How to use simulation results in custom game engines

Am I right that in an actual game we should place frames from a flipbook on one billboard? Then where can I read how to do all the fancy lighting to make it fit the scene (and not look like it’s straight from 1993)? Thank you (Sorry, I am a real novice. I just expected the output as hundreds or thousands of billboard-particles so it would look 3D from any position)

You spawn billboards/sprites via particle systems in your game and then put the texture on said billboards.

See this: https://www.youtube.com/watch?v=Tx-vL1TF4XA

And see this: https://www.youtube.com/watch?v=kEPTMAOarUU

All modern games use this same exact technique, so it won’t look like it’s from 1993 if you do it right.

Thank you, I thought EmberGen is a replacement for a sophisticated particle system, but they complement each other, got it!

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Using frames from a flipbook on a billboard is indeed a common technique, and it’s great that you’re thinking about how to integrate it into your game. When it comes to lighting and ensuring your game looks modern and polished, there are plenty of resources available online to help guide you through the process.
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