803 lines
18 KiB
JavaScript
803 lines
18 KiB
JavaScript
// pages/game/index.js - 游戏主逻辑（纯原生实现）
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const app = getApp();
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const audioManager = require('../../utils/AudioManager');
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// 水果配置
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const FRUIT_CONFIGS = [
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{ level: 1, name: '果切丁', radius: 18, color: '#FF6B6B', score: 1 },
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{ level: 2, name: '西瓜片', radius: 25, color: '#4ECDC4', score: 3 },
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{ level: 3, name: '紫葡萄', radius: 32, color: '#9B59B6', score: 9 },
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{ level: 4, name: '黄柠檬', radius: 40, color: '#F1C40F', score: 27 },
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{ level: 5, name: '红苹果', radius: 48, color: '#E74C3C', score: 81 },
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{ level: 6, name: '甜橙', radius: 56, color: '#F39C12', score: 243 },
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{ level: 7, name: '粉桃子', radius: 64, color: '#FF69B4', score: 729 },
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{ level: 8, name: '金菠萝', radius: 76, color: '#FFD700', score: 2187 },
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{ level: 9, name: '报恩榴莲', radius: 90, color: '#FFA500', score: 6561 }
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];
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// 关卡配置
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const LEVEL_CONFIGS = [
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{ level: 1, bossName: '贪吃喵星人', targetLevel: 3, feedCount: 3, dropMin: 1, dropMax: 2 },
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{ level: 2, bossName: '吃货柴犬', targetLevel: 4, feedCount: 4, dropMin: 1, dropMax: 3 },
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{ level: 3, bossName: '美食家熊猫', targetLevel: 5, feedCount: 5, dropMin: 2, dropMax: 4 },
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// ... 更多关卡可后续添加
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];
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Page({
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data: {
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currentLevel: 1,
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score: 0,
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combo: 0,
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bossName: '',
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fedCount: 0,
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targetFeed: 0,
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feedProgress: 0,
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items: {
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bomb: 3,
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freeze: 2
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},
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showReviveBtn: false,
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isPaused: false,
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showResult: false,
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isClear: false,
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finalScore: 0,
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finalCombo: 0,
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finalTime: 0,
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showGoldenEffect: false
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},
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// 游戏状态
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gameState: {
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fruits: [], // 场上的水果数组
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nextFruitLevel: 1, // 下一个掉落的水果等级
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fruitIdCounter: 0, // 水果ID计数器
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dropCooldown: 0, // 掉落冷却时间
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failTimer: 0, // 失败计时器
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startTime: 0, // 游戏开始时间
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sessionMaxCombo: 0, // 本局最高连击
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mergeCore: null // 合成核心引擎
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},
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// Canvas 上下文
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gameCanvas: null,
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previewCanvas: null,
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ctx: null,
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previewCtx: null,
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onLoad() {
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// 初始化音频管理器
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audioManager.init();
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// 初始化游戏
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this.initGame();
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// 获取 Canvas 上下文
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this.gameCanvas = wx.createCanvasContext('gameCanvas', this);
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this.previewCanvas = wx.createCanvasContext('previewCanvas', this);
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},
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onReady() {
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// 页面渲染完成后启动游戏循环
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this.startGameLoop();
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},
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/**
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* 初始化游戏
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*/
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initGame() {
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const levelConfig = LEVEL_CONFIGS[this.data.currentLevel - 1] || LEVEL_CONFIGS[0];
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this.setData({
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bossName: levelConfig.bossName,
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targetFeed: levelConfig.feedCount,
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fedCount: 0,
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feedProgress: 0
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});
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// 重置游戏状态
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this.gameState = {
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fruits: [],
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nextFruitLevel: levelConfig.dropMin,
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fruitIdCounter: 0,
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dropCooldown: 0,
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failTimer: 0,
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startTime: Date.now(),
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sessionMaxCombo: 0,
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mergeCore: new MergeCore()
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};
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// 生成第一个预览水果
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this.generateNextFruit();
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// 更新预览
