Interactive 2D Fluid Simulations in Unreal

on YouTube ↗25m

" summary

Shows a full, working pipeline inside UE4 that writes materials to Render Targets and drives a 2D fluid sim entirely with Blueprint visual scripting. Steps: bake a material to a render target, stamp a procedural brush as a painting tool, then combine those with ping-ponging between two render targets to simulate ripples that dissipate. Uses HDR and “allow negative emissive” for bidirectional wave data, creates dynamic material instances, updates normals and mesh displacement in real time.

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" chapters (4)

1. 0:00Start
2. 0:14Overview
3. 1:48What is a Render Target
4. 7:23Drawing a Material to a Render Target

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