{"id":677,"date":"2019-10-28T15:16:22","date_gmt":"2019-10-28T06:16:22","guid":{"rendered":"https:\/\/junk-box.net\/kuyo\/?p=677"},"modified":"2019-10-31T01:06:52","modified_gmt":"2019-10-30T16:06:52","slug":"blender-shader-1","status":"publish","type":"post","link":"https:\/\/junk-box.net\/kuyo\/index.php\/2019\/10\/28\/blender-shader-1\/","title":{"rendered":"Blender\u306e\u30b7\u30a7\u30fc\u30c0\u30fc\u304a\u7d75\u304b\u304d"},"content":{"rendered":"\n

\u4eca\u56de\u306f\u5b8c\u5168\u306b\u81ea\u5206\u7528\u306e\u30e1\u30e2\u3067\u3059\u3002
Twitter\u3092\u898b\u3066\u3044\u3066\u3001Blender\u306e\u30b7\u30a7\u30fc\u30c0\u30fc\u30ce\u30fc\u30c9\u3067\u304a\u7d75\u304b\u304d\u3057\u3066\u3044\u308b\u65b9\u304c\u3044\u3089\u3063\u3057\u3083\u3063\u305f\u306e\u3067\u8ffd\u5b9f\u9a13\u3002<\/p>\n\n\n\n

\nhttps:\/\/twitter.com\/nakanasinokusa\/status\/1186709050114760704\n<\/div><\/figure>\n\n\n\n

Blender 2.79b\u3057\u304b\u4f7f\u3048\u306a\u3044\u306e\u3067\u30ce\u30fc\u30c9\u306f\u81ea\u4f5c\u3067\u3059\u3002<\/p>\n\n\n\n

\u306a\u304a\u3001tw\u306e\u5143\u30cd\u30bf\u306f\u4ee5\u4e0b\u3067\u3042\u308b\u3088\u3046\u3067\u3059\u3002
\u697d\u3057\u3044\uff01Unity\u30b7\u30a7\u30fc\u30c0\u30fc \u304a\u7d75\u63cf\u304d\u5165\u9580\uff01<\/a><\/p>\n\n\n\n

Blender\u3067\u5e73\u9762\u30dd\u30ea\u30b4\u30f3\u3092\u8ffd\u52a0\u3057\u3066\u3001\u305d\u306e\u5e73\u9762\u306b\u30b7\u30a7\u30fc\u30c0\u30fc\u30ce\u30fc\u30c9\u3067\u56f3\u5f62\u3092\u63cf\u5199\u3057\u307e\u3059\u3002
\u51c4\u304f\u9762\u767d\u3044\u30a2\u30a4\u30c7\u30a2\u3067\u3042\u308b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

\u69cb\u9020\u306f\u610f\u5916\u3068\u7c21\u5358\u3067\u3059\u3002<\/p>\n\n\n\n

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

\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30c6\u30af\u30b9\u30c1\u30e3\u753b\u50cf\u304b\u3089x,y\u5404\u5ea7\u6a19\u3092\u53d6\u308a\u51fa\u3057\u3001\u4e2d\u592e\u304b\u3089\u306e\u8ddd\u96e2\u3068\u89d2\u5ea6\u3092\u5206\u96e2\u3057\u307e\u3059\u3002
\u305d\u3057\u3066\u8ddd\u96e2\u3068\u89d2\u5ea6\u3092\u5165\u529b\u30d1\u30e9\u30e1\u30fc\u30bf\u3068\u3059\u308b\u95a2\u6570\u3092\u4f5c\u6210\u3057 \u3066\u6fc3\u5ea6\u30b0\u30e9\u30d5\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002
\u6fc3\u5ea6\u306b\u30ab\u30e9\u30fc\u30e9\u30f3\u30d7\u30ce\u30fc\u30c9\u7b49\u3067\u95be\u5024\u306e\u7bc4\u56f2\u3092\u6c7a\u3081\u3001\u30b7\u30a7\u30fc\u30c0\u30fc\u3067\u63cf\u5199\u3057\u307e\u3059\u3002
\u7b49\u9ad8\u7dda\u3092\u53d6\u308a\u51fa\u3059\u30ce\u30ea\u3067\u3059\u306d\u3002<\/p>\n\n\n\n

fract, distance, angle\u306e\u4e09\u3064\u306e \u30ce\u30fc\u30c9\u30b0\u30eb\u30fc\u30d7\u3092\u4f5c\u3063\u3066\u3044\u307e\u3059\u3002
\u53d6\u308a\u51fa\u3059\u30d9\u30af\u30c8\u30eb\u304c\u30ec\u30f3\u30b0\u30b9\uff11.0\u306b\u6b63\u898f\u5316\u3055\u308c\u3066\u3044\u308b\u524d\u63d0\u3068\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

fract\u306f\u5165\u529b\u3092\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30c6\u30af\u30b9\u30c1\u30e3\u5ea7\u6a19\u30d9\u30af\u30c8\u30eb\u3068\u3057\u307e\u3059\u3002
\u5404xy\u304c\u5468\u671f1\u3001\u30ec\u30f3\u30b8-1.0\uff5e1.0\u306e\u4fe1\u53f7\u3067\u3042\u308b\u3068\u4eee\u5b9a\u3057\u3001\u4efb\u610f\u500d\u6570\u306b\u9013\u500d\u3057\u3001\u65b0\u3057\u3044xy\u5ea7\u6a19\u3092\u500b\u5225\u306b\u51fa\u529b\u3057\u307e\u3059\u3002
\u51fa\u529b\u306e\u7bc4\u56f2\u306f-1.0\uff5e1.0\u306e\u5b9f\u6570\u3067\u3059\u3002<\/p>\n\n\n\n