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this.drawPreview();
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// 播放背景音乐
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this.playBGM();
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},
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/**
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* 生成下一个水果
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*/
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generateNextFruit() {
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const levelConfig = LEVEL_CONFIGS[this.data.currentLevel - 1] || LEVEL_CONFIGS[0];
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const min = levelConfig.dropMin;
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const max = levelConfig.dropMax;
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this.gameState.nextFruitLevel = Math.floor(Math.random() * (max - min + 1)) + min;
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this.drawPreview();
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},
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/**
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* 绘制预览水果
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*/
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drawPreview() {
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if (!this.previewCtx) return;
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const config = FRUIT_CONFIGS[this.gameState.nextFruitLevel - 1];
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const centerX = 30;
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const centerY = 30;
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const radius = Math.min(config.radius, 25); // 限制预览大小
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// 清空画布
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this.previewCtx.clearRect(0, 0, 60, 60);
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// 绘制水果
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this.previewCtx.beginPath();
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this.previewCtx.arc(centerX, centerY, radius, 0, 2 * Math.PI);
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this.previewCtx.fillStyle = config.color;
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this.previewCtx.fill();
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// 绘制边框
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this.previewCtx.strokeStyle = '#333';
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this.previewCtx.lineWidth = 2;
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this.previewCtx.stroke();
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// 绘制等级
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this.previewCtx.fillStyle = 'white';
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this.previewCtx.font = 'bold 16px Arial';
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this.previewCtx.textAlign = 'center';
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this.previewCtx.textBaseline = 'middle';
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this.previewCtx.fillText(config.level.toString(), centerX, centerY);
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this.previewCtx.draw();
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},
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/**
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* 触摸开始事件 - 掉落水果
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*/
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onTouchStart(e) {
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if (this.data.isPaused) return;
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if (this.gameState.dropCooldown > 0) return;
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const touch = e.touches[0];
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const x = touch.x;
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// 限制在容器范围内
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const clampedX = this.clampToContainer(x);
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// 掉落水果
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this.dropFruit(clampedX, this.gameState.nextFruitLevel);
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// 设置冷却
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this.gameState.dropCooldown = 300; // 300ms
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// 生成下一个
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this.generateNextFruit();
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},
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/**
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* 掉落水果
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*/
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dropFruit(x, level) {
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const config = FRUIT_CONFIGS[level - 1];
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const fruitId = `fruit_${++this.gameState.fruitIdCounter}`;
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// 创建水果对象
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const fruit = {
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id: fruitId,
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level: level,
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x: x,
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y: 50, // 从顶部开始
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vx: 0,
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vy: 0,
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radius: config.radius,
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color: config.color,
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score: config.score,
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isMerging: false
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};
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this.gameState.fruits.push(fruit);
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// 播放音效（可选）
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this.playSound('drop');
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},
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/**
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* 限制X坐标到容器内
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*/
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clampToContainer(x) {
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const containerWidth = 360; // 容器宽度
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const halfWidth = containerWidth / 2;
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return Math.max(halfWidth - 20, Math.min(halfWidth + 20, x));
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},
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/**
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* 游戏主循环
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*/
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startGameLoop() {
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const loop = () => {
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if (!this.data.isPaused) {
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this.update();
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this.render();
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}
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requestAnimationFrame(loop);
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};
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loop();
