read, write, edit and animation test.

zig-0.13

> zig build
> zig build run -- some.vrm

• glTF-2.0
• bvh
• fbx

• KHR_draco_mesh_compression
• KHR_lights_punctual
• KHR_materials_clearcoat
• KHR_materials_emissive_strength
• KHR_materials_ior
• KHR_materials_iridescence
• KHR_materials_sheen
• KHR_materials_specular
• KHR_materials_transmission
• KHR_materials_unlit
• KHR_materials_variants
• KHR_materials_volume
• KHR_mesh_quantization
• KHR_texture_basisu
• KHR_texture_transform
• KHR_xmp_json_ld
• VRM
• VRMC_vrm
• VRMC_springBone
• VRMC_node_constraint
• VRMC_materials_mtoon
• VRMC_vrm_animation

        +------------+
        | Renderer   |
        +------------+
  drawlilst ^
            |
        +------------+
        |libvrm scene| <- Skinning/MorphTarget/Pose/Animation
        +------------+
     import ^|
            |v export
        +--------+
        |gltfjson| <- json dom tree: ImGui Edit
        +--------+
deserialize ^|
            |v serialize
        gltf/glb

• read / write vrm-0.x & 1.0

• edit all json node

• fbx import
• vrma export
• motion merge
• pbr material
• mtoon material
• keyframe edit

• imgui
  • ImGuizmo
  • ImGuiFileDialog
  • ImNodes
• glfw3
• glew
• DirectXMath
• lua-jit
• stb
• IconFontCppHeaders
• asio
• simplefilewatcher
• plog

• googletest

• PBR: https://github.com/JoeyDeVries/LearnOpenGL/tree/master/src/6.pbr/2.2.2.ibl_specular_textured
• PBR/Unlit: https://github.com/KhronosGroup/glTF-Sample-Viewer
• MToon: https://github.com/pixiv/three-vrm
  • depends: https://github.com/mrdoob/three.js/tree/r150 (r150 required)

• gltfjson (JSON utility)
• grapho (OpenGL/Imgui wrapper)
• cuber (bone draw helper)

# msvc17
$ meson setup builddir -Dcpp_std=c++latest -Dexecutable=true
$ meson compile -C builddir

# clang16 on Ubuntu22.04
$ meson setup builddir -Dcpp_std=c++2b -Dexecutable=true
$ meson compile -C builddir

• formatter clang-format: mozilla
• class, struct name PascalCase => camelCase. conflict public member name
• free function: lower_snake
• non public memver function: lower_snake

Naming conventions for variables with a wider scope than local variables.

• local variable: camelCase
• public member: PascalCase
• non public member variable: prefix m_
• static variable: prefix s_
• global variable: prefix g_
• const, enum value: UPPER_SNAKE
• enum class value: Pascal

node & morphtarget

animation / springbone / constraint

udp / bvh

boneskinning

mesh / skinning / deformed_mesh

• libvrm (Node hierarchy / BaseMesh)
• libvrm::vrm (Humanoid, Expression, SpringBone, Constraint, LookAt)
• libvrm::vrma
• libvrm::bvh
• libvrm::runtime (NodeAnimation, MorphTarget, Skinning)
• libvrm::serialization (Udp pose)

vrmeditor.xml

Product{Version=} を更新する