Hi 3DArtist, this is one of the big challenges for 3D and CG artist, how to recreate the intricate swirls on the surface of a soap bubble in rendering?

How to render nice soap bubbles in 3d?

In this video tutorial, Moritz Schwind from Entagma will shed light on what it takes to set up a fast FLIP sim resulting in high detailed swirls in Houdini.

Bubbles Again: Simulating Soap Swirls Using FLIP

00:00 – Intro
00:26 – Basic Houdini Setup
01:34 – Preventing UV Seam Errors
02:34 – Creating Initial Particles
04:07 – Setting Up The FLIP Sim
04:37 – Linking Particle Separation
05:12 – Tweaking Sim Parameters
07:45 – Adding Forces To Stir It Up
08:32 – Using VOP Functions in VEX
09:37 – Creating Noise Input Parameters
10:55 – Creating Curl Noise
11:54 – Creating Force Perpendicular to The Bubble’s Surface
14:40 – Testing It
15:13 – Transferring Sim To Bubble
16:16 – Adding Gravity Effects To Bubble’s Wall
18:53 – Distorting The Bubble
19:33 – Setting Up Rendering In Octane
21:48 – Shading The Bubble
23:46 – Image Texture As Bubble Detail
26:21 – Noise As Bubble Detail
27:54 – Adding More Detail (Gradient Trick)
29:13 – Infamous Last Words

  • Download Project Files (.zip):

Bubbles Again: Simulating Soap Swirls Using FLIP

Article Comments