\u4e0a\u4e00\u8282\u4e2d\u6559\u7ed9\u60a8\u4e09\u89d2\u5f62\u548c\u56db\u8fb9\u5f62\u7684\u7740\u8272\u3002\u8fd9\u4e00\u8bfe\u5c06\u6559\u60a8\u5982\u4f55\u5c06\u8fd9\u4e9b\u5f69\u8272\u5bf9\u8c61\u7ed5\u7740\u5750\u6807\u8f74\u65cb\u8f6c\u3002
\n\u5176\u5b9e\u53ea\u9700\u5728\u4e0a\u8282\u7684\u4ee3\u7801\u4e0a\u589e\u52a0\u51e0\u884c\u5c31\u53ef\u4ee5\u4e86\u3002\u4e0b\u9762\u5c06\u6574\u4e2a\u4f8b\u7a0b\u91cd\u5199\u4e00\u904d\u3002\u65b9\u4fbf\u60a8\u77e5\u9053\u589e\u52a0\u4e86\u4ec0\u4e48\uff0c\u4fee\u6539\u4e86\u4ec0\u4e48\u3002
\n\u589e\u52a0\u4e24\u4e2a\u53d8\u91cf\u6765\u63a7\u5236\u8fd9\u4e24\u4e2a\u5bf9\u8c61\u7684\u65cb\u8f6c\u3002\u8fd9\u4e24\u4e2a\u53d8\u91cf\u52a0\u5728\u7a0b\u5e8f\u7684\u5f00\u59cb\u5904\u5176\u4ed6\u53d8\u91cf\u7684\u540e\u9762( bool fullscreen=TRUE;\u4e0b\u9762\u7684\u4e24\u884c)\u3002\u5b83\u4eec\u662f\u6d6e\u70b9\u7c7b\u578b\u7684\u53d8\u91cf\uff0c\u4f7f\u5f97\u6211\u4eec\u80fd\u591f\u975e\u5e38\u7cbe\u786e\u5730\u65cb\u8f6c\u5bf9\u8c61\u3002\u6d6e\u70b9\u6570\u5305\u542b\u5c0f\u6570\u4f4d\u7f6e\uff0c\u8fd9\u610f\u5473\u7740\u6211\u4eec\u65e0\u9700\u4f7f\u75281\u30012\u30013…\u7684\u89d2\u5ea6\u3002\u4f60\u4f1a\u53d1\u73b0\u6d6e\u70b9\u6570\u662fOpenGL\u7f16\u7a0b\u7684\u57fa\u7840\u3002\u65b0\u53d8\u91cf\u4e2d\u53eb\u505a rtri \u7684\u7528\u6765\u65cb\u8f6c\u4e09\u89d2\u5f62\uff0c rquad \u65cb\u8f6c\u56db\u8fb9\u5f62\u3002<\/p>\n
\r\nVar\r\n\r\n \u2026\u2026\r\n\r\n rtri : GLfloat; \/\/ \u7528\u4e8e\u4e09\u89d2\u5f62\u7684\u89d2\u5ea6 ( \u65b0\u589e )\r\n rquad : GLfloat; \/\/ \u7528\u4e8e\u56db\u8fb9\u5f62\u7684\u89d2\u5ea6 ( \u65b0\u589e )\r\n\r\n\u2026\u2026\r\n\r\n\u7136\u540e\u4fee\u6539 glDraw()\u5982\u4e0b\uff1a\r\n\r\nProcedure glDraw();\r\nBegin\r\n glClear(GL_COLOR_BUFFER_BIT Or GL_DEPTH_BUFFER_BIT); \/\/ \u6e05\u9664\u5c4f\u5e55\u548c\u6df1\u5ea6\u7f13\u5b58\r\n glLoadIdentity(); \/\/ \u91cd\u7f6e\u5f53\u524d\u7684\u6a21\u578b\u89c2\u5bdf\u77e9\u9635\r\n\r\n \/\/\u4e0b\u4e00\u884c\u4ee3\u7801\u662f\u65b0\u7684\u3002glRotatef(Angle,Xvector,Yvector,Zvector)\u8d1f\u8d23\u8ba9\u5bf9\u8c61\u7ed5\u67d0\u4e2a\u8f74\u65cb\u8f6c\u3002\r\n \/\/\u8fd9\u4e2a\u547d\u4ee4\u6709\u5f88\u591a\u7528\u5904\u3002 Angle \u901a\u5e38\u662f\u4e2a\u53d8\u91cf\u4ee3\u8868\u5bf9\u8c61\u8f6c\u8fc7\u7684\u89d2\u5ea6\u3002\r\n \/\/Xvector , Yvector \u548c Zvector \u4e09\u4e2a\u53c2\u6570\u5219\u5171\u540c\u51b3\u5b9a\u65cb\u8f6c\u8f74\u7684\u65b9\u5411\u3002\r\n \/\/\u6bd4\u5982(1,0,0)\u6240\u63cf\u8ff0\u7684\u77e2\u91cf\u7ecf\u8fc7X\u5750\u6807\u8f74\u76841\u4e2a\u5355\u4f4d\u5904\u5e76\u4e14\u65b9\u5411\u5411\u53f3\u3002\r\n \/\/(-1,0,0)\u6240\u63cf\u8ff0\u7684\u77e2\u91cf\u7ecf\u8fc7X\u5750\u6807\u8f74\u76841\u4e2a\u5355\u4f4d\u5904\uff0c\u4f46\u65b9\u5411\u5411\u5de6\u3002\r\n \/\/D. Michael Traub:\u63d0\u4f9b\u4e86\u5bf9 Xvector , Yvector \u548c Zvector \u7684\u4e0a\u8ff0\u89e3\u91ca\u3002\r\n \/\/\u4e3a\u4e86\u66f4\u597d\u7684\u7406\u89e3X, Y \u548c Z\u7684\u65cb\u8f6c\uff0c\u6211\u4e3e\u4e9b\u4f8b\u5b50...\r\n\r\n \/\/X\u8f74\uff0d\u60a8\u6b63\u5728\u4f7f\u7528\u4e00\u53f0\u53f0\u952f\u3002\u952f\u7247\u4e2d\u5fc3\u7684\u8f74\u4ece\u5de6\u81f3\u53f3\u6446\u653e(\u5c31\u50cfOpenGL\u4e2d\u7684X\u8f74)\u3002\r\n \/\/\u5c16\u5229\u7684\u952f\u9f7f\u7ed5\u7740X\u8f74\u72c2\u8f6c\uff0c\u770b\u8d77\u6765\u8981\u4e48\u5411\u4e0a\u8f6c\uff0c\u8981\u4e48\u5411\u4e0b\u8f6c\u3002\r\n \/\/\u53d6\u51b3\u4e8e\u952f\u7247\u5f00\u59cb\u8f6c\u65f6\u7684\u65b9\u5411\u3002\u8fd9\u4e0e\u6211\u4eec\u5728OpenGL\u4e2d\u7ed5\u7740X\u8f74\u65cb\u8f6c\u4ec0\u4e48\u7684\u60c5\u5f62\u662f\u4e00\u6837\u7684\u3002\r\n \/\/(\u8bd1\u8005\u6ce8\uff1a\u8fd9\u4f1a\u513f\u60a8\u8981\u628a\u8138\u86cb\u51d1\u5411\u663e\u793a\u5668\u7684\u8bdd\uff0c\u4fdd\u51c6\u88ab\u952f\u5f00\u4e86\u82b1 ^-^\u3002)\r\n\r\n \/\/Y\u8f74\uff0d\u5047\u8bbe\u60a8\u6b63\u5904\u4e8e\u4e00\u4e2a\u5de8\u5927\u7684\u9f99\u5377\u98ce\u4e2d\u5fc3\uff0c\u9f99\u5377\u98ce\u7684\u4e2d\u5fc3\u4ece\u5730\u9762\u6307\u5411\u5929\u7a7a(\u5c31\u50cfOpenGL\u4e2d\u7684Y\u8f74)\u3002\r\n \/\/\u5783\u573e\u548c\u788e\u7247\u56f4\u7740Y\u8f74\u4ece\u5de6\u5411\u53f3\u6216\u662f\u4ece\u53f3\u5411\u5de6\u72c2\u8f6c\u4e0d\u6b62\u3002\r\n \/\/\u8fd9\u4e0e\u6211\u4eec\u5728OpenGL\u4e2d\u7ed5\u7740Y\u8f74\u65cb\u8f6c\u4ec0\u4e48\u7684\u60c5\u5f62\u662f\u4e00\u6837\u7684\u3002\r\n\r\n \/\/Z\u8f74\uff0d\u60a8\u4ece\u6b63\u524d\u65b9\u770b\u7740\u4e00\u53f0\u98ce\u6247\u3002\u98ce\u6247\u7684\u4e2d\u5fc3\u6b63\u597d\u671d\u7740\u60a8(\u5c31\u50cfOpenGL\u4e2d\u7684Z\u8f74)\u3002\r\n \/\/\u98ce\u6247\u7684\u53f6\u7247\u7ed5\u7740Z\u8f74\u987a\u65f6\u9488\u6216\u9006\u65f6\u9488\u72c2\u8f6c\u3002\u8fd9\u4e0e\u6211\u4eec\u5728OpenGL\u4e2d\u7ed5\u7740Z\u8f74\u65cb\u8f6c\u4ec0\u4e48\u7684\u60c5\u5f62\u662f\u4e00\u6837\u7684\u3002\r\n\r\n glTranslatef(-1.5, 0.0, -6.0); \/\/ \u5de6\u79fb 1.5 \u5355\u4f4d\uff0c\u5e76\u79fb\u5165\u5c4f\u5e55 6.0\r\n \/\/\u4e0b\u9762\u7684\u4e00\u884c\u4ee3\u7801\u4e2d\uff0c\u5982\u679crtri\u7b49\u4e8e7\uff0c\u6211\u4eec\u5c06\u4e09\u89d2\u5f62\u7ed5\u7740Y\u8f74\u4ece\u5de6\u5411\u53f3\u65cb\u8f6c7 \u3002\r\n \/\/\u60a8\u4e5f\u53ef\u4ee5\u6539\u53d8\u53c2\u6570\u7684\u503c\uff0c\u8ba9\u4e09\u89d2\u5f62\u7ed5\u7740X\u548cY\u8f74\u540c\u65f6\u65cb\u8f6c\u3002\r\n\r\n glRotatef(rtri, 0.0, 1.0, 0.0); \/\/ \u7ed5Y\u8f74\u65cb\u8f6c\u4e09\u89d2\u5f62 ( \u65b0\u589e )\r\n\r\n \/\/\u4e0b\u9762\u7684\u4ee3\u7801\u6ca1\u6709\u53d8\u5316\u3002\u5728\u5c4f\u5e55\u7684\u5de6\u9762\u753b\u4e86\u4e00\u4e2a\u5f69\u8272\u6e10\u53d8\u4e09\u89d2\u5f62\uff0c\u5e76\u7ed5\u7740Y\u8f74\u4ece\u5de6\u5411\u53f3\u65cb\u8f6c\r\n glBegin(GL_TRIANGLES); \/\/ \u7ed8\u5236\u4e09\u89d2\r\n glColor3f(1.0, 0.0, 0.0); \/\/\u8bbe\u7f6e\u5f53\u524d\u8272\u4e3a\u7ea2\u8272\r\n glVertex3f(0.0, 1.0, 0.0); \/\/ \u4e0a\u9876\u70b9\r\n glColor3f(0.0, 1.0, 0.0); \/\/\u8bbe\u7f6e\u5f53\u524d\u8272\u4e3a\u7eff\u8272\r\n glVertex3f(-1.0, -1.0, 0.0); \/\/ \u5de6\u4e0b\r\n glColor3f(0.0, 0.0, 1.0); \/\/\u8bbe\u7f6e\u5f53\u524d\u8272\u4e3a\u84dd\u8272\r\n glVertex3f(1.0, -1.0, 0.0); \/\/ \u53f3\u4e0b\r\n glEnd(); \/\/ \u4e09\u89d2\u5f62\u7ed8\u5236\u7ed3\u675f\r\n\r\n \/\/\u60a8\u4f1a\u6ce8\u610f\u4e0b\u9762\u7684\u4ee3\u7801\u4e2d\u6211\u4eec\u589e\u52a0\u4e86\u53e6\u4e00\u4e2aglLoadIdentity()\u8c03\u7528\u3002\r\n \/\/\u76ee\u7684\u662f\u4e3a\u4e86\u91cd\u7f6e\u6a21\u578b\u89c2\u5bdf\u77e9\u9635\u3002\r\n \/\/\u5982\u679c\u6211\u4eec\u6ca1\u6709\u91cd\u7f6e\uff0c\u76f4\u63a5\u8c03\u7528glTranslate\u7684\u8bdd\uff0c\u4f1a\u51fa\u73b0\u610f\u6599\u4e4b\u5916\u7684\u7ed3\u679c\u3002\r\n \/\/\u56e0\u4e3a\u5750\u6807\u8f74\u5df2\u7ecf\u65cb\u8f6c\u4e86\uff0c\u5f88\u53ef\u80fd\u6ca1\u6709\u671d\u7740\u60a8\u6240\u5e0c\u671b\u7684\u65b9\u5411\u3002\r\n \/\/\u6240\u4ee5\u6211\u4eec\u672c\u6765\u60f3\u8981\u5de6\u53f3\u79fb\u52a8\u5bf9\u8c61\u7684\uff0c\u5c31\u53ef\u80fd\u53d8\u6210\u4e0a\u4e0b\u79fb\u52a8\u4e86\uff0c\u53d6\u51b3\u4e8e\u60a8\u5c06\u5750\u6807\u8f74\u65cb\u8f6c\u4e86\u591a\u5c11\u89d2\u5ea6\u3002\r\n \/\/\u8bd5\u8bd5\u5c06glLoadIdentity() \u6ce8\u91ca\u6389\u4e4b\u540e\uff0c\u4f1a\u51fa\u73b0\u4ec0\u4e48\u7ed3\u679c\u3002\r\n\r\n \/\/\u91cd\u7f6e\u6a21\u578b\u89c2\u5bdf\u77e9\u9635\u4e4b\u540e\uff0cX\uff0cY\uff0cZ\u8f74\u90fd\u4ee5\u590d\u4f4d\uff0c\u6211\u4eec\u8c03\u7528glTranslate\u3002\r\n \/\/\u60a8\u4f1a\u6ce8\u610f\u5230\u8fd9\u6b21\u6211\u4eec\u53ea\u5411\u53f3\u4e00\u4e861.5\u5355\u4f4d\uff0c\u800c\u4e0d\u662f\u4e0a\u8282\u8bfe\u76843.0\u5355\u4f4d\u3002\r\n \/\/\u56e0\u4e3a\u6211\u4eec\u91cd\u7f6e\u573a\u666f\u7684\u65f6\u5019\uff0c\u7126\u70b9\u53c8\u56de\u5230\u4e86\u573a\u666f\u7684\u4e2d\u5fc3(0.0\u5904)\u3002\r\n \/\/\u8fd9\u6837\u5c31\u53ea\u9700\u5411\u53f3\u79fb1.5\u5355\u4f4d\u5c31\u591f\u4e86\u3002\r\n \/\/\u5f53\u6211\u4eec\u79fb\u5230\u65b0\u4f4d\u7f6e\u540e\uff0c\u7ed5X\u8f74\u65cb\u8f6c\u56db\u8fb9\u5f62\u3002\u6b63\u65b9\u5f62\u5c06\u4e0a\u4e0b\u8f6c\u52a8\u3002\r\n\r\n glLoadIdentity(); \/\/ \u91cd\u7f6e\u6a21\u578b\u89c2\u5bdf\u77e9\u9635\r\n glTranslatef(1.5, 0.0, -6.0); \/\/ \u53f3\u79fb1.5\u5355\u4f4d,\u5e76\u79fb\u5165\u5c4f\u5e55 6.0\r\n glRotatef(rquad, 1.0, 0.0, 0.0); \/\/ \u7ed5X\u8f74\u65cb\u8f6c\u56db\u8fb9\u5f62 ( \u65b0\u589e )\r\n\r\n glBegin(GL_QUADS); \/\/ \u7ed8\u5236\u6b63\u65b9\u5f62\r\n glColor3f(0.6, 0.2, 2.0); \/\/\u8bbe\u7f6e\u5f53\u524d\u8272\u4e3a\u7d2b\u8272\r\n glVertex3f(-1.0, 1.0, 0.0); \/\/ \u5de6\u4e0a\r\n glVertex3f(1.0, 1.0, 0.0); \/\/ \u53f3\u4e0a\r\n glVertex3f(1.0, -1.0, 0.0); \/\/ \u5de6\u4e0b\r\n glVertex3f(-1.0, -1.0, 0.0); \/\/ \u53f3\u4e0b\r\n glEnd(); \/\/ \u6b63\u65b9\u5f62\u7ed8\u5236\u7ed3\u675f\r\n \/\/\u4e0b\u4e24\u884c\u662f\u65b0\u589e\u7684\u3002\r\n \/\/\u5018\u82e5\u628a rtri \u548c rquad \u60f3\u8c61\u4e3a\u5bb9\u5668\uff0c\r\n \/\/\u90a3\u4e48\u5728\u7a0b\u5e8f\u7684\u5f00\u59cb\u6211\u4eec\u521b\u5efa\u4e86\u5bb9\u5668(rtri , \u548crquad )\u3002\r\n \/\/\u5f53\u5bb9\u5668\u521b\u5efa\u4e4b\u540e\uff0c\u91cc\u9762\u662f\u7a7a\u7684\u3002\r\n \/\/\u4e0b\u9762\u7684\u7b2c\u4e00\u884c\u4ee3\u7801\u662f\u5411\u5bb9\u5668\u4e2d\u6dfb\u52a00.2\u3002\r\n \/\/\u56e0\u6b64\u6bcf\u6b21\u5f53\u6211\u4eec\u8fd0\u884c\u5b8c\u524d\u9762\u7684\u4ee3\u7801\u540e\uff0c\u90fd\u4f1a\u5728\u8fd9\u91cc\u4f7f rtri \u5bb9\u5668\u4e2d\u7684\u503c\u589e\u957f0.2\u3002\r\n \/\/\u540e\u9762\u4e00\u884c\u5c06 rquad \u5bb9\u5668\u4e2d\u7684\u503c\u51cf\u5c110.15\u3002\r\n \/\/\u540c\u6837\u6bcf\u6b21\u5f53\u6211\u4eec\u8fd0\u884c\u5b8c\u524d\u9762\u7684\u4ee3\u7801\u540e\uff0c\u90fd\u4f1a\u5728\u8fd9\u91cc\u4f7f rquad \u5bb9\u5668\u4e2d\u7684\u503c\u4e0b\u8dcc0.15\u3002\r\n \/\/\u4e0b\u8dcc\u6700\u7ec8\u4f1a\u5bfc\u81f4\u5bf9\u8c61\u65cb\u8f6c\u7684\u65b9\u5411\u548c\u589e\u957f\u7684\u65b9\u5411\u76f8\u53cd\u3002\r\n rtri := rtri + 0.2; \/\/ \u589e\u52a0\u4e09\u89d2\u5f62\u7684\u65cb\u8f6c\u53d8\u91cf(\u65b0\u589e)\r\n rquad := rquad - 0.15; \/\/ \u51cf\u5c11\u56db\u8fb9\u5f62\u7684\u65cb\u8f6c\u53d8\u91cf(\u65b0\u589e)\r\n\r\nEnd;\r\n\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"\u4e0a\u4e00\u8282\u4e2d\u6559\u7ed9\u60a8\u4e09\u89d2\u5f62\u548c\u56db\u8fb9\u5f62\u7684\u7740\u8272\u3002\u8fd9\u4e00\u8bfe\u5c06\u6559\u60a8\u5982\u4f55\u5c06\u8fd9\u4e9b\u5f69\u8272\u5bf9\u8c61\u7ed5\u7740\u5750\u6807\u8f74\u65cb\u8f6c\u3002 \u5176\u5b9e\u53ea\u9700\u5728\u4e0a\u8282\u7684\u4ee3\u7801\u4e0a\u589e\u52a0 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-641","post","type-post","status-publish","format-standard","hentry","category-code_related"],"_links":{"self":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts\/641","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/comments?post=641"}],"version-history":[{"count":1,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts\/641\/revisions"}],"predecessor-version":[{"id":4725,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts\/641\/revisions\/4725"}],"wp:attachment":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/media?parent=641"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/categories?post=641"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/tags?post=641"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}