{"id":208,"date":"2025-11-24T20:21:03","date_gmt":"2025-11-24T12:21:03","guid":{"rendered":"https:\/\/caoxunyi.cn\/?p=208"},"modified":"2025-11-24T20:21:03","modified_gmt":"2025-11-24T12:21:03","slug":"%e4%bb%8e%e9%9b%b6%e5%bc%80%e5%a7%8b%e5%88%b6%e4%bd%9c%e4%b8%80%e4%b8%aa%e7%bd%91%e9%a1%b5%e7%89%88%e6%8b%b3%e7%9a%87%e6%a0%bc%e6%96%97%e6%b8%b8%e6%88%8f","status":"publish","type":"post","link":"https:\/\/caoxunyi.cn\/index.php\/208\/","title":{"rendered":"\u4ece\u96f6\u5f00\u59cb\u5236\u4f5c\u4e00\u4e2a\u7f51\u9875\u7248\u62f3\u7687\u683c\u6597\u6e38\u620f"},"content":{"rendered":"<blockquote>\n<p><strong>\u672c\u6559\u7a0b\u5b8c\u6574\u4ee3\u7801<\/strong>\uff1a<a href=\"https:\/\/github.com\/awkker\/kof\" target=\"_blank\"  rel=\"nofollow\" >https:\/\/github.com\/awkker\/kof<\/a>\n<strong>\u672c\u535a\u5ba2\u5b66\u4e60\u6765\u6e90<\/strong>\uff1a<a href=\"https:\/\/www.acwing.com\/activity\/content\/1150\/\" target=\"_blank\"  rel=\"nofollow\" >https:\/\/www.acwing.com\/activity\/content\/1150\/<\/a><\/p>\n<\/blockquote>\n<h2>\u524d\u8a00<\/h2>\n<p>\u672c\u535a\u5ba2\u5c06\u8bb0\u5f55\u6211\u4ece\u96f6\u5f00\u59cb\uff0c\u4f7f\u7528\u539f\u751f JavaScript\u3001Canvas API \u548c jQuery \u5236\u4f5c\u4e00\u4e2a\u5b8c\u6574\u76842D\u683c\u6597\u6e38\u620f\u3002\u901a\u8fc7\u8fd9\u4e2a\u9879\u76ee\uff0c\u6211\u5b66\u4e60\u5230\u6e38\u620f\u5f00\u53d1\u7684\u6838\u5fc3\u6982\u5ff5\uff0c\u5305\u62ec\u6e38\u620f\u5faa\u73af\u3001\u89d2\u8272\u63a7\u5236\u3001\u78b0\u649e\u68c0\u6d4b\u3001\u52a8\u753b\u7cfb\u7edf\u7b49\u3002<\/p>\n<h3>\u6280\u672f\u6808<\/h3>\n<ul>\n<li>HTML5 Canvas\uff08\u7528\u4e8e\u6e38\u620f\u6e32\u67d3\uff09<\/li>\n<li>JavaScript ES6+\uff08\u6a21\u5757\u5316\u5f00\u53d1\uff09<\/li>\n<li>jQuery\uff08DOM\u64cd\u4f5c\uff09<\/li>\n<li>GIF.js\uff08GIF\u52a8\u753b\u89e3\u6790\uff09<\/li>\n<\/ul>\n<h3>\u6700\u7ec8\u6548\u679c<\/h3>\n<ul>\n<li>\u53cc\u4eba\u5bf9\u6218\u683c\u6597\u6e38\u620f<\/li>\n<li>\u6d41\u7545\u7684\u89d2\u8272\u52a8\u753b\uff08\u7ad9\u7acb\u3001\u79fb\u52a8\u3001\u8df3\u8dc3\u3001\u653b\u51fb\u3001\u53d7\u51fb\u3001\u6b7b\u4ea1\uff09<\/li>\n<li>\u7269\u7406\u5f15\u64ce\uff08\u91cd\u529b\u3001\u8df3\u8dc3\uff09<\/li>\n<li>\u653b\u51fb\u5224\u5b9a\u7cfb\u7edf<\/li>\n<li>\u8840\u91cf\u4e0e\u8ba1\u65f6\u5668\u7cfb\u7edf<\/li>\n<li>\u81ea\u52a8\u8f6c\u8eab\u9762\u5411\u5bf9\u624b<\/li>\n<\/ul>\n<hr \/>\n<h2>\u7b2c\u4e00\u7ae0\uff1a\u9879\u76ee\u67b6\u6784\u8bbe\u8ba1<\/h2>\n<h3>1.1 \u9879\u76ee\u76ee\u5f55\u7ed3\u6784<\/h3>\n<pre><code>\u62f3\u7687\/\n\u251c\u2500\u2500 miku\/\n\u2502   \u2514\u2500\u2500 index.html          # \u6e38\u620f\u5165\u53e3\u9875\u9762\n\u251c\u2500\u2500 static\/\n\u2502   \u251c\u2500\u2500 css\/\n\u2502   \u2502   \u2514\u2500\u2500 base.css        # \u6837\u5f0f\u6587\u4ef6\n\u2502   \u251c\u2500\u2500 images\/\n\u2502   \u2502   \u251c\u2500\u2500 background\/     # \u80cc\u666f\u56fe\n\u2502   \u2502   \u2514\u2500\u2500 player\/         # \u89d2\u8272\u52a8\u753b\u5e27\n\u2502   \u2502       \u2514\u2500\u2500 kyo\/        # \u8349\u8599\u4eac\u7684GIF\u52a8\u753b\n\u2502   \u2514\u2500\u2500 js\/\n\u2502       \u251c\u2500\u2500 base.js         # \u6e38\u620f\u4e3b\u7c7b\n\u2502       \u251c\u2500\u2500 gif.js          # GIF\u89e3\u6790\u5e93\n\u2502       \u251c\u2500\u2500 game_object\/\n\u2502       \u2502   \u2514\u2500\u2500 base.js     # \u6e38\u620f\u5bf9\u8c61\u57fa\u7c7b\n\u2502       \u251c\u2500\u2500 controller\/\n\u2502       \u2502   \u2514\u2500\u2500 base.js     # \u63a7\u5236\u5668\n\u2502       \u251c\u2500\u2500 map\/\n\u2502       \u2502   \u2514\u2500\u2500 base.js     # \u6e38\u620f\u5730\u56fe\n\u2502       \u2514\u2500\u2500 player\/\n\u2502           \u251c\u2500\u2500 base.js     # \u73a9\u5bb6\u57fa\u7c7b\n\u2502           \u2514\u2500\u2500 kyo.js      # \u5177\u4f53\u89d2\u8272\u7c7b<\/code><\/pre>\n<h3>1.2 \u6838\u5fc3\u8bbe\u8ba1\u601d\u60f3<\/h3>\n<h4>\u6e38\u620f\u5bf9\u8c61\u7cfb\u7edf<\/h4>\n<p>\u6240\u6709\u6e38\u620f\u4e2d\u7684\u5b9e\u4f53\uff08\u5730\u56fe\u3001\u89d2\u8272\u7b49\uff09\u90fd\u7ee7\u627f\u81ea <code>GameObject<\/code> \u57fa\u7c7b\uff0c\u8fd9\u6837\u53ef\u4ee5\uff1a<\/p>\n<ul>\n<li>\u7edf\u4e00\u7ba1\u7406\u6240\u6709\u6e38\u620f\u5bf9\u8c61<\/li>\n<li>\u7edf\u4e00\u7684\u751f\u547d\u5468\u671f\uff08start \u2192 update \u2192 destroy\uff09<\/li>\n<li>\u81ea\u52a8\u6267\u884c\u6e38\u620f\u5faa\u73af<\/li>\n<\/ul>\n<h4>\u9762\u5411\u5bf9\u8c61\u8bbe\u8ba1<\/h4>\n<pre><code>GameObject (\u57fa\u7c7b)\n    \u251c\u2500\u2500 GameMap (\u5730\u56fe)\n    \u2514\u2500\u2500 Player (\u73a9\u5bb6\u57fa\u7c7b)\n            \u2514\u2500\u2500 Kyo (\u5177\u4f53\u89d2\u8272)<\/code><\/pre>\n<hr \/>\n<h2>\u7b2c\u4e8c\u7ae0\uff1a\u6e38\u620f\u6838\u5fc3\u7cfb\u7edf<\/h2>\n<h3>2.1 \u6e38\u620f\u5bf9\u8c61\u57fa\u7c7b (game_object\/base.js)<\/h3>\n<p>\u8fd9\u662f\u6574\u4e2a\u6e38\u620f\u6700\u6838\u5fc3\u7684\u90e8\u5206\uff0c\u5b9e\u73b0\u4e86\u6e38\u620f\u5faa\u73af\u673a\u5236\u3002<\/p>\n<pre><code