GiraffeRender -- A Metal Render

A 3D scene render using MetalKit, Model I/O, SIMD and Swift5.0

Goal

View

Scene ref ✔️
Playing action
Snapshot

Scene

Tree
Point Of View ✔️

Renderer

Draw Scene ✔️
Draw Node ✔️
Update projection matrix ✔️
Draw mesh ✔️
Basic texture ✔️
Triple buffering ✔️

Lighting

Ambient ✔️
Omni ✔️
Spot ✔️
Directional ✔️
Light maps
- Specular ✔️
- Diffuse ✔️
- Normal ✔️
- Albedo ✔️
- Roughness ✔️
Multiple lights
Advanced
- Gamma correction ✔️
- Shadows ✔️
- HDR ✔️
- SSAO
- Deferred shading
- Bloom
- Parallax mapping
PBR ✔️

Camera

Perspective ✔️
Orthographic
zFar ✔️
zNear ✔️
FOV ✔️

Node

Translation ✔️
Rotation ✔️
- EulerAngles ✔️
- Quaternion
- Rotation matrix
Scale ✔️
Transform ✔️
World Transform
Pivot(vector) ✔️
Pivot(matrix)

Geometry

Basic geo(MDLMesh) ✔️
- Box
- Sphere
- Hemisphere
- Cylinder
- Capsule
- Cone
- Plane
Obj ✔️
Multi-submeshes ✔️

References

OpenGL Tutorial: https://learnopengl.com
Metal Shader: https://developer.apple.com/metal/Metal-Shading-Language-Specification.pdf
Metal Official: https://developer.apple.com/documentation/metal
Metal Examples: http://metalbyexample.com