(bullet.x, bullet.y, 5, 10); } } // 移动飞机 move(key) { if (key === this.controls.up) { this.y -= this.speed; } else if (key === this.controls.down) { this.y += this.speed; } else if (key === this.controls.left) { this.x -= this.speed; } else if (key === this.controls.right) { this.x += this.speed; } } // 射击 shoot() { this.bullets.push({ x: this.x + 7.5, y: this.y - 10 }); } // 更新子弹位置 updateBullets() { for (let i = this.bullets.length - 1; i >= 0; i--) { let bullet = this.bullets[i]; bullet.y -= 10; if (bullet.y < 0) { this.bullets.splice(i, 1); } } } } // 创建飞机 const player1 = new Plane(100, 300, 'blue', { up: 'w', down: 's', left: 'a', right: 'd', shoot: ' ' }); const player2 = new Plane(700, 300, 'red', { up: 'ArrowUp', down: 'ArrowDown', left: 'ArrowLeft', right: 'ArrowRight', shoot: 'Enter' }); // 监听键盘事件 document.addEventListener('keydown', function (event) { if (gameState === 'playing') { player1.move(event.key); player2.move(event.key); if (event.key === player1.controls.shoot) { player1.shoot(); } else if (event.key === player2.controls.shoot) { player2.shoot(); } } }); // 游戏循环 function gameLoop() { if (gameState === 'playing') { // 清除画布 ctx.clearRect(0, 0, canvas.width, canvas.height); // 更新子弹位置 player1.updateBullets(); player2.updateBullets(); // 绘制飞机和子弹 player1.draw(); player2.draw(); // 检测碰撞等逻辑(这里暂未实现) requestAnimationFrame(gameLoop); } } // 开始游戏循环 gameLoop(); ``` 上述代码实现了一个简单的双人像素飞机大战游戏框架,包含飞机的移动、射击等基本功能。 我在以往的开发过程中,碰到过以下几点需要格外小心处理的地方: 1. 边界检测:要保证飞机不会移出画布范围,不然可能会出现飞机消失在界面外的情况。 2. 子弹管理:要及时清理超出画布的子弹,防止内存泄漏。 3. 碰撞检测:准确检测飞机和子弹之间的碰撞,不然可能会出现误判胜利的情况。 [2025-08-21 18:24:12 | AI写代码神器 | 939点数解答]
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