{"id":16673,"date":"2026-01-25T09:33:44","date_gmt":"2026-01-25T00:33:44","guid":{"rendered":"http:\/\/www.gisdeveloper.co.kr\/?p=16673"},"modified":"2026-01-25T10:37:24","modified_gmt":"2026-01-25T01:37:24","slug":"tsl%ec%97%90%ec%84%9c-%eb%b2%95%ec%84%a0%eb%b2%a1%ed%84%b0%ec%99%80-%ea%b4%80%eb%a0%a8%eb%90%9c-%eb%85%b8%eb%93%9c-%ed%95%a8%ec%88%98%ec%97%90-%eb%8c%80%ed%95%9c-%ea%b3%a0%ec%b0%b0","status":"publish","type":"post","link":"http:\/\/www.gisdeveloper.co.kr\/?p=16673","title":{"rendered":"TSL\uc5d0\uc11c \ubc95\uc120\ubca1\ud130\uc640 \uad00\ub828\ub41c \ub178\ub4dc \ud568\uc218\uc5d0 \ub300\ud55c \uace0\ucc30"},"content":{"rendered":"<p>fragmentNode\uc5d0\uc11c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub294 \uc77c\ubc18\uc801\uc778 \ubc95\uc120\ubca1\ud130\ub294 normalWorld \ub178\ub4dc\uc774\ub2e4. normalWorld\uc740 \uc774\ubbf8 normalize\uac00 \ub418\uc5b4 \uc788\ub2e4. transform\uc774 \uc804\ud600 \uc774\ub904\uc9c0\uc9c0 \uc54a\uc558\uc744\uc9c0\ub77c\ub3c4 normalLocal\uc740 normalWorld\uc640 \ub2e4\ub974\uba70 normalLocal\uc744 \uc815\uaddc\ud654\ud574\uc57c \ube44\ub85c\uc368 normalWorld\uc640 \uac19\uc544\uc9c4\ub2e4. \uc989, normalWorld.sub(normalLocal)\uc740 0 \ubca1\ud130\uac00 \uc544\ub2c8\uba70 normalWorld.sub(normalLocal.normalize())\uac00 0 \ubca1\ud130\ub77c\ub294 \uac83\uc778\ub370, \uc804\uc81c \uc870\uac74\uc740 transform\uc774 \uc804\ud600 \uc774\ub904\uc9c0\uc9c0 \uc54a\uc558\uc744\ub54c\uc774\ub2e4. normalWorld\ub97c \uc9c1\uc811 \uacc4\uc0b0\ud574 \ubcf4\uba74 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"js\">\r\nconst normalView = vertexStage( modelNormalMatrix.mul( normalLocal ) );\r\n<\/pre>\n<p>vertexStage \ub178\ub4dc\ub294 vertex shader\uc5d0\uc11c varying(\ubcf4\uac04)\uc73c\ub85c fragment\ub85c \ub118\uaca8\uc900\ub2e4. varying\uc73c\ub85c \ub118\uaca8\uc92c\uace0 \ubc95\uc120\ubca1\ud130\ub294 \ub2e8\uc704\ubca1\ud130\ub85c \uc0ac\uc6a9\ub418\uc5b4\uc57c \ud558\ubbc0\ub85c \ub118\uaca8\ubc1b\uc740 fragment \uce21\uc5d0\uc11c \ubc18\ub4dc\uc2dc \uc815\uaddc\ud654\ub97c \uc2dc\ucf1c\uc57c \ud55c\ub2e4. \uc989, normalWorld\uc640 \uc9c1\uc811 \uacc4\uc0b0\ud55c normalView\uac00 \ub3d9\uc77c\ud55c \uac12\uc744 \uac00\uc9c0\ub824\uba74 normalView\ub97c \uc815\uaddc\ud654\ud574\uc57c \ud55c\ub2e4.<\/p>\n<p>\uac00\ub054 \uc2dc\uac01\ud654\ub97c \ud1b5\ud574 normal\uc758 \ub3d9\uc77c\uc131 \uc5ec\ubd80\ub97c \ud655\uc778\ud558\ub824\uace0 \ud560\ub54c\uac00 \uc788\ub2e4. \uc989, \uc544\ub798\uc758 \ucf54\ub4dc\ucc98\ub7fc \ub9d0\uc774\ub2e4.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"js\">\r\nmaterial.fragmentNode = Fn(([]) => {\r\n  const color = normalWorld.sub(normalLocal);\r\n  return vec4(color, 1);\r\n})();\r\n<\/pre>\n<p>\uacb0\uacfc\ub294 \ub9c8\uce58 normalWorld\uc640 normalLocal\uc774 \ub3d9\uc77c\ud558\uae30\ub77c\ub3c4 \ud55c\uac83\ucc98\ub7fc \uae4c\ub9e3\uac8c \ud45c\uc2dc\ub41c\ub2e4. \ud558\uc9c0\ub9cc \uc544\ub2c8\ub2e4. \uc704\uc758 \ucf54\ub4dc \uc911 normalWorld.sub(normalLocal)\uc758 \uacb0\uacfc\uac12\uc5d0 1000\uc815\ub3c4 \uacf1\ud574\uc918 \uac12\uc744 \uc99d\ud3ed\uc2dc\ucf1c \ubcf4\uba74 \ub2e4\uc74c\ucc98\ub7fc \uac12\uc5d0 \ub300\ud55c \ucc28\uc774\uac12\uc744 \ub208\uc73c\ub85c \ubcfc \uc218 \uc788\ub2e4.