{"id":9334,"date":"2019-05-19T23:47:00","date_gmt":"2019-05-19T14:47:00","guid":{"rendered":"http:\/\/www.webcyou.com\/?p=9334"},"modified":"2026-06-27T00:03:00","modified_gmt":"2026-06-26T15:03:00","slug":"xcode%e3%81%a8glfw%e3%81%a7%e3%81%af%e3%81%98%e3%82%81%e3%82%8bopengl","status":"publish","type":"post","link":"https:\/\/www.webcyou.com\/?p=9334","title":{"rendered":"Xcode\u3068GLFW\u3067\u306f\u3058\u3081\u308bOpenGL"},"content":{"rendered":"<p>\u3069\u3082\u3067\u3059\u3002<\/p>\n<p>\u524d\u3005\u304b\u3089 3D \u307e\u308f\u308a\u306e\u4ed5\u7d44\u307f\u3092\u3061\u3083\u3093\u3068\u89e6\u3063\u3066\u307f\u305f\u3044\u306a\u3068\u601d\u3063\u3066\u3044\u307e\u3057\u3066\u3001\u4eca\u56de\u306f\u91cd\u3044\u8170\u3092\u4e0a\u3052\u3066 <strong>OpenGL<\/strong> \u306b\u5165\u9580\u3057\u3066\u307f\u308b\u3053\u3068\u306b\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u74b0\u5883\u306f Mac \u306e Xcode\u3001\u30a6\u30a3\u30f3\u30c9\u30a6\u307e\u308f\u308a\u306f <strong>GLFW<\/strong> \u3092\u4f7f\u3063\u3066\u3044\u307e\u3059\u3002\u3068\u3044\u3046\u3053\u3068\u3067\u4eca\u56de\u306f\u3001Xcode \u3067 OpenGL \u306e\u74b0\u5883\u3092\u4f5c\u3063\u3066\u3001\u70b9\u30fb\u7dda\u30fb\u4e09\u89d2\u5f62\u3068\u56f3\u5f62\u3092\u5c11\u3057\u305a\u3064\u63cf\u753b\u3057\u3066\u3044\u304f\u307e\u3067\u3092\u307e\u3068\u3081\u305f\u5f62\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h4>Xcode \u3067 OpenGL \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u308b<\/h4>\n<p>\u307e\u305a\u306f Xcode \u3067\u65b0\u898f\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u30e1\u30cb\u30e5\u30fc\u306e\u300cFile &gt; New &gt; Project&#8230;\u300d\u304b\u3089\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-9345\" src=\"https:\/\/www.webcyou.com\/wp-content\/uploads\/2019\/02\/2fab30ece74173b91d242c184ce75313.png\" alt=\"\" width=\"416\" height=\"160\" srcset=\"https:\/\/www.webcyou.com\/wp-content\/uploads\/2019\/02\/2fab30ece74173b91d242c184ce75313.png 522w, https:\/\/www.webcyou.com\/wp-content\/uploads\/2019\/02\/2fab30ece74173b91d242c184ce75313-300x116.png 300w\" sizes=\"auto, (max-width: 416px) 100vw, 416px\" \/><\/p>\n<p>\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306e\u9078\u629e\u753b\u9762\u304c\u51fa\u3066\u304d\u307e\u3059\u3002\u4eca\u56de\u306f C \u3067\u66f8\u3044\u3066\u3044\u304f\u306e\u3067 macOS \u306e\u4e2d\u304b\u3089\u8a72\u5f53\u306e\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3092\u9078\u3093\u3067\u9032\u3081\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-9346\" src=\"https:\/\/www.webcyou.com\/wp-content\/uploads\/2019\/02\/07cf4d2346117b57e0f4e62d2e32efcc.png\" alt=\"\" width=\"523\" height=\"380\" srcset=\"https:\/\/www.webcyou.com\/wp-content\/uploads\/2019\/02\/07cf4d2346117b57e0f4e62d2e32efcc.png 715w, https:\/\/www.webcyou.com\/wp-content\/uploads\/2019\/02\/07cf4d2346117b57e0f4e62d2e32efcc-300x218.png 300w\" sizes=\"auto, (max-width: 523px) 100vw, 523px\" \/><\/p>\n<p>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u304c\u3067\u304d\u305f\u3089\u3001<code>main.c<\/code> \u306b GLFW \u306e\u30e9\u30a4\u30d6\u30e9\u30ea\uff08<code>libglfw<\/code>\uff09\u306a\u3069\u3092\u7d44\u307f\u8fbc\u3093\u3067\u3044\u304d\u307e\u3059\u3002\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3066\u300cAdd Files to &#8220;opengl-test&#8221;&#8230;\u300d\u304b\u3089\u5fc5\u8981\u306a\u30d5\u30a1\u30a4\u30eb\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-9347\" src=\"https:\/\/www.webcyou.com\/wp-content\/uploads\/2019\/02\/e8d5d7c540a547b6eba38430cadf3cc6.png\" alt=\"\" width=\"360\" height=\"447\" srcset=\"https:\/\/www.webcyou.com\/wp-content\/uploads\/2019\/02\/e8d5d7c540a547b6eba38430cadf3cc6.png 614w, https:\/\/www.webcyou.com\/wp-content\/uploads\/2019\/02\/e8d5d7c540a547b6eba38430cadf3cc6-242x300.png 242w\" sizes=\"auto, (max-width: 360px) 100vw, 360px\" \/><\/p>\n<p>\u30b3\u30fc\u30c9\u5074\u3067\u306f\u3001\u307e\u305a\u3053\u3093\u306a\u611f\u3058\u3067 GLFW \u306e\u30d8\u30c3\u30c0\u3084\u3001\u30d5\u30a1\u30a4\u30eb\u30fb\u914d\u5217\u3092\u6271\u3046\u305f\u3081\u306e C++ \u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u30a4\u30f3\u30af\u30eb\u30fc\u30c9\u3057\u3066\u304a\u304d\u307e\u3059\u3002\uff08<code>#pragma comment<\/code> \u306b\u3088\u308b\u30e9\u30a4\u30d6\u30e9\u30ea\u6307\u5b9a\u306f Windows \u5411\u3051\u306e\u8a18\u8ff0\u3067\u3059\u3002\uff09<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"cpp\">\/\/ \u30e9\u30a4\u30d6\u30e9\u30eaGLFW\u3092\n\/\/ \u300cDLL\u300d\u5f62\u5f0f\u3067\u5229\u7528\u3059\u308b\u3068\u30b3\u30f3\u30d1\u30a4\u30e9\u306b\u6559\u3048\u308b(Windows)\n#define GLFW_DLL\n\n\/\/ \u5fc5\u8981\u306a\u30d8\u30c3\u30c0\u3092\u30a4\u30f3\u30af\u30eb\u30fc\u30c9\n#include &lt;GL\/glfw.h&gt;\n#include \n\n\/\/ C++\u3067\u30d5\u30a1\u30a4\u30eb\u3092\u6271\u3046\u30e9\u30a4\u30d6\u30e9\u30ea\n#include \n\n\/\/ C++\u3067\u52d5\u7684\u914d\u5217\u3092\u6271\u3046\u30e9\u30a4\u30d6\u30e9\u30ea\n#include \n\n\/\/ \u30ea\u30f3\u30af\u3059\u308b\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u6307\u793a (Windows)\n#if defined (_MSC_VER)\n#pragma comment(lib, \"GLFWDLL.lib\")\n#pragma comment(lib, \"opengl32.lib\")\n#endif<\/pre>\n<p>\u3053\u306e\u3042\u305f\u308a\u306e\u30ea\u30f3\u30af\u8a2d\u5b9a\uff08GLFW \u3084\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e\u8aad\u307f\u8fbc\u307f\uff09\u3067\u3064\u307e\u305a\u304f\u3068\u3001\u63cf\u753b\u304c\u3046\u307e\u304f\u3044\u304b\u305a\u3001\u3053\u3093\u306a\u98a8\u306b\u8868\u793a\u304c\u4e71\u308c\u3066\u3057\u307e\u3046\u3053\u3068\u3082\u3042\u308a\u307e\u3057\u305f\u3002\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-9335\" src=\"https:\/\/www.webcyou.com\/wp-content\/uploads\/2019\/02\/4b6410d59775fc6818570f43be2917c3.png\" alt=\"\" width=\"456\" height=\"359\" srcset=\"https:\/\/www.webcyou.com\/wp-content\/uploads\/2019\/02\/4b6410d59775fc6818570f43be2917c3.png 635w, https:\/\/www.webcyou.com\/wp-content\/uploads\/2019\/02\/4b6410d59775fc6818570f43be2917c3-300x236.png 300w\" sizes=\"auto, (max-width: 456px) 100vw, 