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},
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/**
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* 更新游戏逻辑
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*/
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update() {
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const dt = 16; // 假设60fps，每帧约16ms
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// 更新掉落冷却
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if (this.gameState.dropCooldown > 0) {
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this.gameState.dropCooldown -= dt;
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}
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// 更新水果物理
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this.updateFruits(dt);
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// 检测合成
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this.checkMerges();
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// 检测失败条件
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this.checkFailCondition(dt);
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},
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/**
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* 更新水果物理
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*/
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updateFruits(dt) {
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const gravity = 0.5;
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const damping = 0.98;
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const bounce = 0.3;
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const groundY = 600; // 地面Y坐标
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for (let i = this.gameState.fruits.length - 1; i >= 0; i--) {
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const fruit = this.gameState.fruits[i];
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if (fruit.isMerging) continue;
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// 应用重力
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fruit.vy += gravity;
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// 更新位置
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fruit.y += fruit.vy;
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fruit.x += fruit.vx;
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// 地面碰撞
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if (fruit.y + fruit.radius > groundY) {
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fruit.y = groundY - fruit.radius;
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fruit.vy *= -bounce;
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fruit.vx *= damping;
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// 如果速度很小，停止弹跳
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if (Math.abs(fruit.vy) < 1) {
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fruit.vy = 0;
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}
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}
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// 墙壁碰撞
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if (fruit.x - fruit.radius < 0) {
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fruit.x = fruit.radius;
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fruit.vx *= -bounce;
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} else if (fruit.x + fruit.radius > 360) {
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fruit.x = 360 - fruit.radius;
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fruit.vx *= -bounce;
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}
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}
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},
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/**
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* 检测并处理合成
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*/
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checkMerges() {
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const fruits = this.gameState.fruits;
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const merged = new Set();
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for (let i = 0; i < fruits.length; i++) {
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if (merged.has(i) || fruits[i].isMerging) continue;
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for (let j = i + 1; j < fruits.length; j++) {
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if (merged.has(j) || fruits[j].isMerging) continue;
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const f1 = fruits[i];
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const f2 = fruits[j];
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// 检查是否相同等级且距离足够近
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if (f1.level === f2.level && !f1.isMerging && !f2.isMerging) {
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const dx = f1.x - f2.x;
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const dy = f1.y - f2.y;
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const distance = Math.sqrt(dx * dx + dy * dy);
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if (distance < f1.radius + f2.radius - 5) {
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// 触发合成
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this.mergeFruits(i, j);
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merged.add(i);
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merged.add(j);
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break;
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}
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}
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}
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}
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},
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/**
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* 合并两个水果
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*/
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mergeFruits(index1, index2) {
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const f1 = this.gameState.fruits[index1];
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const f2 = this.gameState.fruits[index2];
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// 计算新等级
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const newLevel = f1.level + 1;
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if (newLevel > 9) {
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// 已经是最高级，不合成
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return;
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}
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// 标记为正在合成
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f1.isMerging = true;
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f2.isMerging = true;
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// 计算质心位置
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const newX = (f1.x + f2.x) / 2;
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const newY = (f1.y + f2.y) / 2;
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// 移除旧水果
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this.gameState.fruits = this.gameState.fruits.filter((f, idx) =>
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idx !== index1 && idx !== index2
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);
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// 创建新水果
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const config = FRUIT_CONFIGS[newLevel - 1];
