12 lines
1.4 KiB
JSON
12 lines
1.4 KiB
JSON
[
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{
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"id": "alien-core-ported",
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"name": "Alien Core (Ported)",
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"author": "glkt",
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"views": 9754,
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"likes": 256,
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"createdAt": "2026-04-01T00:00:00.000Z",
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"code": "vec3 paletteAC(float d) {\n return mix(vec3(0.2, 0.7, 0.9), vec3(1.0, 0.0, 1.0), d);\n}\n\nvec2 rotateAC(vec2 p, float a) {\n float c = cos(a);\n float s = sin(a);\n return mat2(c, -s, s, c) * p;\n}\n\nfloat mapAC(vec3 p) {\n for (int i = 0; i < 8; i++) {\n float t = iTime * 0.2;\n p.xz = rotateAC(p.xz, t);\n p.xy = rotateAC(p.xy, t * 1.89);\n p.xz = abs(p.xz) - 0.5;\n }\n return dot(sign(p), p) / 5.0;\n}\n\nvec4 raymarchAC(vec3 ro, vec3 rd) {\n float t = 0.0;\n vec3 col = vec3(0.0);\n float d = 0.0;\n for (int i = 0; i < 64; i++) {\n vec3 p = ro + rd * t;\n d = mapAC(p) * 0.5;\n if (d < 0.02 || d > 100.0) break;\n col += paletteAC(length(p) * 0.1) / (400.0 * d);\n t += d;\n }\n float alpha = 1.0 / (max(d, 0.0001) * 100.0);\n return vec4(col, alpha);\n}\n\nvoid mainImage(out vec4 fragColor, in vec2 fragCoord) {\n vec2 uv = (fragCoord - 0.5 * iResolution.xy) / iResolution.x;\n vec3 ro = vec3(0.0, 0.0, -50.0);\n ro.xz = rotateAC(ro.xz, iTime);\n\n vec3 cf = normalize(-ro);\n vec3 cs = normalize(cross(cf, vec3(0.0, 1.0, 0.0)));\n vec3 cu = normalize(cross(cf, cs));\n vec3 uuv = ro + cf * 3.0 + uv.x * cs + uv.y * cu;\n vec3 rd = normalize(uuv - ro);\n\n fragColor = raymarchAC(ro, rd);\n}"
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}
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]
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