456px\" \/><\/p>\n<h4>\u307e\u305a\u306f\u30a6\u30a3\u30f3\u30c9\u30a6\u3092\u8868\u793a\u3059\u308b<\/h4>\n<p>\u74b0\u5883\u304c\u6574\u3063\u305f\u3089\u3001\u307e\u305a\u306f\u63cf\u753b\u7528\u306e\u30a6\u30a3\u30f3\u30c9\u30a6\u3092\u51fa\u3059\u3068\u3053\u308d\u304b\u3089\u3002\u80cc\u666f\u3092\u9ed2\u3067\u30af\u30ea\u30a2\u3057\u305f\u3001\u307e\u3063\u3055\u3089\u306a\u30a6\u30a3\u30f3\u30c9\u30a6\u304c\u8868\u793a\u3055\u308c\u308c\u3070\u7b2c\u4e00\u6bb5\u968e\u30af\u30ea\u30a2\u3067\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-9336\" src=\"https:\/\/www.webcyou.com\/wp-content\/uploads\/2019\/02\/26c8d0ee1fee7a37c30f1bd5a932eadb.png\" alt=\"\" width=\"467\" height=\"371\" srcset=\"https:\/\/www.webcyou.com\/wp-content\/uploads\/2019\/02\/26c8d0ee1fee7a37c30f1bd5a932eadb.png 661w, https:\/\/www.webcyou.com\/wp-content\/uploads\/2019\/02\/26c8d0ee1fee7a37c30f1bd5a932eadb-300x238.png 300w\" sizes=\"auto, (max-width: 467px) 100vw, 467px\" \/><\/p>\n<p>\u30b3\u30fc\u30c9\u3067\u898b\u308b\u3068\u3001GLFW \u306e\u521d\u671f\u5316\u3068\u30a6\u30a3\u30f3\u30c9\u30a6\u751f\u6210\u306f\u3053\u306e\u90e8\u5206\u3067\u3059\u3002<code>glfwInit<\/code> \u3067\u521d\u671f\u5316\u3057\u3001<code>glfwOpenWindow<\/code> \u3067\u30a6\u30a3\u30f3\u30c9\u30a6\u3092\u958b\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"cpp\">\/\/ \u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5b9f\u884c\u306fmain\u95a2\u6570\u304b\u3089\u958b\u59cb\u3055\u308c\u308b\nint main() {\n    if(!glfwInit()) {\n        return EXIT_FAILURE;\n    }\n\n\n    if (!glfwOpenWindow( 0, 0, 0, 0, 0, 0, 0, 0, GLFW_WINDOW)) {\n        glfwTerminate();\n        return EXIT_FAILURE;\n    }<\/pre>\n<p>\u305d\u3057\u3066\u3001\u30a6\u30a3\u30f3\u30c9\u30a6\u304c\u958b\u3044\u3066\u3044\u308b\u9593\u3050\u308b\u3050\u308b\u3068\u63cf\u753b\u30eb\u30fc\u30d7\u3092\u56de\u3057\u307e\u3059\u3002<code>glClearColor<\/code> \u3067\u5857\u308a\u3064\u3076\u3059\u8272\uff08\u3053\u3053\u3067\u306f\u9ed2\uff09\u3092\u6307\u5b9a\u3057\u3066\u3001<code>glClear<\/code> \u3067\u80cc\u666f\u3092\u5857\u308a\u3064\u3076\u3059\u3001\u3068\u3044\u3046\u6d41\u308c\u3067\u3059\u306d\u3002\uff08\u63cf\u753b\u5f8c\u306f <code>glfwSwapBuffers<\/code> \u3067\u753b\u9762\u3078\u53cd\u6620\u3057\u3001\u30a6\u30a3\u30f3\u30c9\u30a6\u304c\u9589\u3058\u3089\u308c\u305f\u3089 <code>glfwTerminate<\/code> \u3067\u5f8c\u59cb\u672b\u3092\u3057\u307e\u3059\u3002\uff09<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"cpp\">    \/\/ \u30a6\u30a4\u30f3\u30c9\u30a6\u304c\u958b\u3044\u3066\u3044\u308b\u9593\u3001\u30eb\u30fc\u30d7\u5185\u3092\u5b9f\u884c\u3059\u308b\n    while (glfwGetWindowParam(GLFW_OPENED)) {\n        \/\/ \u63cf\u753b\u30d0\u30c3\u30d5\u30a1\u3092\u5857\u308a\u6f70\u3059\u8272\u306e\u6210\u5206\u3092 \u305d\u308c\u305e\u308c0.0\u301c1.0\u3067\u6307\u5b9a\n        \/\/ glClearColor(\u8d64, \u7dd1, \u9752, \u30a2\u30eb\u30d5\u30a1)\n        glClearColor(0.0f, 0.0f, 0.0f, 0.0f);\n\n        