class=\"lang-javascript language-javascript javascript\">let GAME_OBJECT = []\n\nclass GameObject {\n    constructor() {\n        GAME_OBJECT.push(this);  \/\/ \u81ea\u52a8\u6ce8\u518c\u5230\u5168\u5c40\u5bf9\u8c61\u6570\u7ec4\n        this.timedata = 0;        \/\/ \u5e27\u95f4\u9694\u65f6\u95f4\n        this.has_call_start = false;\n    }\n\n    start() {}    \/\/ \u521d\u59cb\u5316\u65b9\u6cd5\uff0c\u53ea\u6267\u884c\u4e00\u6b21\n    update() {}   \/\/ \u6bcf\u5e27\u6267\u884c\n    destroy() {   \/\/ \u9500\u6bc1\u5bf9\u8c61\n        for(let i in GAME_OBJECT) {\n            if(GAME_OBJECT[i] == this) {\n                GAME_OBJECT.splice(i, 1);\n                break;\n            }\n        }\n    }\n}<\/code><\/pre>\n<h4>\u6e38\u620f\u5faa\u73af<\/h4>\n<pre><code class=\"lang-javascript language-javascript javascript\">let last_timestamp;\n\nlet GAME_OBJECT_FRAME = (timestamp) =&gt; {\n    for(let obj of GAME_OBJECT) {\n        if(!obj.has_call_start) {\n            obj.start();  \/\/ \u9996\u6b21\u8c03\u7528 start\n            obj.has_call_start = true;\n        } else {\n            obj.timedata = timestamp - last_timestamp;  \/\/ \u8ba1\u7b97\u5e27\u95f4\u9694\n            obj.update();  \/\/ \u66f4\u65b0\u6e38\u620f\u72b6\u6001\n        }\n    }\n    last_timestamp = timestamp;\n    requestAnimationFrame(GAME_OBJECT_FRAME);  \/\/ \u4e0b\u4e00\u5e27\n}\n\nrequestAnimationFrame(GAME_OBJECT_FRAME);<\/code><\/pre>\n<p><strong>\u5173\u952e\u70b9\uff1a<\/strong><\/p>\n<ul>\n<li><code>requestAnimationFrame<\/code> \u63d0\u4f9b60fps\u7684\u6d41\u7545\u52a8\u753b<\/li>\n<li><code>timedata<\/code> \u8bb0\u5f55\u5e27\u95f4\u9694\uff0c\u7528\u4e8e\u5b9e\u73b0\u4e0e\u5e27\u7387\u65e0\u5173\u7684\u7269\u7406\u8fd0\u7b97<\/li>\n<li>\u6240\u6709\u7ee7\u627f <code>GameObject<\/code> \u7684\u5bf9\u8c61\u81ea\u52a8\u52a0\u5165\u6e38\u620f\u5faa\u73af<\/li>\n<\/ul>\n<hr \/>\n<h3>2.2 \u63a7\u5236\u5668\u7cfb\u7edf (controller\/base.js)<\/h3>\n<p>\u76d1\u542c\u952e\u76d8\u8f93\u5165\uff0c\u4f7f\u7528 <code>Set<\/code> \u6570\u636e\u7ed3\u6784\u5b58\u50a8\u5f53\u524d\u6309\u4e0b\u7684\u952e\u3002<\/p>\n<pre><code class=\"lang-javascript language-javascript javascript\">export class Controller {\n    constructor($canvas) {\n        this.$canvas = $canvas;\n        this.pressed_keys = new Set();  \/\/ \u5b58\u50a8\u6b63\u5728\u6309\u4e0b\u7684\u952e\n        this.start();\n    }\n\n    start() {\n        let outer = this;\n\n        this.$canvas.keydown(function(e) {\n            outer.pressed_keys.add(e.key);  \/\/ \u6309\u4e0b\u65f6\u6dfb\u52a0\n        })\n\n        this.$canvas.keyup(function(e) {\n            outer.pressed_keys.delete(e.key);  \/\/ \u91ca\u653e\u65f6\u5220\u9664\n        })\n    }\n}<\/code><\/pre>\n<p><strong>\u4e3a\u4ec0\u4e48\u4f7f\u7528 Set\uff1f<\/strong><\/p>\n<ul>\n<li>\u81ea\u52a8\u53bb\u91cd\uff0c\u907f\u514d\u91cd\u590d\u6dfb\u52a0<\/li>\n<li>\u5feb\u901f\u67e5\u627e\uff08<code>has<\/code> \u65b9\u6cd5\uff09<\/li>\n<li>\u652f\u6301\u540c\u65f6\u6309\u4e0b\u591a\u4e2a\u952e<\/li>\n<\/ul>\n<hr \/>\n<h3>2.3 \u6e38\u620f\u5730\u56fe (map\/base.js)<\/h3>\n<p>\u8d1f\u8d23\u521b\u5efaCanvas\u3001\u7ba1\u7406\u63a7\u5236\u5668\u3001\u66f4\u65b0\u8ba1\u65f6\u5668\u3002<\/p>\n<pre><code class=\"lang-javascript language-javascript javascript\">export class GameMap extends GameObject {\n    constructor(root) {\n        super();\n        this.root = root;\n\n        \/\/ \u521b\u5efaCanvas\n        this.$canvas = $('&lt;canvas width=&quot;1280&quot; height=&quot;720&quot; tabindex=0&gt;&lt;\/canvas&gt;');\n        this.ctx = this.$canvas[0].getContext('2d');\n        this.root.$kof.append(this.$canvas);\n        this.$canvas.focus();\n\n        \/\/ \u521b\u5efa\u63a7\u5236\u5668\n        this.controller = new Controller(this.$canvas);\n\n        this.width = this.$canvas.width();\n        this.height = this.$canvas.height();\n\n        \/\/ \u8ba1\u65f6\u5668\n        this.time_left = 60000;  \/\/ 60\u79d2\n        this.$timer = this.root.$kof.find('.kof-header-timer');\n    }\n\n    update() {\n        \/\/ \u66f4\u65b0\u8ba1\u65f6\u5668\n        this.time_left -= this.timedata;\n\n        if(this.time_left &lt; 0) {\n            this.time_left = 0;\n            let [a, b] = this.root.players;\n\n            \/\/ \u65f6\u95f4\u5230\uff0c\u53cc\u65b9\u5e73\u5c40\n            if(a.status !== 6 &amp;&amp; b.status !== 6) {\n                a.status = 6;\n                b.status = 6;\n                a.frame_current_cnt = b.frame_current_cnt = 0;\n                a.vx = b.vx = 0;\n            }\n        }\n\n        this.