{"id":8755,"date":"2020-06-08T09:43:02","date_gmt":"2020-06-08T01:43:02","guid":{"rendered":"https:\/\/www.bookcard.net\/wordpress\/?p=8755"},"modified":"2020-06-09T08:43:37","modified_gmt":"2020-06-09T00:43:37","slug":"opengl_camera3d_god_view","status":"publish","type":"post","link":"https:\/\/www.bookcard.net\/wordpress\/opengl_camera3d_god_view\/","title":{"rendered":"OpenGL\u76f8\u6a5f\u4e4b\u795e\u7747"},"content":{"rendered":"<p><a href=\"https:\/\/www.bookcard.net\/wordpress\/wp-content\/uploads\/2020\/06\/OpenGL_Camera3D_God_View.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-8756\" src=\"https:\/\/www.bookcard.net\/wordpress\/wp-content\/uploads\/2020\/06\/OpenGL_Camera3D_God_View.jpg\" alt=\"OpenGL\u76f8\u6a5f\u4e4b\u795e\u7747\" width=\"1280\" height=\"800\" srcset=\"https:\/\/www.bookcard.net\/wordpress\/wp-content\/uploads\/2020\/06\/OpenGL_Camera3D_God_View.jpg 1280w, https:\/\/www.bookcard.net\/wordpress\/wp-content\/uploads\/2020\/06\/OpenGL_Camera3D_God_View-300x188.jpg 300w, https:\/\/www.bookcard.net\/wordpress\/wp-content\/uploads\/2020\/06\/OpenGL_Camera3D_God_View-768x480.jpg 768w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/a>\u4eba\u7747\u4e16\u754c\u70ba\u5e73\u8996,\u795e\u7747\u4e16\u754c\u5247\u9ad8\u8655\u4fef\u8996.OpenGL\u7528UVN\u76f8\u6a5fgluLookAt()\u7528\u65bc\u6307\u5b9a\u76f8\u6a5f\u8996\u7dda. \u795e\u4f4d\u65bc10\u7c73\u9ad8,\u8655\u5782\u76f4\u4fef\u8996\u5730\u8868\u5373\u300e\u8996\u7dda\u300f\u8a2d(0.0f,0.0f,0.0f).\u5c07\u300e\u982d\u9802\u6307\u5411\u300f\u8a2d(0.0f,0.0f,1.0f) .<\/p>\n<table>\n<tbody>\n<tr>\n<td colspan=\"2\" width=\"575\">void gluLookAt(0.0f, 10.0f, 0.0f, \u00a0\u00a0\u00a00.0f, 0.0f, 0.0f, \u00a0\u00a00.0f,0.0f,1.0f);<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\" width=\"575\">void gluLookAt(GLdouble eyeX,GLdouble eyeY,GLdouble eyeZ,<\/p>\n<p>GLdouble centerX,GLdouble centerY,GLdouble centerZ,<\/p>\n<p>GLdouble upX,GLdouble upY,GLdouble upZ);<\/td>\n<\/tr>\n<tr>\n<td width=\"264\">eyeX, eyeY, eyeZ<\/td>\n<td width=\"311\">\u795e\u76ee\u4f4d\u7f6e.\u5373\u76f8\u6a5f\u4f4d\u7f6e. \u4e16\u754c\u5750\u6a19\u4f4d\u7f6e<\/td>\n<\/tr>\n<tr>\n<td width=\"264\">centerX, centerY, centerZ<\/td>\n<td width=\"311\">\u300e\u8996\u9ede\u300f\u6307\u5411\u4f4d\u7f6e.\u5373\u300e\u8996\u7dda\u300f. \u4e16\u754c\u5750\u6a19\u4f4d\u7f6e<\/td>\n<\/tr>\n<tr>\n<td width=\"264\">upX, upY, upZ<\/td>\n<td width=\"311\">\u795e\u982d\u9802\u6307\u5411,\u8a2d(0.0f,0.1f,0.0f)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u7528\u300e\u6b50\u62c9\u300fEuler\u76f8\u6a5f\u6a21\u578b\u5247\u65b9\u4fbf\u76f4\u63a5\u7e5eX\u8ef8\u8f4990\u5ea6.<\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"288\">glRotatef(90.0f, 1.0f, 0.0f, 0.0f);<\/td>\n<td width=\"288\">\u50be\u659c\/\u4fef\u4ef0\u7e5eX\u8ef8\u65cb\u8f49\u7684\u89d2\u5ea6<\/td>\n<\/tr>\n<tr>\n<td width=\"288\">glRotatef(0.0f, 0.0f, 0.0f, 1.0f);<\/td>\n<td width=\"288\">\u6a6b\u6416\/\u5074\u6efe\u7e5eZ\u8ef8\u65cb\u8f49\u7684\u89d2\u5ea6<\/td>\n<\/tr>\n<tr>\n<td width=\"288\">glRotatef(0.0f, 0.0f, 1.0f, 0.0f);<\/td>\n<td width=\"288\">\u504f\u822a\/\u822a\u5411\u7e5eY\u8ef8\u65cb\u8f49\u7684\u89d2\u5ea6<\/td>\n<\/tr>\n<tr>\n<td width=\"288\">glTranslatef(-x,-y,-z);<\/td>\n<td width=\"288\">\u79fb\u52d5\u6a21\u578b\u5750\u6a19<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4eba\u7747\u4e16\u754c\u70ba\u5e73\u8996,\u795e\u7747\u4e16\u754c\u5247\u9ad8\u8655\u4fef\u8996.OpenGL\u7528UVN\u76f8\u6a5fgluLookAt()\u7528\u65bc\u6307\u5b9a\u76f8\u6a5f\u8996\u7dda. \u795e\u4f4d\u65bc1 &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.bookcard.net\/wordpress\/opengl_camera3d_god_view\/\" class=\"more-link\">\u7e7c\u7e8c\u95b1\u8b80 <span class=\"screen-reader-text\">OpenGL\u76f8\u6a5f\u4e4b\u795e\u7747<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[62],"tags":[50],"class_list":["post-8755","post","type-post","status-publish","format-standard","hentry","category-opengl","tag-opengl","entry"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/posts\/8755","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/comments?post=8755"}],"version-history":[{"count":1,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/posts\/8755\/revisions"}],"predecessor-version":[{"id":8757,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/posts\/8755\/revisions\/8757"}],"wp:attachment":[{"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/media?parent=8755"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/categories?post=8755"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/tags?post=8755"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}