glClear(GL_COLOR_BUFFER_BIT);<\/pre>\n<h4>\u70b9\u3092\u63cf\u753b\u3059\u308b<\/h4>\n<p>\u3055\u3066\u3001\u3053\u3053\u304b\u3089\u304c\u672c\u756a\u3002\u307e\u305a\u306f\u4e00\u756a\u30b7\u30f3\u30d7\u30eb\u306a\u300c\u70b9\u300d\u30921\u3064\u63cf\u753b\u3057\u3066\u307f\u307e\u3059\u3002\u30a6\u30a3\u30f3\u30c9\u30a6\u306e\u4e2d\u592e\u306b\u307d\u3064\u3093\u3068\u767d\u3044\u70b9\u304c\u8868\u793a\u3055\u308c\u307e\u3057\u305f\u3002\u5730\u5473\u3067\u3059\u304c\u3001\u3061\u3083\u3093\u3068\u63cf\u3051\u308b\u3068\u80f8\u30a2\u30c4\u3067\u3059\u306d\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-9337\" src=\"https:\/\/www.webcyou.com\/wp-content\/uploads\/2019\/02\/dbe784a76dd998bc89b28f10d1655e38.png\" alt=\"\" width=\"491\" height=\"386\" srcset=\"https:\/\/www.webcyou.com\/wp-content\/uploads\/2019\/02\/dbe784a76dd998bc89b28f10d1655e38.png 662w, https:\/\/www.webcyou.com\/wp-content\/uploads\/2019\/02\/dbe784a76dd998bc89b28f10d1655e38-300x236.png 300w\" sizes=\"auto, (max-width: 491px) 100vw, 491px\" \/><\/p>\n<h4>\u56db\u89d2\u5f62\u3092\u63cf\u753b\u3059\u308b<\/h4>\n<p>\u7d9a\u3044\u3066\u56db\u89d2\u5f62\u3067\u3059\u3002\u9802\u70b9\u30924\u3064\u6307\u5b9a\u3057\u3066\u3001\u9762\u3092\u5857\u308a\u3064\u3076\u3057\u3066\u307f\u307e\u3059\u3002\u307e\u305a\u306f\u767d\u3067\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-9338\" src=\"https:\/\/www.webcyou.com\/wp-content\/uploads\/2019\/02\/e9d0b9c16069f8e96e348280a2d6a14f.png\" alt=\"\" width=\"493\" height=\"388\" srcset=\"https:\/\/www.webcyou.com\/wp-content\/uploads\/2019\/02\/e9d0b9c16069f8e96e348280a2d6a14f.png 662w, https:\/\/www.webcyou.com\/wp-content\/uploads\/2019\/02\/e9d0b9c16069f8e96e348280a2d6a14f-300x236.png 300w\" sizes=\"auto, (max-width: 493px) 100vw, 493px\" \/><\/p>\n<p>\u540c\u3058\u56db\u89d2\u5f62\u306b\u8272\u3092\u6307\u5b9a\u3057\u3066\u3042\u3052\u308b\u3068\u3001\u3053\u3093\u306a\u611f\u3058\u3067\u5857\u308a\u306e\u8272\u3092\u5909\u3048\u3089\u308c\u307e\u3059\u3002\u30b7\u30a2\u30f3\u306b\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-9339\" src=\"https:\/\/www.webcyou.com\/wp-content\/uploads\/2019\/02\/2f63b774b1d776cfe802582b7fff6dcb.png\" alt=\"\" width=\"491\" height=\"387\" srcset=\"https:\/\/www.webcyou.com\/wp-content\/uploads\/2019\/02\/2f63b774b1d776cfe802582b7fff6dcb.png 670w, https:\/\/www.webcyou.com\/wp-content\/uploads\/2019\/02\/2f63b774b1d776cfe802582b7fff6dcb-300x236.png 300w\" sizes=\"auto, (max-width: 491px) 100vw, 491px\" \/><\/p>\n<p>\u30b3\u30fc\u30c9\u3067\u306f\u30014\u3064\u306e\u9802\u70b9\u306e\u5ea7\u6a19\u3092\u914d\u5217\u3067\u7528\u610f\u3057\u3066 <code>glVertexPointer<\/code> \u3067 OpenGL \u306b\u6e21\u3057\u3066\u3044\u307e\u3059\u3002\u5404\u9802\u70b9\u3092 <code>-0.5<\/code>\u301c<code>0.5<\/code> \u306e\u7bc4\u56f2\u3067\u6307\u5b9a\u3057\u3066\u3044\u308b\u306e\u304c\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"cpp\">        \/\/ \u63cf\u753b\u3059\u308b\u4e09\u89d2\u5f62\u306e4\u9802\u70b9\u3092\u914d\u5217\u3067\u7528\u610f\n        static const GLfloat vtx[] = {\n            -0.5f, -0.5f,\n            0.5f, -0.5f,\n            0.5f, 0.5f,\n            -0.5f, 0.5f\n        };\n        glVertexPointer(2, GL_FLOAT, 0, vtx);<\/pre>\n<p>\u3042\u3068\u306f\u3001\u3053\u306e\u9802\u70b9\u914d\u5217\u3092\u6709\u52b9\u306b\u3057\u3066 <code>glDrawArrays(GL_QUADS, 0, 