{"id":3566,"date":"2018-01-14T16:14:41","date_gmt":"2018-01-14T08:14:41","guid":{"rendered":"http:\/\/www.bookcard.net\/wordpress\/?p=3566"},"modified":"2018-10-14T21:30:33","modified_gmt":"2018-10-14T13:30:33","slug":"opengl_scale","status":"publish","type":"post","link":"https:\/\/www.bookcard.net\/wordpress\/opengl_scale\/","title":{"rendered":"OpenGL\u4e4b\u7e2e\u653e"},"content":{"rendered":"
\"\"<\/a>
OpenGL\u4e4b\u7e2e\u653e<\/figcaption><\/figure>\n

\u7e2e\u653eglScalef()\u53ef\u5728XYZ\u4e09\u8ef8\u6307\u5b9a\u4e0d\u540c\u7e2e\u653e\u7cfb\u6578,\u653e\u5927\u6216\u7e2e\u5c0f\u6a21\u578b\u6216\u5750\u6a19\u7cfb\u7d71\u7684\u5927\u5c0f.<\/p>\n

\u653e\u5927: \u7e2e\u653e\u7cfb\u6578\u5927\u65bc(>1),\u82e5\u8a2d\u70ba2\u653e\u5927\u4e00\u500d<\/p>\n

\u7e2e\u5c0f: \u7e2e\u653e\u7cfb\u6578\u70ba(1.0~0.0),\u82e5\u8a2d\u70ba0.5\u5074\u7e2e\u5c0f\u4e00\u500d<\/p>\n

\u51fd\u5f0f\u793a\u4f8b:<\/p>\n

    \n
  1. \u8a2d\u5b9a\u6a21\u578b\u8996\u5716\u77e9\u9663glMatrixMode(GL_MODELVIEW);<\/li>\n
  2. \u8f09\u5165\u55ae\u4f4d\u77e9\u9663glLoadIdentity();<\/li>\n
  3. \u7e2e\u653eglScalef(x,y,z);\u53c3\u6578xyz\u70ba\u7e2e\u653e\u7cfb\u6578\uff0c\u82e5\u7e2e\u653e\u7cfb\u6578\u4e3a1\u4fa7\u4e0d\u7f29\u653e.\u7e2e\u653e\u64cd\u4f5c\u5c31\u662f\u4e58\u4ee5\u7e2e\u653e\u7cfb\u6578.<\/li>\n
  4. \u7e6a\u756b\u7acb\u65b9\u9ad4Draw();<\/li>\n<\/ol>\n\n\n\n\n\n
    \u7e2e\u653e<\/td>\n\u7c21\u4ecb<\/td>\n<\/tr>\n
    void glScalef(<\/p>\n

    GLfloat x,<\/p>\n

    GLfloat y,<\/p>\n

    GLfloat z);<\/td>\n

    		\u55ae\u7cbe\u5ea6\u7248\u672c<\/p>\n

    \u5c0d\u6a21\u578b\u653e\u5927\u4e00\u500d:<\/p>\n

    1.\u00a0\u00a0\u00a0 \u7e2e\u653eglScalef(2,2,2)<\/p>\n

    2.\u00a0\u00a0\u00a0 \u5f8c\u518d\u7e6a\u756bDraw()<\/td>\n<\/tr>\n

    void glScaled(<\/p>\n

    GLdouble x,<\/p>\n

    GLdouble y,<\/p>\n

    GLdouble z);<\/td>\n

    		\u96d9\u7cbe\u5ea6\u7248\u672c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u7e2e\u653e\u6f14\u793a\u7a0b\u5f0f\u5982\u4e0a\u5716:\u4e0b\u8f09<\/a><\/p>\n

      \n
    1. \u6309UP\/DOWN\u9375\u5c0dXYZ\u4e09\u8ef8\u9032\u884c\u6a21\u578b\u7e2e\u653e<\/li>\n
    2. \u6309LEFT\/RIGHT\u9375\u7e5eY\u8ef8\u65cb\u8f49<\/li>\n
    3. \u6309F1\u9375\u6253\u958b\u5e6b\u52a9<\/li>\n
    4. \u6309ESC\u9375\u6a21\u578b\u7e2e\u653e\u91cd\u7f6e<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"

      \u7e2e\u653eglScalef()\u53ef\u5728XYZ\u4e09\u8ef8\u6307\u5b9a\u4e0d\u540c\u7e2e\u653e\u7cfb\u6578,\u653e\u5927\u6216\u7e2e\u5c0f\u6a21\u578b\u6216\u5750\u6a19\u7cfb\u7d71\u7684\u5927\u5c0f. \u653e\u5927: \u7e2e\u653e\u7cfb\u6578\u5927\u65bc … <\/p>\n

      \u7e7c\u7e8c\u95b1\u8b80 OpenGL\u4e4b\u7e2e\u653e<\/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":[62],"tags":[50],"class_list":["post-3566","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\/3566","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=3566"}],"version-history":[{"count":3,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/posts\/3566\/revisions"}],"predecessor-version":[{"id":3571,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/posts\/3566\/revisions\/3571"}],"wp:attachment":[{"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/media?parent=3566"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/categories?post=3566"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/tags?post=3566"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}