\\(Fract(x,a) = mod(x+1.0 , \\frac{2}{a})\u30fb\\frac{a}{2} – 0.5\\\\
Fract(y,a) = mod(y+1.0 , \\frac{2}{a})\u30fb \\frac{a}{2} – 0.5\\) <\/p>\n\n\n\n

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

distance\u306f\u5404xy\u5ea7\u6a19\u3092\u5024\u3068\u3057\u3066\u53d7\u3051\u53d6\u308a\u3001\u539f\u70b9\u304b\u3089\u306e\u8ddd\u96e2\u3092\u6c42\u3081\u307e\u3059\u3002
\u51fa\u529b\u306e\u7bc4\u56f2\u306f0.0\uff5e \\(\\sqrt{2}\\) \u306e\u5b9f\u6570\u3067\u3059<\/p>\n\n\n\n

\\(Distance(x,y)=\\sqrt{x^2+y^2}\\)<\/p>\n\n\n\n

\u30b0\u30eb\u30fc\u30d7\u30ce\u30fc\u30c9\u3068\u51fa\u529b\u3092\u305d\u306e\u307e\u307e\u753b\u50cf\u51fa\u529b\u3057\u305f\u4f8b\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

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

\u539f\u70b9\u304c\u30bc\u30ed\u3067\u5024\u304c\u30bc\u30ed\u3001\u96e2\u308c\u308b\u306b\u5f93\u3044\u7dda\u5f62\u306b\u5024\u304c\u5897\u52a0\u3057\u3066\u3086\u304d\u307e\u3059\u3002
\u540c\u3058\u8ddd\u96e2\u3067\u3042\u308c\u3070\u540c\u3058\u5024\u306b\u306a\u308a\u307e\u3059\u3002
\u8272\u8868\u73fe\u7684\u306a\u610f\u5473\u3067\u306f\u56db\u9685\u306f\u98fd\u548c\u3057\u3066\u3044\u308b\u3053\u3068\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n

distance\u3092\u7528\u3044\u308c\u3070\u6570\u5f0f\u306b\u3088\u308a\u540c\u5fc3\u5186\u7cfb\u306e\u56f3\u5f62\u304c\u63cf\u3051\u307e\u3059\u3002<\/p>\n\n\n\n

\\(Func(s) = abs(sin(16\u03c0s))\\)<\/p>\n\n\n\n

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

angle\u306f \u5404xy\u5ea7\u6a19\u3092\u5024\u3068\u3057\u3066\u53d7\u3051\u53d6\u308a\u3001 \u539f\u70b9\u3068\u306e\u89d2\u5ea6\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002
\u51fa\u529b\u306e\u7bc4\u56f2\u306f \\( 0.0\uff5e2\u03c0 \\)\u3067\u3059\u3002<\/p>\n\n\n\n

\\(Angle(x,y)=\\\\
\u3000cos^{-1}(\\frac{x}{\\sqrt{x^2+y^2} })\u3000(if\u3000y \u2267 0)\\\\
Angle(x,y)=\\\\
\u3000cos^{-1}(\\frac{-x}{\\sqrt{x^2+y^2} })+\u03c0\u3000(if\u3000y < 0)\\) <\/p>\n\n\n\n

\u30b0\u30eb\u30fc\u30d7\u30ce\u30fc\u30c9\u3068\u51fa\u529b\u3092 \\( 2\u03c0 \\)\u3067\u9664\u3057\u3066\u753b\u50cf\u51fa\u529b\u3057\u305f\u4f8b\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002 <\/p>\n\n\n\n

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

\u540c\u3058\u89d2\u5ea6\u3067\u3042\u308c\u3070\u540c\u3058\u5024\u306b\u306a\u308a\u3001\u53cd\u6642\u8a08\u56de\u308a\u306b\u5024\u304c\u5897\u52a0\u3057\u3066\u3086\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

\u5f8c\u306f\u3082\u3046\u4e00\u3064\u306e\u30ce\u30fc\u30c9\u30b0\u30eb\u30fc\u30d7func1\u306b\u9069\u5f53\u306a\u95a2\u6570\u3092\u8a18\u8ff0\u3059\u308c\u3070\u826f\u3044\u308f\u3051\u3067\u3059\u3002<\/p>\n\n\n\n