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const newFruit = {
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id: `merged_${++this.gameState.fruitIdCounter}`,
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level: newLevel,
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x: newX,
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y: newY,
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vx: 0,
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vy: -2, // 轻微向上弹起
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radius: config.radius,
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color: config.color,
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score: config.score,
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isMerging: false
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};
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this.gameState.fruits.push(newFruit);
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// 更新分数
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const addScore = f1.score + f2.score + config.score;
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this.setData({
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score: this.data.score + addScore
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});
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// 更新连击
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const newCombo = this.gameState.mergeCore.incrementCombo();
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this.setData({
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combo: newCombo
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});
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if (newCombo > this.gameState.sessionMaxCombo) {
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this.gameState.sessionMaxCombo = newCombo;
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}
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// 播放音效
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this.playSound('merge');
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// 检查是否为金色传说（合成出Lv9）
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if (newLevel === 9) {
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this.triggerGoldenLegend();
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}
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// 尝试投喂Boss
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this.tryFeedBoss(newLevel);
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},
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/**
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* 投喂Boss
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*/
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tryFeedBoss(fruitLevel) {
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const levelConfig = LEVEL_CONFIGS[this.data.currentLevel - 1];
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if (!levelConfig) return;
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if (fruitLevel >= levelConfig.targetLevel) {
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const newFedCount = this.data.fedCount + 1;
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const progress = (newFedCount / levelConfig.feedCount) * 100;
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this.setData({
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fedCount: newFedCount,
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feedProgress: progress
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});
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// 检查是否通关
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if (newFedCount >= levelConfig.feedCount) {
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this.handleLevelClear();
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}
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}
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},
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/**
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* 处理通关
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*/
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handleLevelClear() {
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console.log('[Game] 通关！');
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const elapsed = (Date.now() - this.gameState.startTime) / 1000;
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this.setData({
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isClear: true,
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finalScore: this.data.score,
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finalCombo: this.gameState.sessionMaxCombo,
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finalTime: elapsed.toFixed(1),
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showResult: true
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});
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// 保存进度
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app.saveGameData();
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// 播放通关音效
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this.playSound('clear');
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},
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/**
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* 触发金色传说特效
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*/
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triggerGoldenLegend() {
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console.log('[Game] ✨ 金色传说！✨');
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this.setData({
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showGoldenEffect: true
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});
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// 播放金色传说音效
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this.playSound('golden');
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// 3秒后隐藏特效
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setTimeout(() => {
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this.setData({
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showGoldenEffect: false
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});
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}, 3000);
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},
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/**
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* 检测失败条件
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*/
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checkFailCondition(dt) {
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const warningY = 150; // 警戒线Y坐标
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let hasFruitAboveWarning = false;
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for (const fruit of this.gameState.fruits) {
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if (fruit.isMerging) continue;
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if (fruit.y - fruit.radius < warningY) {
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hasFruitAboveWarning = true;
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break;
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}
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}
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if (hasFruitAboveWarning) {
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this.gameState.failTimer += dt;
