Playstation 1 came out in 1994 and for its time it was amazing how the devs had to figure out creative ways to implement lights when there was no real way of adding multiple lights to the scene which caused to be some really interesting look effects and gave the ps1 signature look
In this video i talked about a few interesting ways the devs had to fight against the limited hardware of the PS1 console and get the most out of its limited amount of ram and cpu, How the devs used Vertex coloring and Lighting to make fake lights that operate as real lights in the game world
Timestaps
0:00 - Intro
0:42 - how lights worked
2:22 - Explanation of Vertex Color/Light
3:53 - Lightmap baking
5:12 - Why vertex coloring
6:14 - Vertex Lighting on Unity
9:46 - How to get better looking lighting
10:08 - Conclusion
Here are some references and articles i found online while researching on this topic
PS1 Resolution chart - https://docs.google.com/spreadsheets/...
A forum on LLT website - https://linustechtips.com/topic/72103...
A dev Article by David Colson - https://www.david-colson.com/2021/11/...
Pushing the Hardware limits of PS1 console - resetera.com/threads/14-ps1-games-that-pushed-the-hardware-limits-and-12-ps1-games-with-the-worst-graphics.98194/