在我们最小表面教学之后我们最经常收到的问题就是，你是如何制作肥皂泡着色器的。在本教学中我们将教授大家如何在HOUDINI的mantra与Octane中制作一个漂亮的肥皂泡着色器

By far the most frequent question we received after our minimal surfaces tutorial was “how do you build that bubble shader?”. The wait is over – in this tutorial we’ll go over how to build a plausible soap film shader in Houdini’s Mantra and Octane standalone.

After going into detail what thin film interference is (this is the main phenomenon causing those rainbow-like colors on a soap bubble), we’ll take a look at how soap films behave in real life before attempting two methods to build actual shaders based on these observations. If you’re interested in doing a soap film shader the “proper” way – there’s this brilliant paper on soap bubbles by Andrew Glassner.

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