{"id":7005,"date":"2019-09-03T23:18:43","date_gmt":"2019-09-03T14:18:43","guid":{"rendered":"https:\/\/minnano.app\/support\/?p=7005"},"modified":"2019-09-06T01:11:12","modified_gmt":"2019-09-05T16:11:12","slug":"deago-2-1","status":"publish","type":"post","link":"https:\/\/minnano.app\/support\/2019\/09\/03\/deago-2-1\/","title":{"rendered":"\u30c7\u30a2\u30b4\u30b9\u30c6\u30a3\u30fc\u30cb\u5546\u6cd5\u4f5c\u696d\u7ba1\u7406\u7b2c2\u5f3e 1\u65e5\u76ee"},"content":{"rendered":"\n

\u30a2\u30d7\u30ea\u4f5c\u6210\u306e\u4e0b\u6e96\u5099\u3068\u3057\u3066\u3001\u63cf\u753b\u65b9\u5f0f\u306b\u3088\u308b\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u306e\u6bd4\u8f03\u3092\u884c\u3044\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

\u4eca\u56de\u306f WebGL 1.0 \u306e GL_TRIANGLES \u3068 GL_TRIANGLE_STRIP \u3067\u30c6\u30af\u30b9\u30c1\u30e3\u4ed8\u304d\u306e\u7acb\u65b9\u4f53\u3092\u63cf\u753b\u3057\u305f\u5834\u5408\u3001\u3069\u306e\u304f\u3089\u3044\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u306b\u5dee\u304c\u51fa\u308b\u304b\u78ba\u8a8d\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u4ee5\u4e0b\u304c\u7d50\u679c\u3067\u3059\u3002<\/p>\n\n\n\n

\u6ce8\u610f\uff1a\u3053\u306e\u8868\u3092\u9d5c\u5451\u307f\u306b\u3057\u306a\u3044\u3067\u4e0b\u3055\u3044\u3002\u79c1\u306e\u60f3\u5b9a(\u7acb\u65b9\u4f53\u306b\u5bfe\u3057\u3066\u81ea\u7531\u306b\u30c6\u30af\u30b9\u30c1\u30e3\u3092\u8cbc\u308b\u3068\u304b)\u306b\u7e1b\u3089\u308c\u305f\u90e8\u5206\u3067\u6700\u9069\u5316\u51fa\u6765\u305a\u306b\u30d0\u30a4\u30c8\u6570\u304c\u5927\u304d\u304f\u306a\u3063\u3066\u3057\u307e\u3063\u3066\u3044\u308b\u90e8\u5206\u304c\u3042\u308a\u307e\u3059\u3002<\/strong><\/p>\n\n\n\n\u5358\u4f4d\uff1a\u30d0\u30a4\u30c8\n\n \n \n \n \n
\u7acb\u65b9\u4f53\u306e\u6570<\/th>GL_TRIANGLES<\/th>GL_TRIANGLE_STRIP<\/th>\n <\/tr>\n
1\u500b<\/td>864<\/td>336 (38.89%)<\/td>\n <\/tr>\n
10\u500b<\/td>8,640<\/td>3,432 (39.72%)<\/td>\n <\/tr>\n
100\u500b<\/td>86,400<\/td>34,392 (39.81%)<\/td>\n <\/tr>\n<\/table>\n\n\n\n

\u60c5\u5831\u3068\u3057\u3066\u306f\u3001\u9802\u70b9\u5ea7\u6a19(float\u578b*4\u30d0\u30a4\u30c83)\u3068\u30c6\u30af\u30b9\u30c1\u30e3\u5ea7\u6a19(float\u578b4\u30d0\u30a4\u30c8*2)\u3092\u4f7f\u7528\u3057\u3001\u9802\u70b9\u6570\u5206\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u30d0\u30c3\u30d5\u30a1(unsinged int\u578b 4\u30d0\u30a4\u30c8*\u9802\u70b9\u6570)\u3092\u4f7f\u3063\u3066\u63cf\u753b(drawElements\u306eAPI)\u3057\u305f\u5834\u5408\u3092\u8a08\u7b97\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

GL_TRIANGLES\u306f\u72ec\u7acb\u3057\u305f\u4e09\u89d2\u5f62\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u7acb\u65b9\u4f53\u3092\u63cf\u753b\u3057\u305f\u5834\u5408\u3067\u30011\u3064\u306e\u7acb\u65b9\u4f53\u3092\u63cf\u753b\u3059\u308b\u306e\u306b12\u306e\u72ec\u7acb\u3057\u305f\u4e09\u89d2\u5f62\u306e\u60c5\u5831\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n

1\u3064\u306e\u4e09\u89d2\u5f62\u3092\u63cf\u753b\u3059\u308b\u306e\u306b\u5fc5\u8981\u306a\u30d0\u30a4\u30c8\u6570\u306f\u3001\u9802\u70b9 (x, y, z)*3 + \u30c6\u30af\u30b9\u30c1\u30e3\u5ea7\u6a19 (x, y) * 3 + \u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u30d0\u30c3\u30d5\u30a1 * 3 = (9 + 6 + 3) * 4 = 72\u30d0\u30a4\u30c8<\/p>\n\n\n\n