$timer.text(parseInt(this.time_left \/ 1000));\n        this.render();\n    }\n\n    render() {\n        \/\/ \u6e05\u7a7a\u753b\u5e03\n        this.ctx.clearRect(0, 0, this.width, this.height);\n    }\n}<\/code><\/pre>\n<hr \/>\n<h2>\u7b2c\u4e09\u7ae0\uff1a\u89d2\u8272\u7cfb\u7edf<\/h2>\n<h3>3.1 \u89d2\u8272\u72b6\u6001\u8bbe\u8ba1<\/h3>\n<p>\u89d2\u8272\u67097\u79cd\u72b6\u6001\uff1a<\/p>\n<pre><code class=\"lang-javascript language-javascript javascript\">\/\/ 0\uff1a\u7ad9\u7acb\n\/\/ 1\uff1a\u524d\u8fdb\n\/\/ 2\uff1a\u540e\u9000\n\/\/ 3\uff1a\u8df3\u8dc3\n\/\/ 4\uff1a\u653b\u51fb\n\/\/ 5\uff1a\u53d7\u51fb\n\/\/ 6\uff1a\u6b7b\u4ea1<\/code><\/pre>\n<p>\u6bcf\u79cd\u72b6\u6001\u5bf9\u5e94\u4e00\u4e2aGIF\u52a8\u753b\u6587\u4ef6\u3002<\/p>\n<h3>3.2 \u73a9\u5bb6\u57fa\u7c7b (player\/base.js)<\/h3>\n<h4>\u6784\u9020\u51fd\u6570<\/h4>\n<pre><code class=\"lang-javascript language-javascript javascript\">export class Player extends GameObject {\n    constructor(root, info) {\n        super();\n        this.root = root;\n\n        \/\/ \u4f4d\u7f6e\u548c\u5c3a\u5bf8\n        this.x = info.x;\n        this.y = info.y;\n        this.width = info.width;\n        this.height = info.height;\n        this.id = info.id;\n\n        \/\/ \u8fd0\u52a8\u5c5e\u6027\n        this.vx = 0;  \/\/ \u6c34\u5e73\u901f\u5ea6\n        this.vy = 0;  \/\/ \u5782\u76f4\u901f\u5ea6\n        this.speedx = 400;     \/\/ \u6c34\u5e73\u79fb\u52a8\u901f\u5ea6\n        this.speedy = -1000;   \/\/ \u8df3\u8dc3\u521d\u901f\u5ea6\n        this.gravity = 50;     \/\/ \u91cd\u529b\u52a0\u901f\u5ea6\n\n        \/\/ \u671d\u5411\uff081=\u53f3\uff0c-1=\u5de6\uff09\n        this.direction = 1;\n\n        \/\/ \u6e38\u620f\u72b6\u6001\n        this.status = 3;  \/\/ \u521d\u59cb\u4e3a\u8df3\u8dc3\u72b6\u6001\n        this.frame_current_cnt = 0;  \/\/ \u5f53\u524d\u5e27\u8ba1\u6570\n\n        \/\/ \u6218\u6597\u5c5e\u6027\n        this.hp = 100;\n        this.is_attack_hit = false;  \/\/ \u5f53\u524d\u653b\u51fb\u662f\u5426\u5df2\u547d\u4e2d\n\n        \/\/ UI\u5143\u7d20\n        this.$hp = this.root.$kof.find(`.kof-header-hp${this.id}&gt;div`);\n        this.$hp_div = this.$hp.find('div');\n\n        \/\/ \u52a8\u753b\u7cfb\u7edf\n        this.animations = new Map();\n        this.ctx = this.root.game_map.ctx;\n        this.pressed_keys = this.root.game_map.controller.pressed_keys;\n    }\n}<\/code><\/pre>\n<h3>3.3 \u63a7\u5236\u8f93\u5165\u5904\u7406<\/h3>\n<pre><code class=\"lang-javascript language-javascript javascript\">update_control() {\n    let w, a, d, space;\n\n    \/\/ \u6839\u636e\u73a9\u5bb6ID\u5206\u914d\u4e0d\u540c\u6309\u952e\n    if(this.id === 0) {\n        w = this.pressed_keys.has('w');\n        a = this.pressed_keys.has('a');\n        d = this.pressed_keys.has('d');\n        space = this.pressed_keys.has(' ');\n    } else {\n        w = this.pressed_keys.has('ArrowUp');\n        a = this.pressed_keys.has('ArrowLeft');\n        d = this.pressed_keys.has('ArrowRight');\n        space = this.pressed_keys.has('Enter');\n    }\n\n    \/\/ \u53ea\u6709\u5728\u7ad9\u7acb\u6216\u79fb\u52a8\u72b6\u6001\u624d\u80fd\u54cd\u5e94\u8f93\u5165\n    if(this.status === 0 || this.status === 1) {\n        if(space) {\n            \/\/ \u653b\u51fb\n            this.status = 4;\n            this.vx = 0;\n            this.frame_current_cnt = 0;\n            this.is_attack_hit = false;  \/\/ \u91cd\u7f6e\u653b\u51fb\u547d\u4e2d\u6807\u8bb0\n        } else if(w) {\n            \/\/ \u8df3\u8dc3\n            if(d) {\n                this.vx = this.speedx;   \/\/ \u5411\u53f3\u8df3\n            } else if(a) {\n                this.vx = -this.speedx;  \/\/ \u5411\u5de6\u8df3\n            } else {\n                this.vx = 0;             \/\/ \u5782\u76f4\u8df3\n            }\n            this.vy = this.speedy;\n            this.status = 3;\n        } else if(d) {\n            \/\/ \u5411\u53f3\u79fb\u52a8\n            this.vx = this.speedx;\n            this.status = 1;\n        } else if(a) {\n            \/\/ \u5411\u5de6\u79fb\u52a8\n            this.vx = -this.speedx;\n            this.status = 1;\n        } else {\n            \/\/ \u7ad9\u7acb\n            this.vx = 0;\n            this.status = 0;\n        }\n    }\n}<\/code><\/pre>\n<h3>3.4 \u7269\u7406\u7cfb\u7edf<\/h3>\n<pre><code class=\"lang-javascript language-javascript javascript\">update_move() {\n    \/\/ \u5e94\u7528\u91cd\u529b\n    this.vy += this.gravity;\n\n    \/\/ \u6839\u636e\u901f\u5ea6\u66f4\u65b0\u4f4d\u7f6e\uff08\u4f7f\u7528timedata\u5b9e\u73b0\u5e27\u7387\u65e0\u5173\uff09\n    this.x += this.vx * this.timedata \/ 1000;\n    this.y += this.vy * this.timedata \/ 1000;\n\n    \/\/ \u5730\u9762\u78b0\u649e\u68c0\u6d4b\n    if(this.y &gt; 450) {\n        this.y = 450;\n        this.vy = 0;\n        if(this.status === 3) {\n            this.status = 0;  \/\/ \u843d\u5730\u540e\u56de\u5230\u7ad9\u7acb\u72b6\u6001\n        }\n    }\n\n    \/\/ \u8fb9\u754c\u68c0\u6d4b\n    if(this.x &lt; 0) {\n        this.x = 0;\n    } else if(this.x + this.width &gt; this.root.game_map.width) {\n        this.x = this.root.game_map.width - this.width;\n    }\n}<\/code><\/pre>\n<p><strong>\u7269\u7406\u516c\u5f0f\uff1a<\/strong><\/p>\n<ul>\n<li>\u901f\u5ea6\u79ef\u5206\uff1a<code>\u4f4d\u7f6e = \u4f4d\u7f6e + \u901f\u5ea6 &times; \u65f6\u95f4<\/code><\/li>\n<li>\u52a0\u901f\u5ea6\u79ef\u5206\uff1a<code>\u901f\u5ea6 = \u901f\u5ea6 + \u52a0\u901f\u5ea6 &times; \u65f6\u95f4<\/code><\/li>\n<\/ul>\n<h3>3.5 \u81ea\u52a8\u8f6c\u8eab\u7cfb\u7edf<\/h3>\n<pre><code class=\"lang-javascript language-javascript javascript\">update_direction() {\n    \/\/ \u6b7b\u4ea1\u72b6\u6001\u4e0d\u8f6c\u8eab\n    if(this.status === 6) return;\n\n    let players = this.root.players;\n    if(players[0] &amp;&amp; players[1]) {\n        let me = this, you = players[1 - this.id];\n        \/\/ \u59cb\u7ec8\u9762\u5411\u5bf9\u624b\n        if(me.x &lt; you.x) me.direction = 1;   \/\/ \u5bf9\u624b\u5728\u53f3\u8fb9\uff0c\u671d\u53f3\n        else me.direction = -1;               \/\/ \u5bf9\u624b\u5728\u5de6\u8fb9\uff0c\u671d\u5de6\n    }\n}<\/code><\/pre>\n<p><strong>\u683c\u6597\u6e38\u620f\u7684\u7ecf\u5178\u8bbe\u8ba1<\/strong>\uff1a\u89d2\u8272\u59cb\u7ec8\u9762\u5411\u5bf9\u624b\uff0c\u65e0\u8bba\u4f4d\u7f6e\u5982\u4f55\u53d8\u5316\u3002<\/p>\n<hr \/>\n<h2>\u7b2c\u56db\u7ae0\uff1a\u653b\u51fb\u4e0e\u78b0\u649e\u7cfb\u7edf<\/h2>\n<h3>4.1 \u77e9\u5f62\u78b0\u649e\u68c0\u6d4b<\/h3>\n<p>\u4f7f\u7528AABB\uff08\u8f74\u5bf9\u9f50\u5305\u56f4\u76d2\uff09\u7b97\u6cd5\uff1a<\/p>\n<pre><code class=\"lang-javascript language-javascript javascript\">is_collision(r1, r2) {\n    \/\/ \u6c34\u5e73\u65b9\u5411\u4e0d\u91cd\u53e0\n    if(Math.max(r1.x1, r2.x1) &gt; Math.min(r1.x2, r2.x2))\n        return false;\n    \/\/ \u5782\u76f4\u65b9\u5411\u4e0d\u91cd\u53e0\n    if(Math.max(r1.y1, r2.y1) &gt; Math.min(r1.y2, r2.y2))\n        return false;\n    \/\/ \u4e24\u4e2a\u65b9\u5411\u90fd\u91cd\u53e0\uff0c\u53d1\u751f\u78b0\u649e\n    return true;\n}<\/code><\/pre>\n<p><strong>\u539f\u7406\uff1a<\/strong><\/p>\n<ul>\n<li>\u5982\u679c\u4e24\u4e2a\u77e9\u5f62\u7684\u5de6\u8fb9\u754c\u6700\u5927\u503c > \u53f3\u8fb9\u754c\u6700\u5c0f\u503c\uff0c\u8bf4\u660e\u6c34\u5e73\u4e0d\u91cd\u53e0<\/li>\n<li>\u5982\u679c\u4e24\u4e2a\u77e9\u5f62\u7684\u4e0a\u8fb9\u754c\u6700\u5927\u503c > \u4e0b\u8fb9\u754c\u6700\u5c0f\u503c\uff0c\u8bf4\u660e\u5782\u76f4\u4e0d\u91cd\u53e0<\/li>\n<li>\u4e24\u4e2a\u65b9\u5411\u90fd\u91cd\u53e0\uff0c\u624d\u53d1\u751f\u78b0\u649e<\/li>\n<\/ul>\n<h3>4.2 \u653b\u51fb\u5224\u5b9a\u7cfb\u7edf<\/h3>\n<pre><code class=\"lang-javascript language-javascript javascript\">update_attack() {\n    \/\/ \u653b\u51fb\u5224\u5b9a\u7a97\u53e3\uff1a\u7b2c17-19\u5e27\n    if(this.status === 4 &amp;&amp; \n       (this.frame_current_cnt === 17 || \n        this.frame_current_cnt === 18 || \n        this.frame_current_cnt === 19)) {\n\n        \/\/ \u9632\u6b62\u4e00\u6b21\u653b\u51fb\u9020\u6210\u591a\u6b21\u4f24\u5bb3\n        if(this.is_attack_hit) return;\n\n        let me = this, you = this.root.players[1 - this.id];\n        let r1;\n\n        \/\/ \u6839\u636e\u671d\u5411\u8bbe\u7f6e\u653b\u51fb\u8303\u56f4\n        if(this.direction &gt; 0) {\n            r1 = {\n                x1: me.x + 120,\n                y1: me.y + 40,\n                x2: me.x + 120 + 100,\n                y2: me.y + 40 + 20,\n            };\n        } else {\n            r1 = {\n                x1: me.x + me.width - 120 - 100,\n                y1: me.y + 40,\n                x2: me.x + me.width - 120,\n                y2: me.y + 40 + 20,\n            };\n        }\n\n        \/\/ \u5bf9\u624b\u7684\u78b0\u649e\u76d2\n        let r2 = {\n            x1: you.x,\n            y1: you.y,\n            x2: you.x + you.width,\n            y2: you.y + you.height,\n        };\n\n        \/\/ \u78b0\u649e\u68c0\u6d4b\n        if(this.is_collision(r1, r2)) {\n            you.is_attack();\n            this.is_attack_hit = true;  \/\/ \u6807\u8bb0\u5df2\u547d\u4e2d\n        }\n    }\n}<\/code><\/pre>\n<p><strong>\u5ef6\u8fdf\u5200\u673a\u5236\uff1a<\/strong><\/p>\n<ul>\n<li>\u653b\u51fb\u5224\u5b9a\u4e0d\u662f\u5728\u6309\u4e0b\u653b\u51fb\u952e\u7684\u77ac\u95f4\uff0c\u800c\u662f\u5728\u52a8\u753b\u7684\u7279\u5b9a\u5e27<\/li>\n<li>\u5224\u5b9a\u7a97\u53e3\u6301\u7eed3\u5e27\uff0c\u63d0\u9ad8\u5bb9\u9519\u7387<\/li>\n<li>\u4f7f\u7528 <code>is_attack_hit<\/code> \u6807\u8bb0\u9632\u6b62\u91cd\u590d\u547d\u4e2d<\/li>\n<\/ul>\n<h3>4.3 \u53d7\u51fb\u5904\u7406<\/h3>\n<pre><code class=\"lang-javascript language-javascript javascript\">is_attack() {\n    this.status = 5;  \/\/ \u5207\u6362\u5230\u53d7\u51fb\u72b6\u6001\n    this.frame_current_cnt = 0;\n    this.hp = Math.max(this.hp - 10, 0);  \/\/ \u6263\u8840\n\n    \/\/ \u8840\u6761\u52a8\u753b\uff08\u53cc\u5c42\u6548\u679c\uff09\n    this.$hp_div.animate({\n        width: this.$hp.parent().width() * this.hp \/ 100\n    }, 300);  \/\/ \u5185\u5c42\u5feb\u901f\u51cf\u5c11\n\n    this.