From 9ee410594a52cbc699b13de2bde4860d70c959a3 Mon Sep 17 00:00:00 2001 From: skal Date: Sat, 28 Feb 2026 09:08:57 +0100 Subject: refactor: move common/shaders/ to src/shaders/ Relocates shared WGSL shaders under src/ where all source code lives, eliminating the top-level common/ directory. - Update asset references in workspaces/main/assets.txt and workspaces/test/assets.txt - Update docs: PROJECT_CONTEXT.md, ARCHITECTURE.md, WORKSPACE_SYSTEM.md, SHADER_REUSE_INVESTIGATION.md Co-Authored-By: Claude Sonnet 4.6 --- src/shaders/lighting.wgsl | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 src/shaders/lighting.wgsl (limited to 'src/shaders/lighting.wgsl') diff --git a/src/shaders/lighting.wgsl b/src/shaders/lighting.wgsl new file mode 100644 index 0000000..fd92c1a --- /dev/null +++ b/src/shaders/lighting.wgsl @@ -0,0 +1,24 @@ +fn get_normal_basic(p: vec3f, obj_params: vec4f) -> vec3f { + let obj_type = obj_params.x; + if (obj_type == 1.0) { return normalize(p); } + let e = vec2f(0.001, 0.0); + return normalize(vec3f( + get_dist(p + e.xyy, obj_params) - get_dist(p - e.xyy, obj_params), + get_dist(p + e.yxy, obj_params) - get_dist(p - e.yxy, obj_params), + get_dist(p + e.yyx, obj_params) - get_dist(p - e.yyx, obj_params) + )); +} + +fn calc_shadow(ro: vec3f, rd: vec3f, tmin: f32, tmax: f32, skip_idx: u32) -> f32 { + var res = 1.0; + var t = tmin; + if (t < 0.05) { t = 0.05; } + for (var i = 0; i < 32; i = i + 1) { + let h = map_scene(ro + rd * t, skip_idx); + if (h < 0.001) { return 0.0; } + res = min(res, 16.0 * h / t); + t = t + clamp(h, 0.02, 0.4); + if (t > tmax) { break; } + } + return clamp(res, 0.0, 1.0); +} -- cgit v1.2.3