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