$hp.animate({\n        width: this.$hp.parent().width() * this.hp \/ 100\n    }, 600);  \/\/ \u5916\u5c42\u6162\u901f\u51cf\u5c11\n\n    \/\/ \u6b7b\u4ea1\u5224\u5b9a\n    if(this.hp &lt;= 0) {\n        this.status = 6;\n        this.frame_current_cnt = 0;\n        this.vx = 0;\n    }\n}<\/code><\/pre>\n<p><strong>\u8840\u6761\u8bbe\u8ba1\uff1a<\/strong><\/p>\n<ul>\n<li>\u53cc\u5c42\u8840\u6761\uff1a\u5185\u5c42\u7acb\u5373\u51cf\u5c11\uff0c\u5916\u5c42\u5ef6\u8fdf\u51cf\u5c11<\/li>\n<li>\u8ba9\u73a9\u5bb6\u6e05\u695a\u770b\u5230\u6263\u4e86\u591a\u5c11\u8840<\/li>\n<li>\u4f7f\u7528jQuery\u7684 <code>animate<\/code> \u5b9e\u73b0\u5e73\u6ed1\u8fc7\u6e21<\/li>\n<\/ul>\n<hr \/>\n<h2>\u7b2c\u4e94\u7ae0\uff1a\u52a8\u753b\u7cfb\u7edf<\/h2>\n<h3>5.1 GIF\u52a8\u753b\u52a0\u8f7d<\/h3>\n<pre><code class=\"lang-javascript language-javascript javascript\">\/\/ kyo.js\ninit_animations() {\n    let outer = this;\n    let offsets = [0, -22, -22, -120, 0, 0, 0];  \/\/ \u6bcf\u4e2a\u72b6\u6001\u7684Y\u8f74\u504f\u79fb\n\n    for(let i = 0; i &lt; 7; i++) {\n        let gif = GIF();\n        gif.load(`\/static\/images\/player\/kyo\/${i}.gif`);\n\n        this.animations.set(i, {\n            gif: gif,\n            frame_cnt: 0,        \/\/ \u603b\u5e27\u6570\n            frame_rate: 5,       \/\/ \u6bcf5\u5e27\u5207\u6362\u4e00\u6b21\n            offset_y: offsets[i],\n            loaded: false,\n            scale: 2,            \/\/ \u653e\u59272\u500d\n        });\n\n        gif.onload = function() {\n            let obj = outer.animations.get(i);\n            obj.frame_cnt = gif.frames.length;\n            obj.loaded = true;\n\n            \/\/ \u653b\u51fb\u52a8\u753b\u5e27\u7387\u66f4\u5feb\n            if(i === 3) {\n                obj.frame_rate = 4;\n            }\n        }\n    }\n}<\/code><\/pre>\n<h3>5.2 \u6e32\u67d3\u7cfb\u7edf<\/h3>\n<pre><code class=\"lang-javascript language-javascript javascript\">render() {\n    let status = this.status;\n    let obj = this.animations.get(status);\n\n    if(obj &amp;&amp; obj.loaded) {\n        \/\/ \u8ba1\u7b97\u5f53\u524d\u5e94\u8be5\u663e\u793a\u7b2c\u51e0\u5e27\n        let k = parseInt(this.frame_current_cnt \/ obj.frame_rate) % obj.frame_cnt;\n        let image = obj.gif.frames[k].image;\n\n        if(this.direction &gt; 0) {\n            \/\/ \u671d\u53f3\uff0c\u6b63\u5e38\u7ed8\u5236\n            this.ctx.drawImage(\n                image, \n                this.x, \n                this.y + obj.offset_y, \n                image.width * obj.scale, \n                image.height * obj.scale\n            );\n        } else {\n            \/\/ \u671d\u5de6\uff0c\u6c34\u5e73\u7ffb\u8f6c\n            this.ctx.save();\n            this.ctx.scale(-1, 1);  \/\/ X\u8f74\u7ffb\u8f6c\n\n            this.ctx.drawImage(\n                image, \n                -(this.x + this.width),  \/\/ \u7ffb\u8f6c\u540e\u7684\u5750\u6807\n                this.y + obj.offset_y, \n                image.width * obj.scale, \n                image.height * obj.scale\n            );\n\n            this.ctx.restore();\n        }\n\n        \/\/ \u52a8\u753b\u7ed3\u675f\u5904\u7406\n        if((this.status === 4 || this.status === 5 || this.status === 6) &amp;&amp; \n           k === obj.frame_cnt - 1) {\n\n            if(this.status === 6) {\n                \/\/ \u6b7b\u4ea1\u52a8\u753b\u505c\u5728\u6700\u540e\u4e00\u5e27\n                this.frame_current_cnt--;\n            } else {\n                \/\/ \u5176\u4ed6\u52a8\u753b\u7ed3\u675f\u540e\u56de\u5230\u7ad9\u7acb\n                this.status = 0;\n            }\n        }\n    }\n\n    this.frame_current_cnt++;  \/\/ \u5e27\u8ba1\u6570\u5668\u9012\u589e\n}<\/code><\/pre>\n<p><strong>\u5173\u952e\u6280\u672f\uff1a<\/strong><\/p>\n<ol>\n<li><strong>\u5e27\u7387\u63a7\u5236<\/strong>\uff1a<code>frame_current_cnt \/ frame_rate<\/code> \u63a7\u5236\u52a8\u753b\u901f\u5ea6<\/li>\n<li><strong>\u6c34\u5e73\u7ffb\u8f6c<\/strong>\uff1a\u4f7f\u7528 <code>scale(-1, 1)<\/code> \u7ffb\u8f6c\u753b\u5e03\uff0c\u6ce8\u610f\u5750\u6807\u7cfb\u53d8\u5316<\/li>\n<li><strong>\u52a8\u753b\u5faa\u73af<\/strong>\uff1a\u4f7f\u7528\u53d6\u6a21\u8fd0\u7b97 <code>% frame_cnt<\/code> \u5b9e\u73b0\u5faa\u73af\u64ad\u653e<\/li>\n<li><strong>\u5b9a\u5e27<\/strong>\uff1a\u6b7b\u4ea1\u52a8\u753b\u901a\u8fc7 <code>frame_current_cnt--<\/code> \u505c\u5728\u6700\u540e\u4e00\u5e27<\/li>\n<\/ol>\n<hr \/>\n<h2>\u7b2c\u516d\u7ae0\uff1aUI\u7cfb\u7edf<\/h2>\n<h3>6.1 HTML\u7ed3\u6784<\/h3>\n<pre><code class=\"lang-html language-html html\">&lt;div id=&quot;kof&quot;&gt;\n    &lt;div class=&quot;kof-header&quot;&gt;\n        &lt;!-- \u73a9\u5bb61\u8840\u6761 --&gt;\n        &lt;div class=&quot;kof-header-hp0&quot;&gt;\n\n&lt;div&gt;&lt;\/div&gt;  &lt;!-- \u5916\u5c42\uff1a\u5ef6\u8fdf\u51cf\u5c11 --&gt;\n        &lt;\/div&gt;\n\n        &lt;!