{"id":480,"date":"2009-09-25T21:36:35","date_gmt":"2009-09-25T13:36:35","guid":{"rendered":"http:\/\/test999.eblhost.com\/blog\/?p=480"},"modified":"2009-11-17T11:01:39","modified_gmt":"2009-11-17T03:01:39","slug":"max%ef%bc%9a%e6%89%8b%e5%8a%bf%e6%8d%95%e6%8d%89","status":"publish","type":"post","link":"https:\/\/learn.travelchinawith.me\/?p=480","title":{"rendered":"Max\uff1a\u624b\u52bf\u6355\u6349"},"content":{"rendered":"
\"Gesture<\/a>
Gesture Capture<\/figcaption><\/figure>\n

1. \u9e1f\u77b0\u4e00\u4e0b\u624b\u75d2\u4e00\u4e0b\uff0c\u518d\u7ed3\u5408\u6807\u9898\uff0c\u5c31\u53ef\u4ee5\u77e5\u9053\u8fd9\u662f\u4e00\u4e2a\u53ef\u4ee5\u6355\u6349\u9f20\u6807\u624b\u52bf\u7684\u7a0b\u5e8f\u3002\u4e0d\u8fc7\u770b\u5230key\u548csel\u7269\u4ef6\u7684\u642d\u914d\u4fbf\u53ef\u77e5\uff0c\u6211\u4eec\u53ef\u4ee5\u7528\u952e\u76d8\u6309\u952e\u6765\u63a7\u5236\u5b83\u300232, 114\u548c112\u5206\u522b\u662f\u7a7a\u683c\u3001r\u548cp\u7684ASCII\u7801\uff0c\u7a7a\u683c\u6e05\u9664\u753b\u5e03\u5185\u5bb9\uff0cr\u5f00\u59cb\u8bb0\u5f55\u9f20\u6807\u624b\u52bf(\u518d\u6309\u4e00\u6b21\u5219\u505c\u6b62\u8bb0\u5f55)\uff0cp\u5f00\u59cb\u56de\u653e\uff08\u518d\u6309\u4e00\u6b21\u5219\u505c\u6b62\u56de\u653e\uff09\u3002<\/p>\n

2. \u8fd9\u79cd\u8bb0\u5f55\u4e0d\u4ec5\u80fd\u8bb0\u5f55\u4f60\u7ed8\u5236\u7684\u4e1c\u897f\uff0c\u8fd8\u80fd\u8bb0\u5f55\u4f60\u9f20\u6807\u5b9e\u9645\u7684\u8fd0\u52a8\u5305\u62ec\u65f6\u95f4\uff0c\u5e76\u5c06\u8fd9\u4e00\u5207\u91cd\u653e\u3002<\/p>\n

3. \u6574\u4e2a\u7a0b\u5e8f\u5171\u67093\u4e2acoll\u7269\u4ef6\uff0c\u4f46\u4ed6\u4eec\u90fd\u5171\u4eab\u540c\u6837\u7684\u6570\u636e—thegest\u3002\u53cc\u51fb\u5b83\uff0c\u53ef\u4ee5\u770b\u5230\u5b83\u6240\u8bb0\u5f55\u7684\u6570\u636e\uff08\u6bcf\u8bb0\u5f55\u4e00\u6b21\uff0c\u91cc\u8fb9\u7684\u6570\u636e\u4fbf\u66f4\u65b0\u4e00\u6b21\uff0c\u5f53\u7136\uff09\u3002\u5b83\u4ee520\u6beb\u79d2\u7684\u95f4\u9694\u6293\u53d6\u6211\u4eec\u7684\u8fd0\u52a8\u3002<\/p>\n

