{"id":99776,"date":"2022-03-30T21:44:56","date_gmt":"2022-03-30T13:44:56","guid":{"rendered":"http:\/\/www.zhushiyao.com\/?p=99776"},"modified":"2022-03-30T21:45:44","modified_gmt":"2022-03-30T13:45:44","slug":"6a764fc302","status":"publish","type":"post","link":"http:\/\/www.zhushiyao.com\/?p=99776","title":{"rendered":"PONG – 100\u884c\u4ee3\u7801\u5199\u4e00\u4e2a\u5f39\u7403\u6e38\u620f"},"content":{"rendered":"
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\u00a0<\/span><\/p>\n

\u4eca\u5929\u8ddf\u5927\u5bb6\u8bb2\u4e00\u8bb2\uff1a\u5982\u4f55\u505a\u6e38\u620f<\/strong><\/span><\/p>\n

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\u6e38\u620f\u7684\u4e3b\u9898\u662f\u5f39\u7403\u6e38\u620f\u300aPONG<\/strong>\u300b\uff0c\u5b83\u662f\u53f2\u4e0a\u7b2c\u4e00\u6b3e\u8857\u673a\u6e38\u620f\u3002\u56e0\u6b64\u9009\u5b83\u4f5c\u4e3a\u6211\u8fd9\u4e2a\u6e38\u620f\u5f00\u53d1\u7cfb\u5217\u7684\u7b2c\u4e00\u671f\u4e3b\u9898\u3002<\/p>\n

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\u6e38\u620f\u5f15\u64ce\u7528\u7684\u662f Python \u7684\u4e00\u4e2a\u6e38\u620f\u5e93\uff1apgzero<\/strong>\u3002\u5b83\u662f\u5bf9 pygame<\/strong> \u7684\u4e00\u4e2a\u5c01\u88c5\uff0c\u8ba9\u4f60\u4e0d\u9700\u8981\u5199\u591a\u4f59\u7684\u5957\u8def\u4ee3\u7801\uff0c\u53ea\u8981\u914d\u7f6e\u6e38\u620f\u7684\u5185\u5bb9\u903b\u8f91\u5373\u53ef\u3002<\/p>\n

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\u6211\u4eec\u8fd9\u4e2a\u6e38\u620f\u7528\u5b83\u6765\u5199\uff0c\u4e00\u5171\u53ea\u9700\u8981100\u884c\u4ee3\u7801\u3002<\/p>\n

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\u9996\u5148\u9700\u8981\u5b89\u88c5 python \u73af\u5883\u3002\u8fd9\u4e00\u6b65\u6ca1\u641e\u5b9a\u7684\u540c\u5b66\uff0c\u53ef\u4ee5\u53c2\u8003\u6211\u4eec python \u5165\u95e8\u6559\u7a0b\uff1apython666.cn<\/strong><\/span>\uff0c\u4e0a\u9762\u6709\u8be6\u7ec6\u56fe\u6587\u4ecb\u7ecd\u3002<\/p>\n

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\u7136\u540e\u9700\u8981\u5b89\u88c5 pgzero \u5e93\uff0c\u53ef\u4ee5\u547d\u4ee4\u884c\u4e0b\u901a\u8fc7 pip \u547d\u4ee4\u5b89\u88c5\uff1a<\/p>\n

