Module raymarch 

A user shader for RayMarchNode exports vs_fullscreen(@builtin(vertex_index)) and fs_main(@builtin(position)) and binds RayMarchUniforms at group 0, binding 0.

Modules

scene

Emit contract, shared by the 3D and 4D paths: every baked constant goes through literal::wgsl_f32, so parsing the emitted literal recovers the exact input bits and the emitter contributes no floor to CPU/GPU parity.

Structs

BodyUniform

80 bytes, matching the kernel’s BodyUniform; the rotor packs as two vec4.

Hyperslice4DNode

Hyperslice4DUniforms

Bind group 0, binding 0; matches the kernel’s Uniforms.

RayMarchNode

RayMarchUniforms

Bind group 0, binding 0, std140: every vec3 pads to 16 bytes.

Enums

BodyKind

Written as f32; the shader reads it back as u32.

RaymarchShape

Constants

HYPERSLICE_KERNEL_WGSL

Prefixed with crate::sky_ground::SKY_GROUND_WGSL and the shared loam_projective_depth; the user’s Scene4 emit supplies loam_scene_sdf.

SHAPE_3SPHERE

SHAPE_16CELL

SHAPE_24CELL

SHAPE_120CELL

SHAPE_600CELL

SHAPE_CLIFFORD_TORUS

SHAPE_DUOCYLINDER

SHAPE_PENTATOPE

Mirrored as SHAPE_* in HYPERSLICE_KERNEL_WGSL; keep in sync.

SHAPE_SPHERINDER

SHAPE_TESSERACT

Functions

polytope4_from_shape_id

None for the smooth-surface SDFs.

polytope_extended_sdfs_wgsl

Exact signed distance inside; a conservative distance bound outside.

polytope_stub_sdfs_wgsl

Include the stubs only when neither extended polytope appears in the scene.