4. \u5f55\u5236\u90e8\u5206\uff1a\u9009\u4e2dtoggel\u5f00\u542ftrigger\u7269\u4ef6\uff08\u590d\u4e60\u4e00\u4e0b\uff1a\u5176\u4e2d\u5f15\u6570i\u4e3aint\u7684\u7f29\u5199\uff09\uff0ctrigger\u4fe9\u53e3\uff0c\u5de6\u8fb9\u8bbe\u5b9ametro\u4e3a20\u6beb\u79d2\u8fdb\u5165WTHITM\uff0c\u610f\u4e3a\u4ee520\u6beb\u79d2\u7684\u201c\u91c7\u6837\u7387\u201d\u6355\u6349\u9f20\u6807\u884c\u4e3a\u3002\u53e6\u5916\uff0cmetro\u8fd8\u8fdb\u5165\u4e86int\u7269\u4ef6\uff08\u7f29\u5199\u4e3ai\uff09\u3002WTHITM\u63d0\u53d6scale\u51fa\u7684\u4e24\u4e2a\u503c\u8fdb\u5165\u4e00\u4e2a\u540d\u4e3adraw\u7684\u5b50patch(bucket\u7269\u4ef6\u7684\u4f5c\u7528\u662f\u4ec0\u4e48\uff1f\u81ea\u5df1\u770b\u770b\u5b83\u7684help\u6863)\u540e\u5728lcd\u7269\u4ef6\u4e0a\u7ed8\u5236\u51fa\u56fe\u6848\u3002<\/p>\n

5. int\u548c+\u7269\u4ef6\uff0c\u4f5c\u7528\u7b80\u5355\u6765\u8bf4\uff0c\u5c31\u662f\u4e00\u4e2a\u6ca1\u6709\u65f6\u95f4\u4e0a\u9650\u7684\u8ba1\u65f6\u5668\uff08counter\uff09\u3002\u5b83\u53ef\u4ee5\u7ed9\u4f60\u9f20\u6807\u884c\u4e3a\u8bb0\u5f55\u7684\u65f6\u95f4\u3002\u8fd9\u4e2a\u503c\uff0c\u4ee5\u53caWTHITM\u7684\u4e24\u4e2a\u503c\u88abpack\u540e\u4e00\u8d77\u9001\u5165coll\u7269\u4ef6\uff0c\u7b2c\u4e00\u4e2a\u503c\u662f\u65f6\u95f4\u8f74\uff0c\u540e\u4e24\u4e2a\u503c\u662f\u9f20\u6807X\u3001Y\u7684\u4f4d\u7f6e\uff0c\u8fd9\u4e09\u4e2a\u503c\u4ee520\u6beb\u79d2\u7684\u95f4\u9694\u88abcoll\u7269\u4ef6\u8bb0\u5f55\uff0c\u8fd9\u91cc\uff0ccoll\u7269\u4ef6\u5176\u5b9e\u662f\u5145\u5f53\u4e86\u4e00\u4e2a\u6570\u636e\u8bb0\u5f55\u7684\u89d2\u8272\u3002<\/p>\n

6. \u4e3a\u4ec0\u4e48\u6bcf\u6b21\u70b9\u51fbrecord\uff08\u6216\u8005\u6309r\u952e\uff09\u540e\uff0clcd\u9762\u677f\u5185\u7684\u56fe\u50cf\u90fd\u4f1a\u88ab\u6e05\u9664\u6389\u5462\uff1f\u8fd9\u91cc\u6211\u8ba4\u4e3asel 1\u4e0b\u8fb9\u90a3\u4e2atrigger\u7528\u5f97\u5f88\u5999\uff0c\u6bcf\u6b21\u70b9\u51fb\uff0c\u90fd\u4f1a\u6709\u4e24\u4e2aclear\u547d\u4ee4\u901a\u8fc7t\u7269\u4ef6\u88ab\u5206\u522b\u9001\u5165lcd\uff08s lcd\uff09\u548ccoll\u7269\u4ef6\u5185\uff0c\u56e0\u6b64\u6ca1\u6b21\u70b9\u51fb\uff0c\u90fd\u4f1a\u6e05\u7a7a\uff08\u53ca\u91cd\u5199\uff09lcd\u4ee5\u53cacoll\u91cc\u8fb9\u7684\u5185\u5bb9\u3002\u53e6\u5916\u4e24\u4e2a0\u5206\u522b\u88ab\u9001\u5165\u7eff\u8272\u7684toggle\u7269\u4ef6\uff08PLAY\uff09\u53caint\u7269\u4ef6\uff0c\u5173\u95ed\u7eff\u8272toggle\uff08\u505c\u6b62\u4efb\u4f55\u56de\u653e\uff09\uff0c\u5e76\u5c06\u8ba1\u65f6\u5668\u6e05\u96f6\u3002\u5f53\u6536\u5230\u4e00\u4e2abang\u7334\uff0ctrigger\u7269\u4ef6\u4ece\u53f3\u81f3\u5de6\u8f93\u51fa\u5b83\u7684\u5f15\u6570\uff0c\u66f4\u591a\u5185\u5bb9\u8bf7\u81ea\u884c\u53c2\u9605\u5b83\u7684help\u6863\u3002<\/p>\n