-- \u8ba1\u65f6\u5668 --&gt;\n        &lt;div class=&quot;kof-header-timer&quot;&gt;60&lt;\/div&gt;\n\n        &lt;!-- \u73a9\u5bb62\u8840\u6761 --&gt;\n        &lt;div class=&quot;kof-header-hp1&quot;&gt;\n\n&lt;div&gt;&lt;\/div&gt;\n        &lt;\/div&gt;\n    &lt;\/div&gt;\n&lt;\/div&gt;<\/code><\/pre>\n<h3>6.2 CSS\u6837\u5f0f<\/h3>\n<pre><code class=\"lang-css language-css css\">#kof {\n    width: 1280px;\n    height: 720px;\n    background-image: url('..\/images\/background\/0.gif');\n    background-size: 200% 100%;\n    background-position: center;\n}\n\n\/* \u8840\u6761\u5bb9\u5668\uff08\u7ea2\u8272\u80cc\u666f\uff09 *\/\n.kof-header-hp0, .kof-header-hp1 {\n    height: 40px;\n    background-color: red;\n    width: calc(50% - 60px);\n    border: white solid 5px;\n    box-sizing: border-box;\n}\n\n\/* \u5916\u5c42\u8840\u6761\uff08\u6a59\u8272\uff0c\u6162\u901f\u51cf\u5c11\uff09 *\/\n.kof-header-hp0 &gt; div, .kof-header-hp1 &gt; div {\n    background-color: orange;\n    height: 100%;\n    width: 100%;\n}\n\n\/* \u5185\u5c42\u8840\u6761\uff08\u7eff\u8272\uff0c\u5feb\u901f\u51cf\u5c11\uff09 *\/\n.kof-header-hp0 &gt; div &gt; div, .kof-header-hp1 &gt; div &gt; div {\n    background-color: lightgreen;\n    height: 100%;\n    width: 100%;\n}\n\n\/* \u8ba1\u65f6\u5668 *\/\n.kof-header-timer {\n    height: 60px;\n    width: 80px;\n    background-color: orange;\n    border: white solid 5px;\n    color: white;\n    font-size: 30px;\n    font-weight: 800;\n    text-align: center;\n    line-height: 50px;\n}<\/code><\/pre>\n<p><strong>\u4e09\u5c42\u8840\u6761\u8bbe\u8ba1\uff1a<\/strong><\/p>\n<ol>\n<li>\u6700\u5916\u5c42\uff08\u7ea2\u8272\uff09\uff1a\u8840\u91cf\u4e0a\u9650<\/li>\n<li>\u4e2d\u95f4\u5c42\uff08\u6a59\u8272\uff09\uff1a\u5ef6\u8fdf\u663e\u793a\uff0c600ms\u8fc7\u6e21<\/li>\n<li>\u6700\u5185\u5c42\uff08\u7eff\u8272\uff09\uff1a\u5b9e\u65f6\u8840\u91cf\uff0c300ms\u8fc7\u6e21<\/li>\n<\/ol>\n<hr \/>\n<h2>\u7b2c\u4e03\u7ae0\uff1a\u6e38\u620f\u4e3b\u7c7b<\/h2>\n<h3>7.1 KOF\u7c7b<\/h3>\n<pre><code class=\"lang-javascript language-javascript javascript\">import { GameMap } from '.\/map\/base.js';\nimport { Kyo } from '.\/player\/kyo.js';\n\nclass KOF {\n    constructor(id) {\n        this.$kof = $('#' + id);\n\n        \/\/ \u521b\u5efa\u5730\u56fe\n        this.game_map = new GameMap(this);\n\n        \/\/ \u521b\u5efa\u4e24\u4e2a\u73a9\u5bb6\n        this.players = [\n            new Kyo(this, {\n                id: 0,\n                x: 200,\n                y: 0,\n                width: 120,\n                height: 200,\n                color: 'blue',\n            }),\n            new Kyo(this, {\n                id: 1,\n                x: 900,\n                y: 0,\n                width: 120,\n                height: 200,\n                color: 'red',\n            }),\n        ];\n    }\n}\n\nexport { KOF }<\/code><\/pre>\n<h3>7.2 \u521d\u59cb\u5316\u6e38\u620f<\/h3>\n<pre><code class=\"lang-html language-html html\">&lt;script type=&quot;module&quot;&gt;\n    import {KOF} from '..\/static\/js\/base.js';\n    let kof = new KOF('kof');\n&lt;\/script&gt;<\/code><\/pre>\n<hr \/>\n<h2>\u7b2c\u516b\u7ae0\uff1a\u5e38\u89c1\u95ee\u9898\u4e0e\u8c03\u8bd5\u6280\u5de7<\/h2>\n<h3>8.1 \u89d2\u8272\u4e0d\u8f6c\u8eab<\/h3>\n<p><strong>\u95ee\u9898<\/strong>\uff1a\u5b9a\u4e49\u4e86 <code>update_direction()<\/code> \u4f46\u89d2\u8272\u671d\u5411\u4e0d\u53d8\n<strong>\u539f\u56e0<\/strong>\uff1a\u5fd8\u8bb0\u5728 <code>update()<\/code> \u4e2d\u8c03\u7528\n<strong>\u89e3\u51b3<\/strong>\uff1a<\/p>\n<pre><code class=\"lang-javascript language-javascript javascript\">update() {\n    this.update_control();\n    this.update_move();\n    this.update_direction();  \/\/ \u8bb0\u5f97\u8c03\u7528\n    this.update_attack();\n    this.render();\n}<\/code><\/pre>\n<h3>8.2 \u653b\u51fb\u540e\u5361\u4f4f<\/h3>\n<p><strong>\u95ee\u9898<\/strong>\uff1a\u53d8\u91cf\u4f5c\u7528\u57df\u9519\u8bef\n<strong>\u539f\u56e0<\/strong>\uff1a<code>k<\/code> \u5728 if\/else \u5757\u5185\u5b9a\u4e49\uff0c\u5916\u90e8\u65e0\u6cd5\u8bbf\u95ee\n<strong>\u89e3\u51b3<\/strong>\uff1a\u628a\u53d8\u91cf\u5b9a\u4e49\u63d0\u5230\u5916\u5c42<\/p>\n<pre><code class=\"lang-javascript language-javascript javascript\">\/\/ \u9519\u8bef\nif(this.direction &gt; 0) {\n    let k = ...;\n}\nif(k === last_frame) { ... }  \/\/ k\u672a\u5b9a\u4e49\n\n\/\/ \u6b63\u786e\nlet k = ...;\nif(this.direction &gt; 0) { ... }\nif(k === last_frame) { ... }<\/code><\/pre>\n<h3>8.3 \u4e00\u62f3\u6253\u6b7b<\/h3>\n<p><strong>\u95ee\u9898<\/strong>\uff1a\u4e00\u6b21\u653b\u51fb\u9020\u6210\u591a\u6b21\u4f24\u5bb3\n<strong>\u539f\u56e0<\/strong>\uff1a\u5224\u5b9a\u7a97\u53e33\u5e27\u90fd\u89e6\u53d1\u4e86\u653b\u51fb\n<strong>\u89e3\u51b3<\/strong>\uff1a\u6dfb\u52a0\u547d\u4e2d\u6807\u8bb0<\/p>\n<pre><code class=\"lang-javascript language-javascript javascript\">if(this.is_attack_hit) return;  \/\/ \u5df2\u547d\u4e2d\u5219\u4e0d\u518d\u5224\u5b9a\n\/\/ ... \u78b0\u649e\u68c0\u6d4b ...