1\u3064\u306e\u7acb\u65b9\u4f53\u3092\u63cf\u753b\u3059\u308b\u306e\u306b12\u306e\u4e09\u89d2\u5f62\u304c\u5fc5\u8981\u306a\u306e\u3067\u300172*12 = 864\u30d0\u30a4\u30c8\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

GL_TRIANGLE_STRIP\u306f\u540c\u3058\u304f\u4e09\u89d2\u5f62\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u63cf\u753b\u3067\u3059\u304c\u30012\u3064\u76ee\u4ee5\u964d\u306e\u4e09\u89d2\u5f62\u306f\u30011\u3064\u524d\u306e\u4e09\u89d2\u5f62\u3068\u8fba\u3092\u5171\u6709\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30ea\u30f3\u30af\u5148\u306e\u30a4\u30e1\u30fc\u30b8<\/a>\u3092\u898b\u3066\u3082\u3089\u3046\u3068\u308f\u304b\u308b\u306e\u3067\u3059\u304c\u3001\u7acb\u65b9\u4f53\u304c14\u306e\u9802\u70b9\u60c5\u5831\u3067\u5b9a\u7fa9\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u7acb\u65b9\u4f53\u3068\u7acb\u65b9\u4f53\u3092\u96e2\u308c\u305f\u5225\u306e\u5834\u6240\u306b\u540c\u6642\u306b\u63cf\u753b\u3059\u308b\u969b\u3001\u7e4b\u304c\u3089\u306a\u3044\u3088\u3046\u306b\u7e2e\u9000\u4e09\u89d2\u5f62\u3092\u5229\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u30012\u500b\u4ee5\u4e0a\u306e\u7acb\u65b9\u4f53\u30921\u56de\u306e\u30c9\u30ed\u30fc\u30b3\u30fc\u30eb\u3067\u63cf\u753b\u3059\u308b\u5834\u5408\u306f\u30012\u500b\u76ee\u4ee5\u964d\u306e\u7acb\u65b9\u4f53\u306b\u5bfe\u3057\u30662\u3064\u306e\u4f59\u5206\u306a\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u30d0\u30c3\u30d5\u30a1(unsinged int\u578b 4byte * 2)\u3092\u4f7f\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

1\u3064\u306e\u7acb\u65b9\u4f53\u3092\u63cf\u753b\u3059\u308b\u306e\u306b\u5fc5\u8981\u306a\u30d0\u30a4\u30c8\u6570\u306f\u3001(3 + 2) * 14 * 4 + 14 * 4 = 336\u30d0\u30a4\u30c8 \u3067\u30012\u500b\u76ee\u4ee5\u964d\u306f 344\u30d0\u30a4\u30c8\u3067\u3059\u3002<\/p>\n\n\n\n

\u7d50\u679c\u306e\u8868\u3092\u898b\u3066\u308f\u304b\u308b\u901a\u308a\u30012\u500d\u4ee5\u4e0a\u306e\u5dee\u304c\u51fa\u307e\u3057\u305f\u3002\u304b\u306a\u308a\u5927\u304d\u306a\u5dee\u306a\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n\n\n\n

\u660e\u65e5\u306f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b7\u30f3\u30b0(drawElementsInstancedANGLE)\u3092\u5229\u7528\u3057\u3066\u66f4\u306b\u524a\u6e1b\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u30a2\u30d7\u30ea\u4f5c\u6210\u306e\u4e0b\u6e96\u5099\u3068\u3057\u3066\u3001\u63cf\u753b\u65b9\u5f0f\u306b\u3088\u308b\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u306e\u6bd4\u8f03\u3092\u884c\u3044\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002 \u4eca\u56de\u306f WebGL 1.0 \u306e GL_TRIANGLES \u3068 GL_TRIANGLE_STRIP \u3067\u30c6\u30af\u30b9\u30c1\u30e3\u4ed8\u304d\u306e\u7acb\u65b9\u4f53\u3092\u63cf\u753b\u3057\u305f\u5834\u5408\u3001 … \u7d9a\u304d\u3092\u8aad\u3080 \u30c7\u30a2\u30b4\u30b9\u30c6\u30a3\u30fc\u30cb\u5546\u6cd5\u4f5c\u696d\u7ba1\u7406\u7b2c2\u5f3e 1\u65e5\u76ee<\/span> →<\/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":[16],"tags":[],"class_list":["post-7005","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/minnano.app\/support\/wp-json\/wp\/v2\/posts\/7005","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/minnano.app\/support\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/minnano.app\/support\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/minnano.app\/support\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/minnano.app\/support\/wp-json\/wp\/v2\/comments?post=7005"}],"version-history":[{"count":22,"href":"https:\/\/minnano.app\/support\/wp-json\/wp\/v2\/posts\/7005\/revisions"}],"predecessor-version":[{"id":7036,"href":"https:\/\/minnano.app\/support\/wp-json\/wp\/v2\/posts\/7005\/revisions\/7036"}],"wp:attachment":[{"href":"https:\/\/minnano.app\/support\/wp-json\/wp\/v2\/media?parent=7005"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/minnano.app\/support\/wp-json\/wp\/v2\/categories?post=7005"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/minnano.app\/support\/wp-json\/wp\/v2\/tags?post=7005"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}