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renderust

★ 26 Open GitHub ↗

Simple graphics engine capable of rendering wavefront .obj files

// repository documentation

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# renderust

OpenGL-like renderer written from scratch in Rust.  
Based on this guide: [tinyrenderer](https://github.com/ssloy/tinyrenderer/wiki/Lesson-0:-getting-started).

Triangle rasterization is done using [scanline method](https://en.wikipedia.org/wiki/Scanline_rendering).

### Controls

[1] — toggle normal map
    [2] — toggle specular light
    [3] — toggle glow map
    [4] — toggle self shadow
    [5] — toggle ambient occlusion
    [R] — toggle light spin

[WASD / Space / Shift] — move model
    [LMB] — rotate model
    [Scroll] — zoom camera

[Ctrl+S] — save image (to ./output.bmp)

## Demo

<details> <summary>Diablo</summary>

Without effects  
<img src="./demo/output_clear.png" width="512px"><img/>  
With effects (normal maps, specular light, self shadowing, glow map, ambient occlusion)  
<img src="./demo/output_effects.png" width="512px"><img/>  
Self shadows from two lights (which are directed top-down and back-forward)  
<img src="./demo/output_shadow.png" width="512px"><img/></details>

<details> <summary>More pictures</summary>

<details> <summary>Video</summary>

renderust

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