Open Source Three.js VFX Sandbox: Pure Hand-Written GLSL for GPU Particles

majidmanzarpour · x · 2026-08-11

Developer @chirovisuals released an open-source Elemental Sandbox built with Three.js, featuring 6 fully customizable visual effects.

The standout feature is that all visuals are entirely code-generated, without relying on any textures, sprite sheets, or baked meshes. The implementation leverages hand-written GLSL shaders, GPU-simulated instanced particles, and resolves world positions directly in vertex shaders, demonstrating high-level graphics programming techniques.

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