{"id":1877,"date":"2013-10-25T16:56:07","date_gmt":"2013-10-25T15:56:07","guid":{"rendered":"http:\/\/roboblog.fatal-fury.de\/?p=1877"},"modified":"2013-10-25T16:56:07","modified_gmt":"2013-10-25T15:56:07","slug":"digitaler-kreis","status":"publish","type":"post","link":"http:\/\/roboblog.fatal-fury.de\/?p=1877","title":{"rendered":"digitaler Kreis"},"content":{"rendered":"<p>Wie mancht man aus einem kontinuierlichen Kreis einen stetigen?<\/p>\n<pre>\r\n<code>\r\nint offset = 10;\r\n\r\nvoid resetFont() {\r\n    if (isatty (fileno (stdout)))\r\n        std::cout << \"\\e[0m\";\r\n}\r\n\r\nvoid setFontRed() {\r\n    if (isatty (fileno (stdout)))\r\n        std::cout << \"\\e[1;31m\";\r\n}\r\n\r\nvoid setFontGreen() {\r\n    if (isatty (fileno (stdout)))\r\n        std::cout << \"\\e[32m\";\r\n}\r\n\r\nvoid setFontYellow() {\r\n    if (isatty (fileno (stdout)))\r\n        std::cout << \"\\e[33m\";\r\n}\r\n\r\nvoid setFontBlue() {\r\n    if (isatty (fileno (stdout)))\r\n        std::cout << \"\\e[34m\";\r\n}\r\n\r\nvoid setFont() {\r\n    if (isatty (fileno (stdout)))\r\n        std::cout << \"\\e[35m\";\r\n}\r\n\r\nvoid gotoxy(int x,int y)\r\n{\r\n  printf(\"%c[%d;%df\",0x1B,y,x);\r\n}\r\n\r\nvoid makeCircle(int radius, char c) {\r\n  if(radius == 0) {\r\n    gotoxy(offset, offset);\r\n      cout << c;\r\n  }\r\n  else {\r\n    int num = (radius+1) * 4;\r\n    for(int i=0; i < num; i++) {\r\n      int x = round(radius * cos(double(i) \/ num * 2 * M_PI));\r\n      int y = round(radius * sin(double(i) \/ num * 2 * M_PI));\r\n      gotoxy(x+offset, y+offset);\r\n      cout << c;\r\n\r\n    }\r\n  }\r\n}\r\n\r\nint main() {\r\n\r\n  char c = '0';\r\n  \r\n  int radius = 0;\r\n  setFontRed();\r\n  makeCircle(radius, c + radius);\r\n\r\n  radius = 1;\r\n  setFontGreen();\r\n  makeCircle(radius, c + radius);\r\n\r\n  radius = 2;\r\n  setFontYellow();\r\n  makeCircle(radius, c + radius);\r\n\r\n  radius = 3;\r\n  setFontBlue();\r\n  makeCircle(radius, c + radius);\r\n\r\n  radius = 4;\r\n  setFont();\r\n  makeCircle(radius, c + radius);\r\n  \r\n  resetFont();\r\n  for(int i = 0; i < 10; i++) cout << endl;\r\n\r\nreturn 0;\r\n}\r\n\r\n<\/code>\r\n<\/pre>\n<p><a href=\"http:\/\/roboblog.fatal-fury.de\/wp-content\/uploads\/2013\/10\/digitalerkreis.png\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/roboblog.fatal-fury.de\/wp-content\/uploads\/2013\/10\/digitalerkreis.png\" alt=\"digitalerkreis\" title=\"digitalerkreis\" width=\"82\" height=\"134\" class=\"alignnone size-full wp-image-1879\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Wie mancht man aus einem kontinuierlichen Kreis einen stetigen? int offset = 10; void resetFont() { if (isatty (fileno (stdout))) std::cout<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-1877","post","type-post","status-publish","format-standard","hentry","category-allgemein"],"_links":{"self":[{"href":"http:\/\/roboblog.fatal-fury.de\/index.php?rest_route=\/wp\/v2\/posts\/1877","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/roboblog.fatal-fury.de\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/roboblog.fatal-fury.de\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/roboblog.fatal-fury.de\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/roboblog.fatal-fury.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1877"}],"version-history":[{"count":2,"href":"http:\/\/roboblog.fatal-fury.de\/index.php?rest_route=\/wp\/v2\/posts\/1877\/revisions"}],"predecessor-version":[{"id":1880,"href":"http:\/\/roboblog.fatal-fury.de\/index.php?rest_route=\/wp\/v2\/posts\/1877\/revisions\/1880"}],"wp:attachment":[{"href":"http:\/\/roboblog.fatal-fury.de\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1877"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/roboblog.fatal-fury.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1877"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/roboblog.fatal-fury.de\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1877"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}