QuickRender

A small, SDL2 based software renderer for 3D models

Running

Currently this application is only tested on macOS (10.14+)

$ ./compile.sh
$ ./Build/QuickRender <obj-file>

Dependencies

This program relies on SDL2.Framework to be installed on the system

Keyboard Controls

Key	Action
W	Rotate -roll
S	Rotate roll
A	Rotate -pitch
D	Rotate pitch
Q	Rotate -yaw
E	Rotate yaw
1	Wireframe Mode
2	Flat Shading Mode
3	Gouraud Shading Mode
4	Phong Shading Mode
5	Toon Shading Mode

Shading Modes

Wireframe

Flat Shading

Gouraud Shading

Phong Shading

Toon Shading

Examples

sphere.mov

teddy_light.mov

teapot_light.mov

Caveats

• Quaternion rotation flip issue
• No zooming in/out when viewing models
• Shading is interpolation only, does not include any illumination model
  • Illumination models would only be added in conjunction with .mtl file parsing
• No texture support

Resources

• Learn OpenGL
• scratchapixel
• How To Open A Black Box
• Handmade Hero
• raviramamoorthi
• Wavefront .obj Reference