{"id":624,"date":"2013-02-11T16:59:16","date_gmt":"2013-02-11T16:59:16","guid":{"rendered":""},"modified":"2013-03-09T10:59:57","modified_gmt":"2013-03-09T02:59:57","slug":"624","status":"publish","type":"post","link":"https:\/\/4rmb.net\/?p=624","title":{"rendered":"\u4e86\u89e3Unity\u4e2d\u7684\u591a\u7ebf\u7a0b\u53ca\u4f7f\u7528\u591a\u7ebf\u7a0b"},"content":{"rendered":"<p>\u5982\u679c\u4f60\u60f3\u5728\u6e38\u620f\u4e2d\u4f7f\u7528\u591a\u7ebf\u7a0b,\u4f60\u5e94\u8be5\u770b\u770b\u8fd9\u7bc7\u6587\u7ae0,\u7ebf\u7a0b\u662f\u4e00\u4e2a\u76f8\u5f53\u590d\u6742\u7684\u8bdd\u9898,\u4f46\u5982\u679c\u4f60\u638c\u63e1\u4e86\u5b83,\u4f60\u5c31\u53ef\u4ee5\u4ece\u5bb9\u7684\u4f7f\u7528\u591a\u4e2a\u786c\u4ef6\u5904\u7406\u5668\u6216\u5904\u7406\u5f88\u96be\u5212\u5206\u7ba1\u7406\u6570\u636e\u5757.<\/p>\n<p>\u5982\u5728\u573a\u666f\u4e2d\u7528A*\u7b97\u6cd5\u8fdb\u884c\u5927\u91cf\u7684\u6570\u636e\u8ba1\u7b97.<br \/>\n\u53d8\u5f62\u7f51\u683c\u4e2d\u64cd\u4f5c\u5927\u91cf\u7684\u9876\u70b9.<br \/>\n\u6301\u7eed\u7684\u8981\u8fd0\u884c\u4e0a\u4f20\u6570\u636e\u5230\u670d\u52a1\u5668.<br \/>\n\u4e8c\u7ef4\u7801\u8bc6\u522b\u7b49\u56fe\u50cf\u5904\u7406.<br \/>\n<!--more--><br 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decoding=\"async\" alt=\"\" src=\"wp-content\/uploads\/attachments\/month_1302\/20130211165603f.png\" \/><\/p>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d,\u5728\u7b2c\u4e00\u4e2a\u7ebf\u7a0b\u5c06A\u7684\u503c\u52a0\u8f7d\u5230CPU\u5bc4\u5b58\u5668\u4e2d\u51c6\u5907+1\u540e\u88ab\u4e2d\u65ad,\u7b2c\u4e8c\u4e2a\u7ebf\u7a0b\u6765\u8bfb\u53d6A\u7684\u503c,\u5e76\u51cf\u53bb1000,\u8fd9\u65f6A\u5e94\u8be5\u662f-950.\u73b0\u5728\u7b2c\u4e00\u4e2a\u7ebf\u7a0b\u91cd\u65b0\u5f00\u59cb,\u5b83\u5728\u5bc4\u5b58\u5668\u4e2d\u768450+1\u7684\u7ed3\u679c\u5b58\u50a8\u4e8eA,A\u53d8\u6210\u4e8651,\u800c-950\u5df2\u7ecf\u4e22\u6389\u4e86.<\/p>\n<p>\u4ece\u6839\u672c\u4e0a\u8bf4,\u8981\u5728\u7528\u591a\u4e2a\u7ebf\u7a0b\u5728\u540c\u65f6\u5bf9\u53d8\u91cf\u6216\u5185\u5b58\u8bbf\u95ee\u65f6,\u8981\u91c7\u53d6\u5f88\u591a\u9884\u9632\u63aa\u65bd\u6765\u786e\u4fdd\u4e0d\u4f1a\u53d1\u751f\u8fd9\u6837\u7684\u4e8b.<\/p>\n<p>\u6240\u4ee5Unity\u51b3\u5b9a\u4ece\u53e6\u5916\u7ebf\u7a0b\u8bbf\u95ee\u8fd9\u4e9b\u53d8\u91cf\u6216\u8005\u5185\u5b58\u662f\u65e0\u6548\u7684,\u53ea\u662f\u4e3a\u4e86\u907f\u514d\u6240\u6709\u7cfb\u7edf\u548c\u6846\u67b6\u5bf9\u8c61\u51fa\u73b0\u95ee\u9898.