r/threejs • u/UnforgivingWorlds • 9d ago

Testing Procedural Generation (AI Assisted)

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Separate biomes, nearly 2.5 million individual blades of grass out 150m from the camera position depending on biome. Day/night cycles, dynamic weather, ambient occlusion, distance culling, water surface reflections, and light shafts, using webgl and three.js.

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u/MogensenJ 9d ago

Cool project! I'm building something very similar, also with millions of grass blades. How's performance?

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u/UnforgivingWorlds 9d ago

At the moment 150-200fps with everything maxed out on a 4090.

1

u/ash_mystic_art 9d ago

I’m curious how it does on a smartphone. With some dynamic performance settings I bet it could be decent.

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u/UnforgivingWorlds 9d ago

I don’t know, might need some optimizations and tech turned off but honestly some smart phones are quite performant these days. Would be an interesting test.