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Shapes with live settings, shape editing, knife and hole tools, drawing shapes onto other objects, combining objects (add / subtract / overlap), copies, thickness, painting with stickers and layers, a Layout tab, a Print tab with checks, packed .fry files with autosave, export to GLB, glTF, FBX, OBJ, 3MF, STL and PLY, folders in Layers, its own crash screen, and a website for GitHub Pages in docs/. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01NMSrd5oe1GpUD7E6d825KP
16 lines
705 B
GLSL
16 lines
705 B
GLSL
#ifndef KEEL_SKY_GLSL
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#define KEEL_SKY_GLSL
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// The sky (.ksky, engine/asset/ksky.h): equirectangular RGBM; level k is the sky as a surface
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// of roughness k / top reflects it.
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const float kSkyRange = 16.0;
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// Radiance from direction `dir` (world space). yaw turns the photo so its sun lines up with
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// the map's.
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vec3 skyRadiance(uint tex, float intensity, float yaw, vec3 dir, float level) {
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float c = cos(yaw), s = sin(yaw);
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dir = vec3(c * dir.x + s * dir.y, -s * dir.x + c * dir.y, dir.z);
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vec2 uv = vec2(atan(dir.y, dir.x) * 0.15915494 + 0.5, acos(clamp(dir.z, -1.0, 1.0)) * 0.31830989);
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vec4 m = sampleTexLod(tex, uv, level);
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return m.rgb * m.a * kSkyRange * intensity;
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}
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#endif
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