<\/p>\n<p>\u6240\u4ee5\u8981\u786e\u4fdd\u4e00\u6b21\u53ea\u6709\u4e00\u4e2a\u7ebf\u7a0b\u6765\u4fee\u6539\u53d8\u91cf,\u8fd9\u4e0d\u610f\u5473\u7740\u4f60\u4e0d\u80fd\u7528\u591a\u7ebf\u7a0b\u5de5\u4f5c,\u4f60\u53ef\u4ee5\u7528&#8221;\u6392\u5e8f&#8221;\u6765\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898.<\/p>\n<p>C#\u4e2d\u6709lock\u8fd9\u4e2a\u5173\u952e\u5b57,\u4ee5\u786e\u4fdd\u53ea\u6709\u4e00\u4e2a\u7ebf\u7a0b\u53ef\u4ee5\u5728\u7279\u5b9a\u65f6\u95f4\u5185\u8bbf\u95ee\u7279\u5b9a\u7684\u5bf9\u8c61.\u8fd9\u91cc\u8bf4\u5bf9\u8c61\u662f\u56e0\u4e3a\u65e0\u6cd5\u9501\u5b9a\u4e00\u4e2a\u7c7b\u578b\u503c(value type)\u6216\u539f\u578b(primitive).<\/p>\n<p><code>int a = 50;<\/p>\n<p>object guard = new object();<\/p>\n<p>void ThreadOneCode()<br \/>\n{<br \/>\n\/\/\u4e00\u4e9b\u4ee3\u7801\u5728\u8fd9<\/p>\n<p>lock(guard)<br \/>\n{<br \/>\na = a + 1;<br \/>\n}<\/p>\n<p>\/\/\u5176\u4f59\u4e00\u4e9b\u4ee3\u7801\u5728\u8fd9<\/p>\n<p>}<\/p>\n<p>void ThreadTwoCode()<br \/>\n{<br \/>\n\/\/\u4e00\u4e9b\u4ee3\u7801\u5728\u8fd9<\/p>\n<p>lock(guard)<br \/>\n{<br \/>\na = a - 1000;<br \/>\n}<\/p>\n<p>\/\/\u5176\u4f59\u4e00\u4e9b\u4ee3\u7801\u5728\u8fd9<br \/>\n}<br \/>\n<\/code><br \/>\n\u6240\u6709\u90fd\u9501\u5b9a\u5728guard\u5185,\u4fdd\u8bc1\u540c\u4e00\u4e2a\u65f6\u95f4\u53ea\u6709\u4e00\u4e2a\u7ebf\u7a0b\u901a\u8fc7guard\u8bbf\u95ee\u5b83.\u4f60\u53ef\u4ee5\u4f7f\u7528\u4efb\u4f55\u5408\u9002\u7684\u5bf9\u8c61.<\/p>\n<p>\u73b0\u5728\u4f60\u53ef\u80fd\u4f1a\u6709\u5404\u79cd\u5404\u6837\u7684\u95ee\u9898,\u6bd4\u5982\u4f60\u8981\u9501\u5b9a\u7684\u4e0d\u6b62\u4e00\u4ef6\u4e8b,\u53ef\u80fd\u662f\u4e92\u76f8\u5d4c\u5957\u7684.\u90a3\u6211\u4eec\u8be5\u600e\u4e48\u529e\u5462?<\/p>\n<p>\u6211\u4eec\u8fd9\u4e2a\u7c7b\u53ebLoom,\u8ba9\u4f60\u53ef\u4ee5\u8f7b\u677e\u5728\u53e6\u4e00\u4e2a\u7ebf\u7a0b\u8fd0\u884c\u4ee3\u7801,<\/p>\n<p>\u8fd9\u91cc\u6709\u4e24\u4e2a\u8981\u6ce8\u610f\u7684\u529f\u80fd:<\/p>\n<p><strong>RunAsync(Action)-\u5728\u53e6\u4e00\u4e2a\u7ebf\u7a0b\u4e0a\u8fd0\u884c\u7684\u4e00\u7ec4\u4ee3\u7801.<br \/>\nQueueOnMainThread(Action,[\u53ef\u9009]float time)-\u8fd0\u884c\u5728\u4e3b\u7ebf\u7a0b\u7684\u8bed\u53e5(\u53ef\u9009\u5ef6\u8fdf).<\/strong><\/p>\n<p>\u7528Loom.Current\u8bbf\u95eeLoom-\u521b\u5efa\u4e00\u4e2a\u770b\u4e0d\u89c1\u7684GameObject\u7528\u6765\u5904\u7406\u6e38\u620f\u4e3b\u7ebf\u7a0b\u7684\u4e92\u52a8.<\/p>\n<p>\u4e0b\u9762\u8fd9\u4e2a\u4f8b\u5b50\u7528Loom\u6765\u66f4\u65b0\u4e00\u4e2a\u7f51\u683c\u6240\u6709\u7684\u9876\u70b9\u4e58\u7684\u7ed3\u679c.