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LightWhat

Description

A growing raytracing project that might one day render beautiful images :3

LightWhat version 0.7.2 alpha

by Robert Lindner

Acknowledgments

Using SDL2, SDL_TFF (with freetype), Assimp, devIL => find full licenses under acknowledgments.txt

While I wrote all the code myself, the structure of the Bottom Layer is heavily inspired by the Digital Arts and Entertainment GAME_ENGINE

Key bindings

  • press "L" to load a collada (.dae) file
  • press "T" to load a test scene with spheres and a plane
  • press "C" to clear the current scene
  • press "ENTER" / "RETURN" to start rendering
  • press "S" to save your result as a bitmap (.bmp)
  • press "P" to toggle between high performance mode and progress viewing mode
  • press "B" to toggle backface culling on and off
  • press "D" to display the first texture in the list, or a test texture if no images where loaded

There is also button support now 😈

How to use

Note: scenes do not clear automatically, so before you load a different scene or file, press "Clear" to clear it

  • you can try the models from the "TestFiles" folder.
  • you can also try rendering your own models by exporting them in Collada or 3Ds format.
  • you can edit the '.lwtf' file in any text editor to change render settings and camera position

About the structure of the code:

There are three layers to allow for easy changes:

  • Bottom layer: ProgramControll with Init, Tick and Paint handles an AbstractProgram and Provides Window and Painting operations via a GUI_ENGINE singleton
  • Middle layer: LightWhat base that handles a concret UserInterface and manages the renderer
  • Top layer: LWRenderer handles all Rendering tasks and provides an interface for managing it and getting the results

If you find any bugs tell me about them please

Have fun!

About

Project for my first raytracer. Trying to make it render beautiful images :3

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