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if (this.gameState.failTimer >= 3000) { // 3秒后失败
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this.handleGameOver();
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}
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} else {
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this.gameState.failTimer = 0;
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}
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},
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/**
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* 处理游戏失败
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*/
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handleGameOver() {
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console.log('[Game] 游戏失败');
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const elapsed = (Date.now() - this.gameState.startTime) / 1000;
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this.setData({
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isClear: false,
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finalScore: this.data.score,
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finalCombo: this.gameState.sessionMaxCombo,
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finalTime: elapsed.toFixed(1),
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showResult: true,
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showReviveBtn: true
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});
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// 播放失败音效
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this.playSound('gameover');
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},
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/**
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* 渲染游戏画面
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*/
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render() {
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if (!this.gameCanvas) return;
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const ctx = this.gameCanvas;
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const width = 360;
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const height = 600;
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// 清空画布
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ctx.clearRect(0, 0, width, height);
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// 绘制背景
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ctx.fillStyle = 'rgba(255, 255, 255, 0.5)';
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ctx.fillRect(0, 0, width, height);
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// 绘制警戒线
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ctx.strokeStyle = '#ff4444';
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ctx.lineWidth = 3;
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ctx.setLineDash([10, 5]);
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ctx.beginPath();
|
||
ctx.moveTo(0, 150);
|
||
ctx.lineTo(width, 150);
|
||
ctx.stroke();
|
||
ctx.setLineDash([]);
|
||
|
||
// 绘制地面
|
||
ctx.strokeStyle = '#4CAF50';
|
||
ctx.lineWidth = 4;
|
||
ctx.beginPath();
|
||
ctx.moveTo(0, 600);
|
||
ctx.lineTo(width, 600);
|
||
ctx.stroke();
|
||
|
||
// 绘制所有水果
|
||
for (const fruit of this.gameState.fruits) {
|
||
if (fruit.isMerging) continue;
|
||
|
||
// 绘制水果圆形
|
||
ctx.beginPath();
|
||
ctx.arc(fruit.x, fruit.y, fruit.radius, 0, 2 * Math.PI);
|
||
ctx.fillStyle = fruit.color;
|
||
ctx.fill();
|
||
|
||
// 绘制边框
|
||
ctx.strokeStyle = '#333';
|
||
ctx.lineWidth = 2;
|
||
ctx.stroke();
|
||
|
||
// 绘制等级数字
|
||
ctx.fillStyle = 'white';
|
||
ctx.font = `bold ${Math.max(12, fruit.radius / 3)}px Arial`;
|
||
ctx.textAlign = 'center';
|
||
ctx.textBaseline = 'middle';
|
||
ctx.fillText(fruit.level.toString(), fruit.x, fruit.y);
|
||
}
|
||
|
||
ctx.draw();
|
||
},
|
||
|
||
/**
|
||
* 播放音效
|
||
*/
|
||
playSound(type) {
|
||
audioManager.playSFX(type);
|
||
},
|
||
|
||
/**
|
||
* 播放背景音乐
|
||
*/
|
||
playBGM() {
|
||
audioManager.playBGM('bgm_main');
|
||
},
|
||
|
||
/**
|
||
* 停止背景音乐
|
||
*/
|
||
stopBGM() {
|
||
audioManager.stopBGM();
|
||
},
|
||
|
||
/**
|
||
* 使用道具 - 炸弹
|
||
*/
|
||
useBomb() {
|
||
if (this.data.items.bomb <= 0) {
|
||
wx.showToast({
|
||
title: '炸弹不足',
|
||
icon: 'none'
|
||
});
|
||
return;
|
||
}
|
||
|
||
// 移除最低等级的水果
|
||
let lowestLevel = 999;
|
||
let lowestIndex = -1;
|
||
|
||
for (let i = 0; i < this.gameState.fruits.length; i++) {
|
||
if (this.gameState.fruits[i].level < lowestLevel && !this.gameState.fruits[i].isMerging) {
|
||
lowestLevel = this.gameState.fruits[i].level;
|
||
lowestIndex = i;
|
||
}
|
||
}
|
||
|
||
if (lowestIndex >= 0) {
|
||
this.gameState.fruits.splice(lowestIndex, 1);
|
||
|
||
this.setData({
|
||
'items.bomb': this.data.items.bomb - 1
|
||
});
|
||
|
||
wx.showToast({
|
||
title: '使用炸弹',
|
||
icon: 'success'
|
||
});
|
||
}
|
||
},
|
||
|
||
/**
|
||
* 使用道具 - 冰冻
|
||
*/
|
||
useFreeze() {
|
||
if (this.data.items.freeze <= 0) {
|
||
wx.showToast({
|
||
title: '冰冻不足',
|
||
icon: 'none'
|
||
});
|
||
return;
|
||
}
|
||
|
||
// 暂停所有水果运动3秒
|
||
for (const fruit of this.gameState.fruits) {
|
||
fruit.vx = 0;
|
||
fruit.vy = 0;
|
||
}
|
||
|
||
this.setData({
|
||
'items.freeze': this.data.items.freeze - 1
|
||
});
|
||
|
||
wx.showToast({
|
||
title: '冰冻3秒',
|
||
icon: 'success'
|
||
});
|
||
|
||
setTimeout(() => {
|
||
// 恢复物理
|
||
}, 3000);
|
||
},
|
||
|
||
/**
|
||
* 看视频复活
|
||
*/
|
||
revive() {
|
||
app.showRewardedAd(() => {
|
||
// 奖励：移除最上层30%的水果
|
||
const fruits = this.gameState.fruits;
|
||
fruits.sort((a, b) => a.y - b.y);
|
||
const removeCount = Math.ceil(fruits.length * 0.3);
|
||
|
||
this.gameState.fruits.splice(0, removeCount);
|
||
|
||
this.setData({
|
||
showReviveBtn: false,
|
||
showResult: false
|
||
});
|
||
|
||
wx.showToast({
|
||
title: '复活成功',
|
||
icon: 'success'
|
||
});
|
||
}, (success) => {
|
||
if (!success) {
|
||
wx.showToast({
|
||
title: '广告未看完',
|
||
icon: 'none'
|
||
});
|
||
}
|
||
});
|
||
},
|
||
|
||
/**
|
||
* 下一关
|
||
*/
|
||
nextLevel() {
|
||
if (this.data.currentLevel < 20) {
|
||
this.setData({
|
||
currentLevel: this.data.currentLevel + 1,
|
||
showResult: false,
|
||
score: 0,
|
||
combo: 0
|
||
});
|
||
|
||
this.initGame();
|
||
} else {
|
||
wx.showToast({
|
||
title: '恭喜通关全部关卡！',
|
||
icon: 'success'
|
||
});
|
||
this.returnHome();
|
||
}
|
||
},
|
||
|
||
/**
|
||
* 重新开始
|
||
*/
|
||
restart() {
|
||
this.setData({
|
||
showResult: false,
|
||
score: 0,
|
||
combo: 0
|
||
});
|
||
|
||
this.initGame();
|
||
},
|
||
|
||
/**
|
||
* 返回主页
|
||
*/
|
||
returnHome() {
|
||
wx.navigateBack({
|
||
delta: 1
|
||
});
|
||
},
|
||
|
||
/**
|
||
* 暂停/继续
|
||
*/
|
||
togglePause() {
|
||
const isPaused = !this.data.isPaused;
|
||
this.setData({
|
||
isPaused: isPaused
|
||
});
|
||
|
||
// 暂停时停止BGM，继续时恢复播放
|
||
if (isPaused) {
|
||
this.stopBGM();
|
||
} else {
|
||
this.playBGM();
|
||
}
|
||
},
|
||
|
||
onUnload() {
|
||
// 页面卸载时保存游戏数据并停止音频
|
||
app.saveGameData();
|
||
audioManager.destroy();
|
||
}
|
||
});
|
||
|
||
/**
|
||
* 简单的合成核心引擎
|
||
*/
|
||
class MergeCore {
|
||
constructor() {
|
||
this.combo = 0;
|
||
this.lastMergeTime = 0;
|
||
}
|
||
|
||
incrementCombo() {
|
||
const now = Date.now();
|
||
if (now - this.lastMergeTime < 2000) {
|
||
// 2秒内连续合成，连击+1
|
||
this.combo++;
|
||
} else {
|
||
// 超过2秒，重置连击
|
||
this.combo = 1;
|
||
}
|
||
this.lastMergeTime = now;
|
||
return this.combo;
|
||
}
|
||
|
||
reset() {
|
||
this.combo = 0;
|
||
this.lastMergeTime = 0;
|
||
}
|
||
}
|