<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.gisdeveloper.co.kr\/wp-content\/uploads\/2026\/01\/\u1109\u1173\u110f\u1173\u1105\u1175\u11ab\u1109\u1163\u11ba-2026-01-25-09.33.14.png\" alt=\"\" width=\"600\"  class=\"aligncenter size-full wp-image-16674\" \/><\/p>\n<p>\uc250\uc774\ub354 \ud504\ub85c\uadf8\ub798\ubc0d\uc758 \ub514\ubc84\uae45\uc740 \uc774\ucc98\ub7fc \uc0ac\ub78c\uc758 \ub208\uc73c\ub85c \uc9c1\uc811 \ud655\uc778\ud558\ub294 \ubc29\ubc95 \uc774\uc678\uc5d0 \ubfb0\uc871\ud55c \uc218\uac00 \uc5c6\ub2e4\ub294 \ubb38\uc81c\uac00 \uc788\ub294\ub370, \uc704\uc640 \uac19\uc740 \uc0c1\ud669\ub3c4 \uc788\ub2e4\ub294 \uac83\uc744 \ubbf8\ub9ac \uc54c\uc544\ub450\uba74 \uc88b\uc744 \uac83\uc774\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>fragmentNode\uc5d0\uc11c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub294 \uc77c\ubc18\uc801\uc778 \ubc95\uc120\ubca1\ud130\ub294 normalWorld \ub178\ub4dc\uc774\ub2e4. normalWorld\uc740 \uc774\ubbf8 normalize\uac00 \ub418\uc5b4 \uc788\ub2e4. transform\uc774 \uc804\ud600 \uc774\ub904\uc9c0\uc9c0 \uc54a\uc558\uc744\uc9c0\ub77c\ub3c4 normalLocal\uc740 normalWorld\uc640 \ub2e4\ub974\uba70 normalLocal\uc744 \uc815\uaddc\ud654\ud574\uc57c \ube44\ub85c\uc368 normalWorld\uc640 \uac19\uc544\uc9c4\ub2e4. \uc989, normalWorld.sub(normalLocal)\uc740 0 \ubca1\ud130\uac00 \uc544\ub2c8\uba70 normalWorld.sub(normalLocal.normalize())\uac00 0 \ubca1\ud130\ub77c\ub294 \uac83\uc778\ub370, \uc804\uc81c \uc870\uac74\uc740 transform\uc774 \uc804\ud600 \uc774\ub904\uc9c0\uc9c0 \uc54a\uc558\uc744\ub54c\uc774\ub2e4. normalWorld\ub97c \uc9c1\uc811 \uacc4\uc0b0\ud574 \ubcf4\uba74 \ub2e4\uc74c\uacfc \uac19\ub2e4. const normalView = vertexStage( modelNormalMatrix.mul( normalLocal ) ); vertexStage &hellip; <\/p>\n<p class=\"link-more\"><a href=\"http:\/\/www.gisdeveloper.co.kr\/?p=16673\" class=\"more-link\">\ub354 \ubcf4\uae30<span class=\"screen-reader-text\"> &#8220;TSL\uc5d0\uc11c \ubc95\uc120\ubca1\ud130\uc640 \uad00\ub828\ub41c \ub178\ub4dc \ud568\uc218\uc5d0 \ub300\ud55c \uace0\ucc30&#8221;<\/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":[153,145,1],"tags":[],"class_list":["post-16673","post","type-post","status-publish","format-standard","hentry","category-shader","category-three-js","category-uncategorized"],"_links":{"self":[{"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/16673","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=16673"}],"version-history":[{"count":4,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/16673\/revisions"}],"predecessor-version":[{"id":16679,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/16673\/revisions\/16679"}],"wp:attachment":[{"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=16673"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=16673"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.gisdeveloper.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=16673"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}