From the course: V-Ray 3.0 for 3ds Max Essential Training

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Caustic effect setup

Caustic effect setup

From the course: V-Ray 3.0 for 3ds Max Essential Training

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Caustic effect setup

- Caustic lighting effects can be seen pretty much everywhere in the world around us. In fact oftentimes, they become such a familiar and expected sight we don't always notice that they are there. For instance, not many of us take the time to stand and watch as focused light patterns create quite dazzling light display as we fill a bathtub for instance and yet caustics are there because they're just a part of the natural way in which light behaves. Of course this naturally occurring real world lighting effect doesn't show up by default inside a CG lighting setup. Typically speaking, we have to deliberately enable caustics and then work with a distinct set of controls in order to tweak and tune the effect, which of course is exactly what we're going to be doing in this exercise. What we have in our test scene here essentially are the building blocks from which we can create a caustic lighting effect. We have a strong directional light source in the form of a V-Ray sun. We have a few…

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