4)<\/code> \u3092\u547c\u3079\u3070\u30014\u9802\u70b9\u3092\u3064\u306a\u3044\u3060\u56db\u89d2\u5f62\u304c\u63cf\u753b\u3055\u308c\u307e\u3059\u3002<\/p>\n<h4>\u7dda\u3092\u63cf\u753b\u3059\u308b<\/h4>\n<p>\u304a\u6b21\u306f\u7dda\u30022\u70b9\u3092\u6307\u5b9a\u3057\u3066\u3001\u305d\u306e\u9593\u3092\u7d50\u3076\u76f4\u7dda\u3092\u5f15\u3044\u3066\u307f\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-9340\" src=\"https:\/\/www.webcyou.com\/wp-content\/uploads\/2019\/02\/42b4a7ca838f7fd0dbfa2b13a0629653.png\" alt=\"\" width=\"509\" height=\"399\" srcset=\"https:\/\/www.webcyou.com\/wp-content\/uploads\/2019\/02\/42b4a7ca838f7fd0dbfa2b13a0629653.png 672w, https:\/\/www.webcyou.com\/wp-content\/uploads\/2019\/02\/42b4a7ca838f7fd0dbfa2b13a0629653-300x235.png 300w\" sizes=\"auto, (max-width: 509px) 100vw, 509px\" \/><\/p>\n<h4>\u4e09\u89d2\u5f62\u3092\u63cf\u753b\u3059\u308b<\/h4>\n<p>\u305d\u3057\u3066\u3044\u3088\u3044\u3088\u4e09\u89d2\u5f62\u30023\u3064\u306e\u9802\u70b9\u3092\u6307\u5b9a\u3057\u3066\u3001\u9762\u3092\u63cf\u753b\u3057\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-9341\" src=\"https:\/\/www.webcyou.com\/wp-content\/uploads\/2019\/02\/1f1f30074719eb381b98aca641176b5f.png\" alt=\"\" width=\"508\" height=\"400\" srcset=\"https:\/\/www.webcyou.com\/wp-content\/uploads\/2019\/02\/1f1f30074719eb381b98aca641176b5f.png 666w, https:\/\/www.webcyou.com\/wp-content\/uploads\/2019\/02\/1f1f30074719eb381b98aca641176b5f-300x236.png 300w\" sizes=\"auto, (max-width: 508px) 100vw, 508px\" \/><\/p>\n<p>\u9802\u70b9\u306e\u5ea7\u6a19\u3092\u3044\u3058\u308c\u3070\u3001\u5927\u304d\u3055\u3084\u4f4d\u7f6e\u3082\u81ea\u7531\u81ea\u5728\u3002\u5c11\u3057\u5927\u304d\u3081\u306e\u4e09\u89d2\u5f62\u306b\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-9342\" src=\"https:\/\/www.webcyou.com\/wp-content\/uploads\/2019\/02\/8299993d8c240618ae62447ccf7684a4.png\" alt=\"\" width=\"515\" height=\"409\" srcset=\"https:\/\/www.webcyou.com\/wp-content\/uploads\/2019\/02\/8299993d8c240618ae62447ccf7684a4.png 667w, https:\/\/www.webcyou.com\/wp-content\/uploads\/2019\/02\/8299993d8c240618ae62447ccf7684a4-300x238.png 300w\" sizes=\"auto, (max-width: 515px) 100vw, 515px\" \/><\/p>\n<h4>\u9802\u70b9\u3054\u3068\u306b\u8272\u3092\u4ed8\u3051\u3066\u307f\u308b<\/h4>\n<p>\u6700\u5f8c\u306b\u3001\u4e09\u89d2\u5f62\u306e\u5404\u9802\u70b9\u306b\u305d\u308c\u305e\u308c\u5225\u306e\u8272\u3092\u6307\u5b9a\u3057\u3066\u307f\u307e\u3059\u3002\u3059\u308b\u3068\u3001\u9802\u70b9\u3068\u9802\u70b9\u306e\u9593\u304c\u3044\u3044\u611f\u3058\u306b\u88dc\u9593\u3055\u308c\u3066\u3001\u3053\u3093\u306a\u306b\u30ad\u30ec\u30a4\u306a\u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u4e0a\u306e\u9802\u70b9\u3092\u8d64\u3001\u5de6\u4e0b\u3092\u7dd1\u3001\u53f3\u4e0b\u3092\u9752\u306b\u3057\u3066\u307f\u305f\u306e\u3067\u3059\u304c\u3001OpenGL \u304c\u9593\u306e\u8272\u3092\u306a\u3081\u3089\u304b\u306b\u5857\u3063\u3066\u304f\u308c\u308b\u3093\u3067\u3059\u3088\u306d\u3002\u3044\u3084\u3041\u3001\u3053\u308c\u306f\u306a\u304b\u306a\u304b\u306b\u80f8\u30a2\u30c4\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-9343\" src=\"https:\/\/www.webcyou.com\/wp-content\/uploads\/2019\/02\/7f3c8afe4b34bd19065677d75e1b2e32.png\" alt=\"\" width=\"507\" height=\"401\" srcset=\"https:\/\/www.webcyou.com\/wp-content\/uploads\/2019\/02\/7f3c8afe4b34bd19065677d75e1b2e32.png 661w, https:\/\/www.webcyou.com\/wp-content\/uploads\/2019\/02\/7f3c8afe4b34bd19065677d75e1b2e32-300x237.png 300w\" sizes=\"auto, (max-width: 507px) 100vw, 507px\" \/><\/p>\n<p>\u8272\u306f\u3001\u9802\u70b9\u3054\u3068\u306b\u300c\u8d64\u30fb\u7dd1\u30fb\u9752\u300d\u306e\u6210\u5206\u3092 <code>0.0<\/code>\u301c<code>1.0<\/code> \u3067\u914d\u5217\u306b\u7528\u610f\u3057\u3066\u3042\u3052\u307e\u3059\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"cpp\">        \/\/\u3000\u9802\u70b91\u3064\uff11\u3064\u306b\u5bfe\u3059\u308b\u8272\u3092\u914d\u5217\u3067\u7528\u610f\n        \/\/ \u8d64\u3001\u7dd1\u3001\u9752\u306e\u6210\u5206\u3092\u305d\u308c\u305e\u308c 0.0 ~ 1.0\u3067\u6307\u5b9a\u3059\u308b\n        static const GLfloat color[] = {\n            1.0f, 0.0f, 0.0f,\n            0.0f, 1.0f, 0.0f,\n            0.0f, 0.0f, 1.0f,\n        };<\/pre>\n<h4>\u304a\u307e\u3051\uff1a\u30c6\u30af\u30b9\u30c1\u30e3\u3092\u8cbc\u3063\u3066\u307f\u308b<\/h4>\n<p>\u56f3\u5f62\u304c\u63cf\u3051\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u306e\u3067\u3001\u304a\u307e\u3051\u3067\u56db\u89d2\u5f62\u306b\u30c6\u30af\u30b9\u30c1\u30e3\uff08\u753b\u50cf\uff09\u3092\u8cbc\u308b\u3068\u3053\u308d\u307e\u3067\u3084\u3063\u3066\u307f\u307e\u3059\u3002<\/p>\n<p>\u307e\u305a\u306f\u3001\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u3093\u3067 OpenGL \u306e\u30c6\u30af\u30b9\u30c1\u30e3\u3068\u3057\u3066\u8a2d\u5b9a\u3059\u308b\u95a2\u6570\u3092\u7528\u610f\u3057\u307e\u3059\u3002\u30d5\u30a1\u30a4\u30eb\u3092\u30d0\u30a4\u30ca\u30ea\u3067\u8aad\u307f\u8fbc\u3093\u3067\u3001<code>glTexImage2D<\/code> \u3067\u305d\u306e\u30c7\u30fc\u30bf\u3092 OpenGL \u3078\u8ee2\u9001\u3059\u308b\u3001\u3068\u3044\u3046\u6d41\u308c\u3067\u3059\u3002\u4eca\u56de\u306f 256\u00d7256 \u30d4\u30af\u30bb\u30eb\u306e RGBA \u753b\u50cf\u3092\u524d\u63d0\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"cpp\">\/\/ \u6307\u5b9a\u30c6\u30af\u30b9\u30c1\u30e3\u8b58\u5225\u5b50\u3078\n\/\/ \u30d5\u30a1\u30a4\u30eb\u304b\u3089\u8aad\u307f\u8fbc\u3093\u3060\u30c7\u30fc\u30bf\u3092\u4e0e\u3048\u308b\n\/\/ \u51e6\u7406\u304c\u6210\u529f\u3059\u308b\u3068\u3001true\u3092\u8fd4\u3059\nbool setupTexture(const GLuint id, const char* file) {\n    \/\/ \u30d5\u30a1\u30a4\u30eb\u3092\u30d0\u30a4\u30ca\u30ea\u30e2\u30fc\u30c9\u3067\u958b\u304f\n    std::ifstream fstr(file, std::ios::binary);\n\n    \/\/ \u30d5\u30a1\u30a4\u30eb\u304c\u898b\u3064\u304b\u3089\u306a\u3044\u7b49\u306e\u30a8\u30e9\u30fc\u304c\u3042\u308c\u3070 \u51e6\u7406\u3092\u4e2d\u65ad\n    if (!fstr) return false;\n\n    \/\/ \u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u53d6\u5f97\n    \/\/ \u8aad\u307f\u8fbc\u307f\u4f4d\u7f6e\u3092\u30d5\u30a1\u30a4\u30eb\u672b\u5c3e\u3078\u79fb\u52d5\n    \/\/ \u2192\u30d5\u30a1\u30a4\u30eb\u5148\u982d\u304b\u3089\u8aad\u307f\u8fbc\u307f\u4f4d\u7f6e\u307e\u3067\u30aa\u30d5\u30bb\u30c3\u30c8\n    \/\/ =\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\n    const size_t file_size = static_cast(fstr.seekg(0, fstr.end).tellg());\n\n    \/\/ \u8aad\u307f\u8fbc\u307f\u4f4d\u7f6e\u3092\u30d5\u30a1\u30a4\u30eb\u5148\u982d\u3078\u623b\u3059\n    fstr.seekg(0, fstr.beg);\n\n    \/\/ \u52d5\u7684\u914d\u5217\u3092\u4f7f\u3063\u3066\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u3080\u5834\u6240\u3092\u78ba\u4fdd\n    \/\/ char\u3092file_size\u500b, \u30e1\u30e2\u30ea\u306b\u78ba\u4fdd\u3059\u308b\n    std::vector texture_buffer(file_size);\n\n    \/\/ \u78ba\u4fdd\u3057\u305f\u5834\u6240\u3078\u30d5\u30a1\u30a4\u30eb\u306e\u5185\u5bb9\u3092\u5168\u3066\u8aad\u307f\u8fbc\u3080\n    fstr.read(&amp;texture_buffer[0], file_size);\n\n    \/\/ OpenGL\u306b\u300c\u3053\u308c\u304b\u3089\u3001\u30c6\u30af\u30b9\u30c1\u30e3\u8b58\u5225\u5b50id\u306b\u5bfe\u3057\u3066\u6307\u793a\u3092\u4e0e\u3048\u307e\u3059\u300d\u3068\u6307\u793a\u3002\n    glBindTexture(GL_TEXTURE_2D, id);\n\n    \/\/ 1\u30d4\u30af\u30bb\u30eb\u306b\u300c\u8d64\u3001\u7dd1\u3001\u9752\u3001\u30a2\u30eb\u30d5\u30a1\u300d\u306e\u60c5\u5831\u3092\u6301\u3064\n    \/\/ \u5e45256\u30d4\u30af\u30bb\u30eb\u3001\u9ad8\u3055256\u30d4\u30af\u30bb\u30eb\u306e\u753b\u50cf\u30c7\u30fc\u30bf\u3092OpenGL\u3078\u8ee2\u9001\n    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 256, 256, 0, GL_RGBA, GL_UNSIGNED_BYTE, &amp;texture_buffer[0]);\n\n    \/\/ \u753b\u50cf\u304c\u62e1\u5927\u3055\u308c\u305f\u5834\u5408\u306b\u3069\u3046\u632f\u308b\u821e\u3046\u304b\u6307\u5b9a\n    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);\n\n    \/\/  \u753b\u50cf\u304c\u7e2e\u5c0f\u3055\u308c\u305f\u5834\u5408\u306b\u3069\u3046\u632f\u308b\u821e\u3046\u304b\u6307\u5b9a\n    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);\n\n    return true;\n}<\/pre>\n<p>\u3042\u3068\u306f\u3001\u63cf\u753b\u30eb\u30fc\u30d7\u306e\u4e2d\u3067\u9802\u70b9\u3054\u3068\u306e\u30c6\u30af\u30b9\u30c1\u30e3\u5ea7\u6a19\uff08UV\uff09\u3092\u6307\u5b9a\u3057\u3001<code>glEnable(GL_TEXTURE_2D)<\/code> \u3067\u30c6\u30af\u30b9\u30c1\u30e3\u63cf\u753b\u3092\u6709\u52b9\u306b\u3057\u3066\u304b\u3089 <code>glDrawArrays(GL_QUADS, 0, 4)<\/code> \u3092\u547c\u3079\u3070\u3001\u56db\u89d2\u5f62\u306b\u753b\u50cf\u304c\u8cbc\u3089\u308c\u305f\u72b6\u614b\u3067\u63cf\u753b\u3055\u308c\u307e\u3059\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"cpp\">        \/\/\u3000\u9802\u70b9\u3054\u3068\u306e\u30c6\u30af\u30b9\u30c1\u30e3\u5ea7\u6a19\u3092\u914d\u5217\u3067\u6e96\u5099\n        static const GLfloat textture_uv[] = {\n            0.0f, 0.0f,\n            1.0f, 0.0f,\n            1.0f, 1.0f,\n            0.0f, 1.0f\n        };\n        glTexCoordPointer(2, GL_FLOAT, 0, textture_uv);\n\n        \/\/ OpenGL\u306b\u30c6\u30af\u30b9\u30c1\u30e3\u306b\u3088\u308b\u63cf\u753b\u3092\u6709\u52b9\u306b\u3059\u308b\u3068\u6307\u793a\n        glEnable(GL_TEXTURE_2D);\n\n        glEnableClientState(GL_VERTEX_ARRAY);\n\n        \/\/ \u63cf\u753b\u306e\u6642\u306b\u30c6\u30af\u30b9\u30c1\u30e3\u5ea7\u6a19\u914d\u5217\u3082\u4f7f\u3046\u3068\u6307\u793a\n        glEnableClientState(GL_TEXTURE_COORD_ARRAY);\n\n        \/\/ \u77ed\u5f62\u30921\u3064\u63cf\u753b\n        glDrawArrays(GL_QUADS, 0, 4);<\/pre>\n<h4>\u307e\u3068\u3081<\/h4>\n<p>\u3068\u3044\u3046\u3053\u3068\u3067\u3001Xcode + GLFW \u3067 OpenGL \u306e\u74b0\u5883\u3092\u4f5c\u3063\u3066\u3001\u70b9\u304b\u3089\u59cb\u3081\u3066\u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3\u306e\u4e09\u89d2\u5f62\u307e\u3067\u3092\u63cf\u753b\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n<p>\u74b0\u5883\u69cb\u7bc9\u307e\u308f\u308a\u306f\u5c11\u3057\u3060\u3051\u624b\u3053\u305a\u308a\u307e\u3057\u305f\u304c\u3001\u3044\u3056\u56f3\u5f62\u304c\u63cf\u3051\u308b\u3088\u3046\u306b\u306a\u308b\u3068\u3001\u5ea7\u6a19\u3084\u8272\u3092\u3044\u3058\u308b\u3060\u3051\u3067\u7d50\u679c\u304c\u3069\u3093\u3069\u3093\u5909\u308f\u3063\u3066\u3001\u3053\u308c\u304c\u307e\u305f\u697d\u3057\u3044\u3093\u3067\u3059\u3088\u306d\u3002\u6b21\u306f\u3053\u306e\u4e09\u89d2\u5f62\u3092\u56de\u3057\u305f\u308a\u30013D \u306b\u3057\u3066\u3044\u3063\u305f\u308a\u3068\u3001\u3082\u3046\u5c11\u3057\u8e0f\u307f\u8fbc\u3093\u3067\u3044\u3051\u308c\u3070\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>\u3067\u306f\u3067\u306f\u3041\u3002\u307e\u305f\u307e\u305f\u3041\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3069\u3082\u3067\u3059\u3002 \u524d\u3005\u304b\u3089 3D \u307e\u308f\u308a\u306e\u4ed5\u7d44\u307f\u3092\u3061\u3083\u3093\u3068\u89e6\u3063\u3066\u307f\u305f\u3044\u306a\u3068\u601d\u3063\u3066\u3044\u307e\u3057\u3066\u3001\u4eca\u56de\u306f\u91cd\u3044\u8170\u3092\u4e0a\u3052\u3066 OpenGL \u306b\u5165\u9580\u3057\u3066\u307f\u308b\u3053\u3068\u306b\u3057\u307e\u3057\u305f\u3002 \u74b0\u5883\u306f Mac \u306e Xcode\u3001\u30a6\u30a3\u30f3\u30c9\u30a6\u307e\u308f\u308a\u306f GLFW \u3092\u4f7f\u3063 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[],"class_list":["post-9334","post","type-post","status-publish","format-standard","hentry","category-c"],"_links":{"self":[{"href":"https:\/\/www.webcyou.com\/index.php?rest_route=\/wp\/v2\/posts\/9334","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.webcyou.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.webcyou.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.webcyou.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.webcyou.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9334"}],"version-history":[{"count":5,"href":"https:\/\/www.webcyou.com\/index.php?rest_route=\/wp\/v2\/posts\/9334\/revisions"}],"predecessor-version":[{"id":12721,"href":"https:\/\/www.webcyou.com\/index.php?rest_route=\/wp\/v2\/posts\/9334\/revisions\/12721"}],"wp:attachment":[{"href":"https:\/\/www.webcyou.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9334"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.webcyou.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9334"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.webcyou.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9334"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}