<\/p>\n\n\n\n

\\(func1(s)=abs(cos(2.5s))\\) <\/p>\n\n\n\n

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

\u95a2\u6570\u3092\u8a2d\u5b9a\u3057\u3066\u30ab\u30e9\u30fc\u30e9\u30f3\u30d7\u30ce\u30fc\u30c9\u3092\u5f04\u308c\u3070\u3001\u629c\u304d\u306e\u5165\u3063\u305f\u96c6\u4e2d\u7dda\u3082\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

\\(func1(s)=abs(cos(100s))\\) <\/p>\n\n\n\n

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

\u685c\u306e\u82b1\u3073\u3089\u3002<\/p>\n\n\n\n

\\(Func2(s) = min(\\\\
\u3000\u3000abs(cos(2.5x))+0.4 ,\\\\
\u3000\u3000abs(sin(2.5x))+1.1)\u30fb0.240\\)<\/p>\n\n\n\n

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

\u3053\u306e\u4f5c\u4f8b\u3067\u306fDistance\u7cfb\u3068Angle\u7cfb\u306f\u4e57\u7b97\u3067\u306f\u306a\u304f\u52a0\u7b97\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

fract\u30ce\u30fc\u30c9\u306e\u5165\u529b\u3092\u5909\u3048\u308b\u3053\u3068\u306b\u3088\u308a\u4efb\u610f\u306e\u7e2e\u5c0f\u7e70\u308a\u8fd4\u3057\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

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

\u6570\u5f0f\u306b\u3088\u308a\u4efb\u610f\u306e\u56f3\u5f62\u3092\u4f5c\u6210\u3057\u3001\u305d\u308c\u3092\u7e70\u308a\u8fd4\u3057\u30d1\u30bf\u30fc\u30f3\u306b\u3067\u304d\u308b\u306e\u3067\u3059\u3002<\/p>\n\n\n\n

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

\u30b7\u30a7\u30fc\u30c0\u30fc\u30ce\u30fc\u30c9\u306f\u30d7\u30ed\u30b0\u30e9\u30e0\u74b0\u5883\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001\u69d8\u3005\u306a\u56f3\u5f62\u3092\u63cf\u753b\u3067\u304d\u308b\u3068\u3053\u308d\u304c\u3068\u3066\u3082\u8208\u5473\u6df1\u3044\u3067\u3059\u3002<\/p>\n\n\n\n

\u53c2\u8003\u307e\u3067\u306bblender\u30d5\u30a1\u30a4\u30eb\u3092\u7f6e\u3044\u3066\u304a\u304d\u307e\u3059\u3002
shader_node_sample.blend<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

\u4eca\u56de\u306f\u5b8c\u5168\u306b\u81ea\u5206\u7528\u306e\u30e1\u30e2\u3067\u3059\u3002Twitter\u3092\u898b\u3066\u3044\u3066\u3001Blender\u306e\u30b7\u30a7\u30fc\u30c0\u30fc\u30ce\u30fc\u30c9\u3067\u304a\u7d75\u304b\u304d\u3057\u3066\u3044\u308b\u65b9\u304c\u3044\u3089\u3063\u3057\u3083\u3063\u305f\u306e\u3067\u8ffd\u5b9f\u9a13\u3002 Blender 2.79b\u3057\u304b\u4f7f\u3048\u306a\u3044\u306e\u3067\u30ce\u30fc\u30c9\u306f\u81ea\u4f5c\u3067\u3059\u3002 \u306a\u304a\u3001tw\u306e\u5143\u30cd\u30bf\u306f … <\/p>\n

“Blender\u306e\u30b7\u30a7\u30fc\u30c0\u30fc\u304a\u7d75\u304b\u304d” \u306e<\/span>\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":1,"featured_media":20,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-677","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-1"],"wppr_data":{"cwp_meta_box_check":"No"},"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/junk-box.net\/kuyo\/index.php\/wp-json\/wp\/v2\/posts\/677","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/junk-box.net\/kuyo\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/junk-box.net\/kuyo\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/junk-box.net\/kuyo\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/junk-box.net\/kuyo\/index.php\/wp-json\/wp\/v2\/comments?post=677"}],"version-history":[{"count":72,"href":"https:\/\/junk-box.net\/kuyo\/index.php\/wp-json\/wp\/v2\/posts\/677\/revisions"}],"predecessor-version":[{"id":768,"href":"https:\/\/junk-box.net\/kuyo\/index.php\/wp-json\/wp\/v2\/posts\/677\/revisions\/768"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/junk-box.net\/kuyo\/index.php\/wp-json\/wp\/v2\/media\/20"}],"wp:attachment":[{"href":"https:\/\/junk-box.net\/kuyo\/index.php\/wp-json\/wp\/v2\/media?parent=677"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/junk-box.net\/kuyo\/index.php\/wp-json\/wp\/v2\/categories?post=677"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/junk-box.net\/kuyo\/index.php\/wp-json\/wp\/v2\/tags?post=677"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}