{"id":640,"date":"2009-09-22T12:38:00","date_gmt":"2009-09-22T04:38:00","guid":{"rendered":""},"modified":"2013-11-17T17:11:45","modified_gmt":"2013-11-17T09:11:45","slug":"opengl%e6%95%99%e7%a8%8bdelphi%e7%89%883-%e7%9d%80%e8%89%b2","status":"publish","type":"post","link":"https:\/\/kyle.ai\/blog\/640.html","title":{"rendered":"openGL\u6559\u7a0bdelphi\u7248(3)&#8212;-\u7740\u8272"},"content":{"rendered":"<p>\u7ee7\u7eed<\/p>\n<p>\u4e0a\u4e00\u8282\u4e2d\u6211\u6559\u7ed9\u60a8\u4e09\u89d2\u5f62\u548c\u56db\u8fb9\u5f62\u7684\u7ed8\u5236\u65b9\u6cd5\u3002\u8fd9\u4e00\u8282\u5c06\u6559\u60a8\u7ed9\u4e09\u89d2\u5f62\u548c\u56db\u8fb9\u5f62\u6dfb\u52a02\u79cd\u4e0d\u540c\u7c7b\u578b\u7684\u7740\u8272\u65b9\u6cd5\u3002\u4f7f\u7528Flat coloring(\u5355\u8c03\u7740\u8272)\u7ed9\u56db\u8fb9\u5f62\u6d82\u4e0a\u56fa\u5b9a\u7684\u4e00\u79cd\u989c\u8272\u3002\u4f7f\u7528Smooth coloring(\u5e73\u6ed1\u7740\u8272)\u5c06\u4e09\u89d2\u5f62\u7684\u4e09\u4e2a\u9876\u70b9\u7684\u4e0d\u540c\u989c\u8272\u6df7\u5408\u5728\u4e00\u8d77\uff0c\u521b\u5efa\u6f02\u4eae\u7684\u8272\u5f69\u6df7\u5408\u3002<br \/>\n\u7ee7\u7eed\u5728\u4e0a\u8282\u7684glDraw\u4e0a\u4fee\u6539\u3002<\/p>\n<pre class=\"brush: delphi; title: ; notranslate\" title=\"\">\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   glTranslatef(-1.5, 0.0, -6.0);       \/\/ \u5de6\u79fb 1.5 \u5355\u4f4d\uff0c\u5e76\u79fb\u5165\u5c4f\u5e55 6.0\r\n\r\n   glBegin(GL_TRIANGLES);               \/\/ \u7ed8\u5236\u4e09\u89d2\u5f62\r\n\r\n   \/\/glColor3f(r,g,b)\u3002\u62ec\u53f7\u4e2d\u7684\u4e09\u4e2a\u53c2\u6570\u4f9d\u6b21\u662f\u7ea2\u3001\u7eff\u3001\u84dd\u4e09\u8272\u5206\u91cf\u3002\r\n   \/\/\u53d6\u503c\u8303\u56f4\u53ef\u4ee5\u4ece0,0\u52301.0\u3002\u7c7b\u4f3c\u4e8e\u4ee5\u524d\u6240\u8bb2\u7684\u6e05\u9664\u5c4f\u5e55\u80cc\u666f\u547d\u4ee4\u3002\r\n\r\n   \/\/\u6211\u4eec\u5c06\u989c\u8272\u8bbe\u4e3a\u7ea2\u8272(\u7eaf\u7ea2\u8272\uff0c\u65e0\u7eff\u8272\uff0c\u65e0\u84dd\u8272)\u3002\r\n   \/\/\u63a5\u4e0b\u6765\u7684\u4e00\u884c\u4ee3\u7801\u8bbe\u7f6e\u4e09\u89d2\u5f62\u7684\u7b2c\u4e00\u4e2a\u9876\u70b9(\u4e09\u89d2\u5f62\u7684\u4e0a\u9876\u70b9)\uff0c\r\n   \/\/\u5e76\u4f7f\u7528\u5f53\u524d\u989c\u8272(\u7ea2\u8272)\u6765\u7ed8\u5236\u3002\u4ece\u73b0\u5728\u5f00\u59cb\u6240\u6709\u7684\u7ed8\u5236\u7684\u5bf9\u8c61\u7684\u989c\u8272\u90fd\u662f\u7ea2\u8272\uff0c\r\n   \/\/\u76f4\u5230\u6211\u4eec\u5c06\u7ea2\u8272\u6539\u53d8\u6210\u522b\u7684\u4ec0\u4e48\u989c\u8272\u3002\r\n\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\r\n   \/\/\u7b2c\u4e00\u4e2a\u7ea2\u8272\u9876\u70b9\u5df2\u7ecf\u8bbe\u7f6e\u5b8c\u6bd5\u3002\r\n   \/\/\u63a5\u4e0b\u6765\u6211\u4eec\u8bbe\u7f6e\u7b2c\u4e8c\u4e2a\u7eff\u8272\u9876\u70b9\u3002\u4e09\u89d2\u5f62\u7684\u5de6\u4e0b\u9876\u70b9\u88ab\u8bbe\u4e3a\u7eff\u8272\u3002\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   \/\/\u4e09\u89d2\u5f62\u7684\u53f3\u4e0b\u9876\u70b9\u3002\u5c06\u989c\u8272\u8bbe\u4e3a\u84dd\u8272\r\n   \/\/glEnd()\u51fa\u73b0\u540e\uff0c\u4e09\u89d2\u5f62\u5c06\u88ab\u586b\u5145\u3002\r\n   \/\/\u4f46\u662f\u56e0\u4e3a\u6bcf\u4e2a\u9876\u70b9\u6709\u4e0d\u540c\u7684\u989c\u8272\uff0c\u56e0\u6b64\u770b\u8d77\u6765\u989c\u8272\u4ece\u6bcf\u4e2a\u89d2\u55b7\u51fa\uff0c\r\n   \/\/\u5e76\u521a\u597d\u5728\u4e09\u89d2\u5f62\u7684\u4e2d\u5fc3\u6c47\u5408\uff0c\u4e09\u79cd\u989c\u8272\u76f8\u4e92\u6df7\u5408\u3002\u8fd9\u5c31\u662f\u5e73\u6ed1\u7740\u8272\u3002\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\r\n   glEnd();                             \/\/ \u4e09\u89d2\u5f62\u7ed8\u5236\u7ed3\u675f\r\n   glTranslatef(3.0, 0.0, 0.0);         \/\/ \u53f3\u79fb3\u5355\u4f4d\r\n\r\n   \/\/\u73b0\u5728\u6211\u4eec\u7ed8\u5236\u4e00\u4e2a\u5355\u8c03\u7740\u8272\uff0d\u7d2b\u8272\u7684\u6b63\u65b9\u5f62\u3002\r\n   \/\/\u6700\u91cd\u8981\u7684\u662f\u8981\u8bb0\u4f4f\uff0c\u8bbe\u7f6e\u5f53\u524d\u8272\u4e4b\u540e\u7ed8\u5236\u7684\u6240\u6709\u4e1c\u4e1c\u90fd\u662f\u5f53\u524d\u8272\u7684\u3002\r\n   \/\/\u4ee5\u540e\u60a8\u6240\u521b\u5efa\u7684\u6bcf\u4e2a\u5de5\u7a0b\u90fd\u8981\u4f7f\u7528\u989c\u8272\u3002\r\n   \/\/\u5373\u4fbf\u662f\u5728\u5b8c\u5168\u91c7\u7528\u7eb9\u7406\u8d34\u56fe\u7684\u65f6\u5019\uff0c\r\n   \/\/glColor3f\u4ecd\u65e7\u53ef\u4ee5\u7528\u6765\u8c03\u8282\u7eb9\u7406\u7684\u8272\u8c03\u3002\r\n   \/\/\u7b49\u7b49....,\u4ee5\u540e\u518d\u8bf4\u5427\u3002\r\n   \/\/\uff08\u5475\u5475\uff0c\u539f\u4e66\u662f\u84dd\u8272\uff0c\u4f46\u662f\u6211\u559c\u6b22\u7d2b\u8272\uff09\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\nEnd;\r\n<\/pre>\n<p>\u8fd0\u884c\u4e00\u4e0b\u770b\u770b\u6548\u679c<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7ee7\u7eed \u4e0a\u4e00\u8282\u4e2d\u6211\u6559\u7ed9\u60a8\u4e09\u89d2\u5f62\u548c\u56db\u8fb9\u5f62\u7684\u7ed8\u5236\u65b9\u6cd5\u3002\u8fd9\u4e00\u8282\u5c06\u6559\u60a8\u7ed9\u4e09\u89d2\u5f62\u548c\u56db\u8fb9\u5f62\u6dfb\u52a02\u79cd\u4e0d\u540c\u7c7b\u578b\u7684\u7740\u8272\u65b9\u6cd5\u3002\u4f7f\u7528F [&hellip;]<\/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-640","post","type-post","status-publish","format-standard","hentry","category-code_related"],"_links":{"self":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts\/640","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=640"}],"version-history":[{"count":1,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts\/640\/revisions"}],"predecessor-version":[{"id":4727,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts\/640\/revisions\/4727"}],"wp:attachment":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/media?parent=640"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/categories?post=640"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/tags?post=640"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}