<\/p>\n<p><code>\/\/\u7f29\u653e\u4e00\u4e2a\u7f51\u683c\u5728\u7b2c\u4e8c\u4e2a\u7ebf\u7a0b<br \/>\nvoid ScaleMesh(Mesh mesh, float scale)<br \/>\n{<br \/>\n\/\/Get the vertices of a mesh<br \/>\nvar vertices = mesh.vertices;<br \/>\n\/\/\u8fd0\u884c\u4e00\u4e2aAction\u5728\u65b0\u7684\u7ebf\u7a0b<br \/>\nLoom.RunAsync(()=&gt;{<br \/>\n\/\/\u904d\u5386\u6240\u6709\u7684\u9876\u70b9<br \/>\nfor(var i = 0; i &lt; vertices.Length; i++)<br \/>\n{<br \/>\n\/\/\u7f29\u653e\u9876\u70b9<br \/>\nvertices[i] = vertices[i] * scale;<br \/>\n}<br \/>\n\/\/\u5728\u4e3b\u7ebf\u7a0b\u4e0a\u8fd0\u884c\u4e00\u4e9b\u4ee3\u7801<br \/>\n\/\/\u66f4\u65b0\u7f51\u683c<br \/>\nLoom.QueueOnMainThread(()=&gt;{<br \/>\n\/\/\u8bbe\u7f6e\u9876\u70b9<br \/>\nmesh.vertices = vertices;<br \/>\n\/\/\u91cd\u65b0\u8ba1\u7b97\u8fb9\u754c<br \/>\nmesh.RecalculateBounds();<br \/>\n});<br \/>\n<\/code><br \/>\n\u4e0a\u9762\u8fd9\u4e2a\u662f\u4e2a\u5f88\u597d\u7684\u4f8b\u5b50,\u4f7f\u7528lambda\u51fd\u6570\u5728\u7b2c\u4e8c\u4e2a\u7ebf\u7a0b\u4e0a\u505a\u4e00\u4e2a\u6ca1\u6709\u53c2\u6570,\u4e0d\u9700\u8981\u8fd4\u56de\u4efb\u4f55\u5185\u5bb9\u7684\u64cd\u4f5c. closures\u90fd\u662f\u5728\u4f60\u81ea\u5df1\u7684\u7c7b\u548c\u51fd\u6570\u7684\u53c2\u6570\u548c\u5c40\u90e8\u53d8\u91cf\u7684\u8bbf\u95ee.<\/p>\n<p>\u4f60\u53ef\u4ee5\u7528 ()=&gt;{ &#8230; } \u5b9a\u4e49\u4e00\u4e2alambda\u51fd\u6570\u6765\u5728\u65b0\u7684\u7ebf\u7a0b\u4e0a\u8fd0\u884c\u51fd\u6570\u5185\u6240\u6709\u7684\u4ee3\u7801.<\/p>\n<p>\u5728\u4e3b\u7ebf\u7a0b\u4e0a\u6211\u4eec\u9700\u8981\u5c06\u4fee\u6539\u7684\u7f51\u683c\u9876\u70b9\u66f4\u65b0,\u6240\u4ee5\u6211\u4eec\u4f7f\u7528QueueOnMainThread\u5728\u63a5\u4e0b\u6765\u7684\u65f6\u95f4\u66f4\u65b0\u5468\u671f\u8fd0\u884c\u5904\u7406(\u6b64\u5e27\u6216\u4e0b\u4e00\u5e27\u88ab\u79f0\u4e3a\u63a5\u4e0b\u6765\u7684\u66f4\u65b0\u5468\u671f). QueueOnMainThread\u4e5f\u9700\u8981\u4e00\u4e2aAction\u6765\u5c06\u66f4\u65b0\u7684\u9876\u70b9\u66f4\u65b0\u5230\u539f\u6765\u7684\u7f51\u683c.<\/p>\n<p>\u8fd9\u91cc\u662fLoom\u7684\u4ee3\u7801:<\/p>\n<p><a href=\"wp-content\/uploads\/attachments\/month_1302\/20130211165851t.unitypackage\" target=\"_blank\">\u70b9\u51fb\u4e0b\u8f7d\u6b64\u6587\u4ef6<\/a><\/p>\n<p>\u5982\u679c\u662fUnityScript,\u4f60\u53ef\u4ee5\u8fd9\u6837\u4f7f\u7528Loom:<\/p>\n<p><code>\/\/\u7f29\u653e\u4e00\u4e2a\u7f51\u683c\u5728\u7b2c\u4e8c\u4e2a\u7ebf\u7a0b<br \/>\nfunction ScaleMesh(mesh : Mesh, scale : float)<br \/>\n{<br \/>\n\/\/Get the vertices of a mesh<br \/>\nvar vertices = mesh.vertices;<br \/>\n\/\/\u8fd0\u884c\u4e00\u4e2aAction\u5728\u65b0\u7684\u7ebf\u7a0b<br \/>\nLoom.RunAsync(function() {<br \/>\n\/\/\u904d\u5386\u6240\u6709\u7684\u9876\u70b9<br \/>\nfor(var i = 0; i &lt; vertices.Length; i++)<br \/>\n{<br \/>\n\/\/\u7f29\u653e\u9876\u70b9<br \/>\nvertices[i] = vertices[i] * scale;<br \/>\n}<br \/>\n\/\/\u5728\u4e3b\u7ebf\u7a0b\u4e0a\u8fd0\u884c\u4e00\u4e9b\u4ee3\u7801<br \/>\n\/\/\u66f4\u65b0\u7f51\u683c<br \/>\nLoom.QueueOnMainThread(function() {<br \/>\n\/\/\u8bbe\u7f6e\u9876\u70b9<br \/>\nmesh.vertices = vertices;<br \/>\n\/\/\u91cd\u65b0\u8ba1\u7b97\u8fb9\u754c<br \/>\nmesh.RecalculateBounds();<br \/>\n});<br \/>\n<\/code><\/p>\n<p>\u539f\u6587:<a href=\"http:\/\/unitygems.com\/threads\/\" target=\"_blank\" rel=\"external\">http:\/\/unitygems.com\/threads\/<\/a><br \/>\n\u7531Xiaoke\u7ffb\u8bd1,\u8f6c\u8f7d\u8bf7\u6ce8\u660e\u6765\u81ea1vr.cn<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u679c\u4f60\u60f3\u5728\u6e38\u620f\u4e2d\u4f7f\u7528\u591a\u7ebf\u7a0b,\u4f60\u5e94\u8be5\u770b\u770b\u8fd9\u7bc7\u6587\u7ae0,\u7ebf\u7a0b\u662f\u4e00\u4e2a\u76f8\u5f53\u590d\u6742\u7684\u8bdd\u9898,\u4f46\u5982\u679c\u4f60\u638c\u63e1\u4e86\u5b83,\u4f60\u5c31\u53ef\u4ee5\u4ece\u5bb9\u7684\u4f7f\u7528 &hellip; <a href=\"https:\/\/4rmb.net\/?p=624\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">\u4e86\u89e3Unity\u4e2d\u7684\u591a\u7ebf\u7a0b\u53ca\u4f7f\u7528\u591a\u7ebf\u7a0b<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-624","post","type-post","status-publish","format-standard","hentry","without-featured-image"],"_links":{"self":[{"href":"https:\/\/4rmb.net\/index.php?rest_route=\/wp\/v2\/posts\/624","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/4rmb.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/4rmb.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/4rmb.net\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/4rmb.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=624"}],"version-history":[{"count":2,"href":"https:\/\/4rmb.net\/index.php?rest_route=\/wp\/v2\/posts\/624\/revisions"}],"predecessor-version":[{"id":1346,"href":"https:\/\/4rmb.net\/index.php?rest_route=\/wp\/v2\/posts\/624\/revisions\/1346"}],"wp:attachment":[{"href":"https:\/\/4rmb.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=624"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/4rmb.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=624"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/4rmb.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=624"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}