7. \u56de\u653e\u90e8\u5206\uff1a\u539f\u7406\u540c\u5f55\u5236\u90e8\u5206\uff0c\u800c\u4e14\u66f4\u7b80\u5355\u3002\u6709\u4e00\u70b9\u6709\u610f\u601d\uff0c\u5c31\u662f\u4f60\u53ef\u4ee5\u6539\u53d8\u8fd9\u90e8\u5206metro\u7684\u5feb\u6162\uff0c\u4ee5\u5b9e\u73b0\u5feb\u8fdb\u6216\u6162\u653e\u7684\u6548\u679c\u3002<\/p>\n

8. \u6df1\u84dd\u6846\u7684coll\u7269\u4ef6\u662f\u544a\u8bc9\u6211\u4eec\uff0c\u6211\u4eec\u53ef\u4ee5\u4f9d\u6b64\u8ba9coll\u8bfb\u53d6\uff08read\uff09\u5916\u90e8\u7684\u6587\u6863\u6216\u8005\u5c06\u5b83\u7684\u8bb0\u5f55\u5b58\u50a8\uff08write\uff09\u5230\u5916\u90e8\u4ee5\u4f9b\u4ee5\u540e\u4f7f\u7528\u3002\u5b83\u5b58\u50a8\u7684\u6587\u6863\u4e3a\u666e\u901a\u7684txt\u6587\u4ef6\uff0c\u53ef\u4ee5\u7528\u4efb\u4f55\u76f8\u5173\u8f6f\u4ef6\u6253\u5f00\u6216\u7f16\u8f91\u3002<\/p>\n

\u672c\u91cc\u5185\u5173\u952e\u7269\u4ef6\uff1a<\/strong>
\ncoll\uff1a\u4fdd\u5b58\u5e76\u7f16\u8f91\u4e00\u4e2a\u4e0d\u540c\u6d88\u606f\u7684\u96c6\u5408\u3002<\/p>\n

\u7591\u95ee\uff1a<\/strong>
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1. \u9e1f\u77b0\u4e00\u4e0b\u624b\u75d2\u4e00\u4e0b\uff0c\u518d\u7ed3\u5408\u6807\u9898\uff0c\u5c31\u53ef\u4ee5\u77e5\u9053\u8fd9\u662f\u4e00\u4e2a\u53ef\u4ee5\u6355\u6349\u9f20\u6807\u624b\u52bf\u7684\u7a0b\u5e8f\u3002\u4e0d\u8fc7\u770b\u5230key\u548csel\u7269\u4ef6\u7684\u642d\u914d\u4fbf\u53ef\u77e5\uff0c\u6211\u4eec\u53ef\u4ee5\u7528\u952e\u76d8\u6309\u952e\u6765\u63a7\u5236\u5b83\u300232, 114\u548c112\u5206\u522b\u662f\u7a7a\u683c\u3001r\u548cp\u7684ASCII\u7801\uff0c\u7a7a\u683c\u6e05\u9664\u753b\u5e03\u5185\u5bb9\uff0cr\u5f00\u59cb\u8bb0\u5f55\u9f20\u6807\u624b\u52bf(\u518d\u6309\u4e00\u6b21\u5219\u505c\u6b62\u8bb0\u5f55)\uff0cp\u5f00\u59cb\u56de\u653e\uff08\u518d\u6309\u4e00\u6b21\u5219\u505c\u6b62\u56de\u653e\uff09\u3002 2. \u8fd9\u79cd\u8bb0\u5f55\u4e0d\u4ec5\u80fd\u8bb0\u5f55\u4f60\u7ed8\u5236\u7684\u4e1c\u897f\uff0c\u8fd8\u80fd\u8bb0\u5f55\u4f60\u9f20\u6807\u5b9e\u9645\u7684\u8fd0\u52a8\u5305\u62ec\u65f6\u95f4\uff0c\u5e76\u5c06\u8fd9\u4e00\u5207\u91cd\u653e\u3002 3. 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