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    pip<\/span>\u00a0install\u00a0pgzero<\/span><\/code><\/pre>\n<\/section>\n
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    \u5b89\u88c5\u5b8c\uff0c\u8fd0\u884c\u4e00\u53e5<\/p>\n
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      pgzrun<\/span>.go<\/span>()<\/span><\/code><\/pre>\n<\/section>\n
      \n
      \u6211\u4eec\u7684\u6e38\u620f\u4e16\u754c\u4e4b\u95e8\u5c31\u5df2\u7ecf\u6253\u5f00\u4e86\u3002<\/p>\n
      \n
      \"PONG<\/p>\n
      \n
      \u73b0\u5728\u4e0a\u9762\u8fd8\u662f\u6df7\u6c8c\u521d\u5f00\uff0c\u4e00\u7247\u6f06\u9ed1\u3002<\/p>\n
      \n
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      \n
      \u8bbe\u5b9a\u4e00\u4e2a\u77e9\u5f62\u7684\u5de6\u4e0a\u89d2\u5750\u6807\u548c\u957f\u5bbd\uff0c\u5728\u6e38\u620f\u7684\u7ed8\u5236\u51fd\u6570 draw <\/strong>\u4e2d\u7528\u6307\u5b9a\u989c\u8272\u586b\u5145\uff0c\u6211\u4eec\u5c31\u5f97\u5230\u4e86\u4e00\u4e2a\u77e9\u5f62\u3002<\/p>\n
      \n
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        \n
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        pad_1<\/span> = Rect((20<\/span>, 20<\/span>), (10<\/span>, 100<\/span>))<\/span><\/code>\n<\/span><\/code>def draw():<\/span><\/code>    screen.clear()<\/span><\/code>\u00a0\u00a0\u00a0\u00a0screen.draw.filled_rect(pad_1,\u00a0'white')<\/span><\/code><\/pre>\n<\/section>\n
        \u200d<\/span><\/p>\n
        \u9002\u5f53\u8c03\u6574\u4e00\u4e0b\uff0c\u5c31\u5f97\u5230\u4e86\u4e00\u5757\u6e38\u620f\u4e2d\u7528\u6765\u6321\u7403\u7684\u677f\u3002<\/p>\n
        \n
        \"PONG<\/p>\n
        \u5728\u6e38\u620f\u7684\u66f4\u65b0\u51fd\u6570\u4e2d\u589e\u52a0\u5224\u65ad\uff0c\u5f53\u952e\u76d8\u4e0a\u7684\u201c\u4e0a\u201d\u3001\u201c\u4e0b\u201d\u6309\u952e\u88ab\u6309\u4e0b\u65f6\uff0c\u4fee\u6539\u6321\u677f\u7684y\u5750\u6807\uff0c\u5c31\u53ef\u4ee5\u5728\u6e38\u620f\u4e2d\u63a7\u5236\u6321\u677f\u7684\u79fb\u52a8\u4e86\u3002<\/p>\n
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          PAD_SPEED = 10<\/span><\/span><\/code>\n<\/span><\/code>def<\/span>\u00a0update<\/span>(dt)<\/span>:<\/span><\/span><\/code>    if<\/span> keyboard.up:<\/span><\/code>        pad_1.y -= PAD_SPEED<\/span><\/code>    elif<\/span> keyboard.down:<\/span><\/code>        pad_1.y += PAD_SPEED<\/span><\/code><\/pre>\n<\/section>\n
          \u8fd9\u6837\u5c31\u5df2\u7ecf\u5b8c\u6210 PONG \u6e38\u620f\u4e2d\u7684\u73a9\u5bb6\u64cd\u63a7\u89d2\u8272\uff1a\u4e00\u5757\u53ef\u4e0a\u4e0b\u79fb\u52a8\u7684\u6321\u677f\u3002\u800c\u73b0\u5728\u6211\u4eec\u7528\u5230\u7684\u4ee3\u7801\u4ec5\u4ec510\u884c\u3002<\/p>\n
          \u00a0<\/span><\/p>\n
          \u6709\u7684\u5c0f\u4f19\u4f34\u53ef\u80fd\u6ce8\u610f\u5230\u4e86\uff0c\u8fd9\u91cc\u6709\u4e24\u4e2a\u51fd\u6570\uff0c\u4e00\u4e2a\u53eb draw<\/strong>\uff0c\u5b83\u662f\u8d1f\u8d23\u6e38\u620f\u4e2d\u7684\u753b\u9762\u7ed8\u5236\uff0c\u53e6\u4e00\u4e2a\u53eb update<\/strong>\uff0c\u5b83\u8d1f\u8d23\u6e38\u620f\u4e2d\u7684\u903b\u8f91\u66f4\u65b0\u3002<\/span><\/p>\n
