Diurnal

Diurnal is a CPU Raytraced game where you take advantage of the fact that the time of day is in your control.

This project was made in 8 weeks for Block C for the Year 1 Programming track at Breda University of Applied Sciences.

Requirements

Running this game smoothly requires a good CPU.

Controls

[WASD] Movement

[MOUSE] Look around

[Q] Move daytime backward

[E] Move daytime forward

[TAB] Volume edit

[ESC] Quit

Credit

The game uses a base template, as well as an external library by Jacco Bikker:

Tmpl8RT: https://github.com/jbikker/tmpl8rt_2025

tinybvh: https://github.com/jbikker/tinybvh

Hedge by CrownOfThorns:

https://sketchfab.com/3d-models/hedge-0c440d4b244746eda28b0f6e881e31eb

Door by VENIKAMEN :

https://sketchfab.com/3d-models/door-74d956efa44e430785a247e34c9ef599

Podium 1 by LilyFawkz:

https://sketchfab.com/3d-models/blossom-podium-1c203b7a27f647398c3039def3880f46

Podium 2 by Jochon: 

https://sketchfab.com/3d-models/podium-large-e5a3e5b47a024d0c83c367508629d660

Cordon by FFeller:

https://sketchfab.com/3d-models/welded-cordon-0241f866b4be4210a093f0cbd05636a1

Moon symbol by sergeilihandristov:

https://sketchfab.com/3d-models/moon-knights-boomerang-low-poly-f70c7ef4677849fc...

Blackboard by Dandi8:

https://sketchfab.com/3d-models/blackboard-8wWnZz0SjaomRC9rVOSzMdrOaTV

Building by Nicolai Kilstrup:

https://sketchfab.com/3d-models/building-brutalist-tricorner-a0923ae832474539bc856a8c6d3acc00

Helicopter by WH1T3_No1SE:

https://sketchfab.com/3d-models/ah250-krogulec-7db68ee0eb1f4f25a801976b2b4cf5e2

Music and assets from ULTRAKILL.

SFX from freesounds.org