GLTFPart

Make a part, as the loader does for each primitive

The material's base color, to draw the mesh tinted with

The material's emissive map, or a white texture when it has an emissiveFactor and no texture, so it glows all over

The emissiveFactor, which multiplies the emissive map

The geometry in model space, the node transforms applied, with the vertex colors the file had; a node resting at scale 0 is applied at scale 1 there, so an animation can grow it from nothing

The node's name, or its mesh's

The node it came from, which an animation moves it with

The material's normal map, drawn with the base color texture's uvs

The normal map's strength, its scale in the file

Its texture's sampler asks for nearest filtering, hard edged pixels, as pixel art and voxel tools export; the object createObject makes draws it pixelated

The material's roughnessFactor, 0 a mirror to 1 matte, 1 when it has none as the format says; the object createObject makes takes it as its roughness, which sets its shininess

For a skinned mesh, what bends it: mesh is its resting pose, and the object createObject makes bends a copy of its own to each pose

The material's base color texture, undefined without one or without WebGL

The material blends or is glass, so the part belongs in the transparent stage

The material is unlit (KHR_materials_unlit), its own color with no shading; the object createObject makes draws it with emissive 1