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nkanaev / tipsy Public

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tiny playstationy renderer

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tipsy building usage credits

readme.md

 tipsy

tipsy (tiny playstationy) is a PS1-like software renderer written in
~500 lines of C99.
Features all the charm of the original PS1, like:

  * low resolution display (320x240)
  * no texture filtering (pixelated textures)
  * affine texture mapping (warped textures)
  * no anti-aliasing (chunky edges)
  * lack of subpixel rasterization (polygon jittering/wobble)
  * old shading techniques (flat & Gouraud)

demo.mp4

 building

Building requires C99 compiler & OpenGL (see makefile).

The project should compile on:

  * Linux (tested on Ubuntu 20.04)
  * MacOS (tested on Monterey)
  * Windows (untested)

Get the source & run:

make

 usage

./tipsy path/to/wavefront.obj

Hold down the left mouse button and drag to rotate.

Keybindings:

  * Left/Right: rotate horizontally
  * Up/Down: rotate vertically
  * W: toggle wireframe drawing
  * Z: toggle z-buffering
  * P: toggle perspective correct texture mapping (default = off)
  * C: toggle back/front face culling (default = back)
  * J: toggle jittering (default = on)
  * F: toggle vertical flip
  * R: reset model position
  * 1: switch off shading (default)
  * 2: switch to flat shading
  * 3: switch to gouraud shading

 credits

  * Building a PS1 style retro 3D renderer article by David Colson.
    Polygon jittering imitation technique was taken from there.
  * Playstation Architecture article by Rodrigo Copetti.
    Provides a good overview of the PSX architecture.
  * gel by Gustav Louw. Similar project with the same spirit.
  * tigr by Erik Agsjo. The graphics library the project relies on.

About

tiny playstationy renderer

Resources

Readme

License

MIT license

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112 stars

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Packages 0

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Languages

  * C 99.8%
  * Makefile 0.2%

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