更新: | 2024-05-20 |
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作者: | @voluntas |
バージョン: | 2024.1 |
URL: | https://voluntas.github.io/ |
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// @zozuar さんのシェーダーが凄すぎたのでコードリーディング | |
// https://twitter.com/zozuar/status/1441384708441456651 | |
float i, // レイマーチングのループカウンター | |
e, // ボリュームの密度(値が小さいほど密度が濃くなる) | |
s, // fbmのループカウンター | |
g, // レイの進んだ距離(カメラのパースのためにも利用) | |
k = .01;// 0.01の定数 | |
// レイマーチングのループ |
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// This is Twigl's "geekest mode" so the code runs inside a "main" function. | |
// FC.xy is fragcoord | |
// r.xy is resolution | |
// t is time (in seconds I think) | |
// o.rgba is output color | |
// This is the original code, before any readability improvements: | |
/* | |
#define X(S,D)I=ivec3(S);D=fract(float(I.x^I.y^I.z)*PI |