{"id":528,"date":"2020-02-23T17:00:34","date_gmt":"2020-02-23T09:00:34","guid":{"rendered":"https:\/\/www.caiqinyi.cn\/?p=528"},"modified":"2021-04-24T12:36:23","modified_gmt":"2021-04-24T04:36:23","slug":"rotation_orthogonal","status":"publish","type":"post","link":"https:\/\/www.caiqinyi.cn\/index.php\/2020\/02\/23\/rotation_orthogonal\/","title":{"rendered":"\u65cb\u8f6c\u77e9\u9635\u662f\u4e00\u4e2a\u6b63\u4ea4\u77e9\u9635\uff1f\uff1f\uff1f"},"content":{"rendered":"<p>\u7ec8\u4e8e\u505a\u5b8c\u7f51\u6613\u7b2c\u4e8c\u4e2a\u4efb\u52a1\u4e86, \u8d76DDL\u8fd9\u51e0\u5929\u786e\u5b9e\u662f\u75db\u82e6\u4e0e\u5feb\u4e50\u5e76\u5b58, \u4f46\u597d\u5728\u6700\u540e\u8fd8\u7b97\u662f\u987a\u5229\u5b8c\u6210\u4e86, \u9664\u4e86\u9634\u5f71\u90a3\u90e8\u5206\u6ca1\u6709\u5b8c\u5168\u505a\u5b8c, \u7528\u7684\u662f\u9634\u5f71\u77e9\u9635\u800c\u975e\u5e38\u89c4\u7684\u6df1\u5ea6\u8d34\u56fe\u2026\u2026 \u5176\u5b9e, \u6d88\u8017\u7cbe\u529b\u6bd4\u8f83\u591a\u7684\u53cd\u800c\u662f\u5c0f\u8f66\u5012\u8f66\u7684\u903b\u8f91\u5904\u7406\u4e0a, \u5176\u4e2d\u78b0\u5230\u7684\u4e00\u4e2a\u5751\u4fbf\u662f\u65cb\u8f6c\u77e9\u9635\u7684\u95ee\u9898~<\/p>\n<p><!--more--><\/p>\n<p>\u5728\u4f7f\u7528<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"C++\" data-enlighter-theme=\"monokai\">\r\nXMVector4Transform(g_pBackwardVec, XMMatrixRotationY(-fabs(g_pSingleRotIncrement))\r\n<\/pre>\n<p>\u8fd9\u884c\u4ee3\u7801\u6c42\u5c0f\u8f66\u7684\u5012\u8f66\u65b9\u5411\u65f6, \u53d1\u73b0\u5c0f\u8f66\u7684\u8f66\u8f6e\u95f4\u8ddd\u4f1a\u8d8a\u6765\u8d8a\u5c0f, \u53d1\u73b0\u4f7f\u7528XMMatrixRotationY(-fabs(g_pSingleRotIncrement)\u5f97\u5230\u7684\u65cb\u8f6c\u77e9\u9635\u5e76\u975e\u6b63\u4ea4\u77e9\u9635, \u5373\u5b83\u65e0\u6cd5\u4fdd\u6301\u5012\u8f66\u65b9\u5411\u5411\u91cf\u7684\u6a21\u957f\u6052\u4e3a1, \u4e8e\u662f\u9700\u8981\u5bf9\u7ecf\u65cb\u8f6c\u77e9\u9635\u53d8\u6362\u540e\u7684\u5012\u8f66\u65b9\u5411\u5411\u91cf\u8fdb\u884c\u5f52\u4e00\u5316.<\/p>\n<p>\u7136\u9e45, \u5751\u7239\u7684\u662f\u4f7f\u7528XMVector3Normalize\u8fd9\u4e00\u4e2aDirect3D\u63d0\u4f9b\u7684\u5f52\u4e00\u5316\u51fd\u6570\u6839\u672c\u6ca1\u5375\u7528, \u4f9d\u65e7\u65e0\u6cd5\u4fdd\u6301\u5012\u8f66\u65b9\u5411\u5411\u91cf\u7684\u6a21\u957f! \u771f\u662f\u9189\u4e86, \u4e0d\u77e5\u9053\u8fd9\u4e2a\u662f\u7b97Bug\u8fd8\u662f\u6211\u7684\u4f7f\u7528\u65b9\u6cd5\u6709\u95ee\u9898\u2026\u2026 \u53cd\u6b63\u6700\u540e\u6211\u662f\u81ea\u5df1\u624b\u5199\u4e86\u4e00\u4e2a\u5411\u91cf\u5f52\u4e00\u5316\u51fd\u6570\u989d\u2026\u2026<\/p>\n<p>\u53cd\u6b63\u7ec8\u4e8e\u662f\u505a\u5b8c\u4e86!!! \u5b8c\u7ed3\u6492\u82b1\u273f\u273f\u30fd(\u00b0\u25bd\u00b0)\u30ce\u273f<\/p>\n<p>PS: \u9644\u65cb\u8f6c\u77e9\u9635\u662f\u6b63\u4ea4\u77e9\u9635\u7684\u8bc1\u660e<br \/>\n<a href=\"https:\/\/blog.csdn.net\/qq_41951923\/article\/details\/103540506\">\u8bc1\u660e\uff1a\u65cb\u8f6c\u77e9\u9635\u662f\u6b63\u4ea4\u77e9\u9635<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7ec8\u4e8e\u505a\u5b8c\u7f51\u6613\u7b2c\u4e8c\u4e2a\u4efb\u52a1\u4e86, \u8d76DDL\u8fd9\u51e0\u5929\u786e\u5b9e\u662f\u75db\u82e6\u4e0e\u5feb\u4e50\u5e76\u5b58, \u4f46\u597d\u5728\u6700\u540e\u8fd8\u7b97\u662f\u987a\u5229\u5b8c\u6210\u4e86, \u9664\u4e86\u9634\u5f71\u90a3\u90e8\u5206 &hellip; <a href=\"https:\/\/www.caiqinyi.cn\/index.php\/2020\/02\/23\/rotation_orthogonal\/\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">\u65cb\u8f6c\u77e9\u9635\u662f\u4e00\u4e2a\u6b63\u4ea4\u77e9\u9635\uff1f\uff1f\uff1f<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"_links":{"self":[{"href":"https:\/\/www.caiqinyi.cn\/index.php\/wp-json\/wp\/v2\/posts\/528"}],"collection":[{"href":"https:\/\/www.caiqinyi.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.caiqinyi.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.caiqinyi.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.caiqinyi.cn\/index.php\/wp-json\/wp\/v2\/comments?post=528"}],"version-history":[{"count":5,"href":"https:\/\/www.caiqinyi.cn\/index.php\/wp-json\/wp\/v2\/posts\/528\/revisions"}],"predecessor-version":[{"id":657,"href":"https:\/\/www.caiqinyi.cn\/index.php\/wp-json\/wp\/v2\/posts\/528\/revisions\/657"}],"wp:attachment":[{"href":"https:\/\/www.caiqinyi.cn\/index.php\/wp-json\/wp\/v2\/media?parent=528"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.caiqinyi.cn\/index.php\/wp-json\/wp\/v2\/categories?post=528"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.caiqinyi.cn\/index.php\/wp-json\/wp\/v2\/tags?post=528"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}