Unity Water Caustics 🌊, Ubisoft FPS AI 🤖, UE5 Lighting 💡
Feb 7, 2026
🌊 Sharpen Your Unity Game Feel
Making Unity Water Feel Alive: Interactive Caustics with Ray Marching
Ashen One HP’s HPWater shader shows how far you can push water in Unity, adding interactive caustics that react believably to touch and falling objects. The effect uses cascaded Depth/Normal GBuffers, ray marching, and Atomic Add operations, followed by denoising, mipmap generation, absorption, and chromatic dispersion for extra realism. It’s a great reference if you’re exploring advanced water rendering. The piece also points to KWS2 Dynamic...