          \u00a0<\/span><\/p>\n
          \u6211\u4eec\u7ecf\u5e38\u542c\u5230\u8bf4\u6e38\u620f\u8fd0\u884c\u65f6\u901f\u5ea6\u662f\u6bcf\u79d230\u5e27\u300160\u5e27\u4e4b\u7c7b\uff0c\u6216\u8005\u53eb\u505a FPS\uff08Frames Per Second\uff09\u3002draw \u548c update \u5c31\u662f\u5728\u6e38\u620f\u7684\u201c\u4e00\u5e27\u201d\u753b\u9762\u4e2d\u6240\u8981\u505a\u7684\u4e8b\u60c5\u3002\u4f60\u7684\u8ba1\u7b97\u673a\u6216\u8005\u6e38\u620f\u4e3b\u673a\u7684\u6027\u80fd\u8d8a\u9ad8\uff0c\u6bcf\u4e00\u5e27\u6240\u82b1\u8d39\u7684\u8ba1\u7b97\u65f6\u95f4\u5c31\u8d8a\u5c11\uff0c\u6e38\u620f\u5e27\u6570\u5c31\u53ef\u4ee5\u66f4\u9ad8\uff0c\u6e38\u620f\u4f53\u9a8c\u4e5f\u5c31\u66f4\u6d41\u7545\u3002<\/span><\/p>\n
          \n
          \u521b\u5efa\u4e00\u4e2a\u53eb\u505a Ball<\/strong> \u7684\u7c7b\u578b\uff0c\u5c5e\u6027\u503c\u5305\u62ec\u4f4d\u7f6e\u548c\u901f\u5ea6\u3002\u7136\u540e\uff0c\u5728\u7ed8\u56fe\u51fd\u6570\u4e2d\u4ee5\u5c0f\u7403\u7684\u4f4d\u7f6e\u4e3a\u5706\u5fc3\u753b\u4e00\u4e2a\u5706\uff0c\u5728\u66f4\u65b0\u51fd\u6570\u4e2d\u6309\u7167\u5300\u901f\u76f4\u7ebf\u8fd0\u52a8\u4f4d\u79fb\u516c\u5f0f\uff0c\u4e5f\u5c31\u662f \u4f4d\u79fb=\u901f\u5ea6x\u65f6\u95f4<\/strong>\uff0c\u8ba1\u7b97\u51fa\u5c0f\u7403\u4e0b\u4e00\u5e27\u7684\u4f4d\u7f6e\u3002\u5982\u6b64\u5c31\u5b9e\u73b0\u4e86\u4e00\u4e2a\u4f1a\u8fd0\u52a8\u7684\u5c0f\u7403\u3002<\/p>\n
          \n
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            class<\/span> Ball<\/span>():<\/span><\/span><\/code>\u00a0\u00a0\u00a0\u00a0def<\/span>\u00a0__init__<\/span>(self<\/span>)<\/span><\/span>:<\/span><\/code>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0self<\/span>.pos\u00a0=\u00a0[300<\/span>,\u00a0200<\/span>]<\/span><\/code>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0self<\/span>.speed\u00a0=\u00a0[1<\/span>, 1<\/span>]\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/code>    def<\/span> update<\/span>(self<\/span>, dt)<\/span><\/span>:<\/span><\/code>        for<\/span> i in<\/span> range(2<\/span>):<\/span><\/code>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0self<\/span>.pos[i]\u00a0+=\u00a0self<\/span>.speed[i]\u00a0*\u00a0dt<\/span><\/code>\n<\/span><\/code>ball\u00a0=\u00a0Ball()<\/span><\/code>\n<\/span><\/code>def<\/span> draw<\/span>()<\/span><\/span>:<\/span><\/code>    screen.clear()<\/span><\/code>    screen.draw.filled_rect(pad_1, 'white'<\/span>)<\/span><\/code>    screen.draw.filled_circle(ball.pos, BALL_RADIUS, 'white'<\/span>)<\/span><\/code>\u00a0\u00a0<\/span><\/code><\/pre>\n<\/section>\n
            \u518d\u8bbe\u7f6e\u4e00\u4e0b\u8fb9\u754c\u6761\u4ef6\uff0c\u8ba9\u5c0f\u7403\u5230\u8fbe\u5c4f\u5e55\u8fb9\u7f18\u65f6\u53ef\u4ee5\u6539\u53d8\u5bf9\u5e94\u7684\u901f\u5ea6\u65b9\u5411\uff0c\u78b0\u5230\u4e0a\u4e0b\u8fb9\u7f18\u5c31\u5c06y\u901f\u5ea6\u5206\u91cf\u4e58\u4ee5-1\uff0c\u8d85\u51fa\u5de6\u53f3\u8fb9\u7f18\u5219\u4f4d\u7f6e\u91cd\u65b0\u8bbe\u7f6e\u56de\u5c4f\u5e55\u4e2d\u5fc3\u3002<\/p>\n
            \n
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