\nthis.is_attack_hit = true;<\/code><\/pre>\n<h3>8.4 \u8840\u6761\u4e0d\u52a8<\/h3>\n<p><strong>\u95ee\u9898<\/strong>\uff1ajQuery\u9009\u62e9\u5668\u9519\u8bef\n<strong>\u539f\u56e0<\/strong>\uff1aclass\u540d\u79f0\u62fc\u5199\u9519\u8bef\n<strong>\u89e3\u51b3<\/strong>\uff1a\u786e\u4fdd\u9009\u62e9\u5668\u4e0eHTML\u4e00\u81f4<\/p>\n<pre><code class=\"lang-javascript language-javascript javascript\">\/\/ \u9519\u8bef\uff1a.kof-head-hp\n\/\/ \u6b63\u786e\uff1a.kof-header-hp\nthis.$hp = this.root.$kof.find(`.kof-header-hp${this.id}&gt;div`);<\/code><\/pre>\n<h3>8.5 \u7ffb\u8f6c\u65f6\u4f4d\u7f6e\u9519\u8bef<\/h3>\n<p><strong>\u95ee\u9898<\/strong>\uff1a<code>scale(-1,1)<\/code> \u540e\u56fe\u7247\u4f4d\u7f6e\u4e0d\u5bf9\n<strong>\u539f\u56e0<\/strong>\uff1a\u5750\u6807\u7cfb\u7ffb\u8f6c\u540e\u9700\u8981\u91cd\u65b0\u8ba1\u7b97\u5750\u6807\n<strong>\u89e3\u51b3<\/strong>\uff1a<\/p>\n<pre><code class=\"lang-javascript language-javascript javascript\">\/\/ \u7ffb\u8f6c\u540e\u7684x\u5750\u6807 = -(\u539fx\u5750\u6807 + \u89d2\u8272\u5bbd\u5ea6)\nthis.ctx.drawImage(image, -(this.x + this.width), this.y, ...);<\/code><\/pre>\n<hr \/>\n<h2>\u7b2c\u4e5d\u7ae0\uff1a\u6269\u5c55\u4e0e\u4f18\u5316<\/h2>\n<h3>9.1 \u6dfb\u52a0\u65b0\u89d2\u8272<\/h3>\n<ol>\n<li>\u51c6\u59077\u4e2aGIF\u52a8\u753b\u6587\u4ef6\uff08\u5bf9\u5e947\u79cd\u72b6\u6001\uff09<\/li>\n<li>\u521b\u5efa\u65b0\u89d2\u8272\u7c7b\u7ee7\u627f <code>Player<\/code><\/li>\n<li>\u5728 <code>init_animations()<\/code> \u4e2d\u52a0\u8f7d\u52a8\u753b<\/li>\n<li>\u8c03\u6574 <code>offset_y<\/code> \u548c\u653b\u51fb\u5224\u5b9a\u6846<\/li>\n<\/ol>\n<pre><code class=\"lang-javascript language-javascript javascript\">export class NewCharacter extends Player {\n    constructor(root, info) {\n        super(root, info);\n        this.init_animations();\n    }\n\n    init_animations() {\n        \/\/ \u52a0\u8f7d\u4f60\u7684\u89d2\u8272\u52a8\u753b\n        let offsets = [0, -20, -20, -100, 0, 0, 0];\n        \/\/ ... \u4e0e Kyo \u7c7b\u4f3c\u7684\u52a0\u8f7d\u903b\u8f91\n    }\n}<\/code><\/pre>\n<h3>9.2 \u6dfb\u52a0\u6280\u80fd\u7cfb\u7edf<\/h3>\n<pre><code class=\"lang-javascript language-javascript javascript\">\/\/ \u5728 Player \u7c7b\u4e2d\u6dfb\u52a0\nthis.skills = {\n    fireball: { cd: 0, cd_max: 3000 },  \/\/ \u6280\u80fd\u51b7\u5374\n};\n\n\/\/ \u91ca\u653e\u6280\u80fd\nif(press_j &amp;&amp; this.skills.fireball.cd === 0) {\n    this.create_fireball();\n    this.skills.fireball.cd = this.skills.fireball.cd_max;\n}\n\n\/\/ \u66f4\u65b0\u51b7\u5374\nthis.skills.fireball.cd = Math.max(0, this.skills.fireball.cd - this.timedata);<\/code><\/pre>\n<h3>9.3 \u97f3\u6548\u7cfb\u7edf<\/h3>\n<pre><code class=\"lang-javascript language-javascript javascript\">\/\/ \u6dfb\u52a0\u97f3\u6548\nlet audio = new Audio('\/static\/audio\/punch.mp3');\naudio.play();\n\n\/\/ \u80cc\u666f\u97f3\u4e50\nlet bgm = new Audio('\/static\/audio\/bgm.mp3');\nbgm.loop = true;\nbgm.play();<\/code><\/pre>\n<h3>9.4 \u6027\u80fd\u4f18\u5316<\/h3>\n<pre><code class=\"lang-javascript language-javascript javascript\">\/\/ 1. \u53ea\u6e32\u67d3\u53ef\u89c1\u5bf9\u8c61\nif(this.x + this.width &lt; 0 || this.x &gt; canvas.width) return;\n\n\/\/ 2. \u5bf9\u8c61\u6c60\u590d\u7528\nclass ObjectPool {\n    constructor(create_func, size) {\n        this.pool = [];\n        for(let i = 0; i &lt; size; i++) {\n            this.pool.push(create_func());\n        }\n    }\n\n    get() {\n        return this.pool.pop() || null;\n    }\n\n    release(obj) {\n        this.pool.push(obj);\n    }\n}\n\n\/\/ 3. \u51cf\u5c11DOM\u64cd\u4f5c\n\/\/ \u6279\u91cf\u66f4\u65b0UI\uff0c\u4e0d\u8981\u6bcf\u5e27\u90fd\u64cd\u4f5cDOM<\/code><\/pre>\n<hr \/>\n<h2>\u7b2c\u5341\u7ae0\uff1a\u5b8c\u6574\u66f4\u65b0\u6d41\u7a0b<\/h2>\n<pre><code>\u6bcf\u4e00\u5e27\u6267\u884c\u987a\u5e8f\uff1a\n\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n\u2502  requestAnimationFrame          \u2502\n\u2502  &darr;                               \u2502\n\u2502  \u904d\u5386\u6240\u6709GameObject              \u2502\n\u2502  \u251c\u2500 GameMap                     \u2502\n\u2502  \u2502   \u251c\u2500 \u66f4\u65b0\u8ba1\u65f6\u5668               \u2502\n\u2502  \u2502   \u251c\u2500 \u6e05\u7a7a\u753b\u5e03                 \u2502\n\u2502  \u2502   \u2514\u2500 \u68c0\u6d4b\u6e38\u620f\u7ed3\u675f             \u2502\n\u2502  \u2502                               \u2502\n\u2502  \u251c\u2500 Player 1                    \u2502\n\u2502  \u2502   \u251c\u2500 update_control()  [\u8f93\u5165] \u2502\n\u2502  \u2502   \u251c\u2500 update_move()     [\u7269\u7406] \u2502\n\u2502  \u2502   \u251c\u2500 update_direction()[\u8f6c\u8eab] \u2502\n\u2502  \u2502   \u251c\u2500 update_attack()   [\u653b\u51fb] \u2502\n\u2502  \u2502   \u2514\u2500 render()          [\u6e32\u67d3] \u2502\n\u2502  \u2502                               \u2502\n\u2502  \u2514\u2500 Player 2                    \u2502\n\u2502      \u2514\u2500 (\u540c\u4e0a)                   \u2502\n\u2502                                  \u2502\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518<\/code><\/pre>\n<hr \/>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u901a\u8fc7\u8fd9\u4e2a\u9879\u76ee\uff0c\u6211\u5b66\u5230\u4e86\uff1a<\/p>\n<h3>\u6838\u5fc3\u6280\u672f<\/h3>\n<ol>\n<li><strong>\u6e38\u620f\u5faa\u73af<\/strong>\uff1a\u4f7f\u7528 <code>requestAnimationFrame<\/code> \u5b9e\u73b060fps\u6e38\u620f\u5faa\u73af<\/li>\n<li><strong>\u9762\u5411\u5bf9\u8c61<\/strong>\uff1aGameObject \u57fa\u7c7b\u7edf\u4e00\u7ba1\u7406\u751f\u547d\u5468\u671f<\/li>\n<li><strong>\u7269\u7406\u5f15\u64ce<\/strong>\uff1a\u91cd\u529b\u3001\u901f\u5ea6\u3001\u52a0\u901f\u5ea6\u7684\u7b80\u5355\u5b9e\u73b0<\/li>\n<li><strong>\u78b0\u649e\u68c0\u6d4b<\/strong>\uff1aAABB\u77e9\u5f62\u78b0\u649e\u7b97\u6cd5<\/li>\n<li><strong>\u52a8\u753b\u7cfb\u7edf<\/strong>\uff1aGIF\u5e27\u52a8\u753b\u64ad\u653e\u4e0e\u63a7\u5236<\/li>\n<li><strong>Canvas\u7ed8\u56fe<\/strong>\uff1a\u56fe\u7247\u7ed8\u5236\u3001\u5750\u6807\u53d8\u6362\u3001\u7ffb\u8f6c<\/li>\n<\/ol>\n<h3>\u6e38\u620f\u8bbe\u8ba1<\/h3>\n<ol>\n<li><strong>\u72b6\u6001\u673a<\/strong>\uff1a\u89d2\u8272\u72b6\u6001\u5207\u6362\u903b\u8f91<\/li>\n<li><strong>\u5ef6\u8fdf\u5224\u5b9a<\/strong>\uff1a\u653b\u51fb\u5224\u5b9a\u7a97\u53e3\u8bbe\u8ba1<\/li>\n<li><strong>\u53cc\u5c42\u8840\u6761<\/strong>\uff1a\u63d0\u5347\u7528\u6237\u4f53\u9a8c\u7684UI\u8bbe\u8ba1<\/li>\n<li><strong>\u81ea\u52a8\u8f6c\u8eab<\/strong>\uff1a\u683c\u6597\u6e38\u620f\u7ecf\u5178\u673a\u5236<\/li>\n<\/ol>\n<h3>\u5de5\u7a0b\u5b9e\u8df5<\/h3>\n<ol>\n<li><strong>\u6a21\u5757\u5316\u5f00\u53d1<\/strong>\uff1aES6 Module \u5206\u79bb\u5173\u6ce8\u70b9<\/li>\n<li><strong>\u7ee7\u627f\u4e0e\u591a\u6001<\/strong>\uff1aPlayer \u2192 Kyo \u7684\u6269\u5c55<\/li>\n<li><strong>\u8c03\u8bd5\u6280\u5de7<\/strong>\uff1a\u5e38\u89c1bug\u7684\u6392\u67e5\u4e0e\u89e3\u51b3<\/li>\n<\/ol>\n<hr \/>\n<h2>\u4e0b\u4e00\u6b65\u5b66\u4e60<\/h2>\n<ol>\n<li><strong>\u6dfb\u52a0\u66f4\u591a\u89d2\u8272<\/strong>\uff1a\u4e0d\u540c\u7684\u6280\u80fd\u548c\u653b\u51fb\u5224\u5b9a<\/li>\n<li><strong>\u8054\u673a\u5bf9\u6218<\/strong>\uff1a\u4f7f\u7528 WebSocket \u5b9e\u73b0\u7f51\u7edc\u5bf9\u6218<\/li>\n<li><strong>AI\u5bf9\u624b<\/strong>\uff1a\u5b9e\u73b0\u7b80\u5355\u7684\u7535\u8111AI<\/li>\n<li><strong>\u5b8c\u6574\u6e38\u620f\u6d41\u7a0b<\/strong>\uff1a\u5f00\u59cb\u83dc\u5355\u3001\u89d2\u8272\u9009\u62e9\u3001\u80dc\u5229\u7ed3\u7b97<\/li>\n<li><strong>\u7279\u6548\u7cfb\u7edf<\/strong>\uff1a\u653b\u51fb\u7279\u6548\u3001\u7c92\u5b50\u7cfb\u7edf<\/li>\n<li><strong>\u5173\u5361\u7cfb\u7edf<\/strong>\uff1a\u4e0d\u540c\u7684\u573a\u666f\u548c\u80cc\u666f<\/li>\n<\/ol>\n<hr \/>\n<h2>\u53c2\u8003\u8d44\u6e90<\/h2>\n<ul>\n<li><a href=\"https:\/\/developer.mozilla.org\/zh-CN\/docs\/Web\/API\/Canvas_API\/Tutorial\" target=\"_blank\"  rel=\"nofollow\" >MDN Canvas\u6559\u7a0b<\/a><\/li>\n<li><a href=\"https:\/\/developer.mozilla.org\/zh-CN\/docs\/Web\/API\/window\/requestAnimationFrame\" target=\"_blank\"  rel=\"nofollow\" >requestAnimationFrame\u8be6\u89e3<\/a><\/li>\n<li><a href=\"https:\/\/gameprogrammingpatterns.com\/\" target=\"_blank\"  rel=\"nofollow\" >\u6e38\u620f\u5f00\u53d1\u6a21\u5f0f<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>\u672c\u6559\u7a0b\u5b8c\u6574\u4ee3\u7801\uff1a<a href=\"https:\/\/github.com\/awkker\/kof\">https:\/\/github.com\/awkker\/kof<\/a> \u672c\u535a\u5ba2\u5b66\u4e60\u6765\u6e90\uff1a<a href=\"https:\/\/","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"emotion":"","emotion_color":"","title_style":"","license":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-208","post","type-post","status-publish","format-standard","hentry","category-learn"],"_links":{"self":[{"href":"https:\/\/caoxunyi.cn\/index.php\/wp-json\/wp\/v2\/posts\/208","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/caoxunyi.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/caoxunyi.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/caoxunyi.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/caoxunyi.cn\/index.php\/wp-json\/wp\/v2\/comments?post=208"}],"version-history":[{"count":1,"href":"https:\/\/caoxunyi.cn\/index.php\/wp-json\/wp\/v2\/posts\/208\/revisions"}],"predecessor-version":[{"id":209,"href":"https:\/\/caoxunyi.cn\/index.php\/wp-json\/wp\/v2\/posts\/208\/revisions\/209"}],"wp:attachment":[{"href":"https:\/\/caoxunyi.cn\/index.php\/wp-json\/wp\/v2\/media?parent=208"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/caoxunyi.cn\/index.php\/wp-json\/wp\/v2\/categories?post=208"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/caoxunyi.cn\/index.php\/wp-json\/wp\/v2\/tags?post=208"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}