Snow Puddles

This filter turns noise into snow patches. Snow is applied according to an object's slope and altitude.

The a variable controls how much the noise interferes with the smoothness of the snow.

When a=0 the noise doesn't interfere at all so the snow is perfectly smooth.

When the a value is higher, the snow starts looking like the noise. The b variable shifts the altitude or snow level. It sets where the snow begins. The c variable controls how steep an object has to be before the snow appears on its surface. The higher the number, the flatter an object has to be before snow appears on its surface.

In these examples, Snow Puddles was applied to RND Continuous noise and then to objects in a scene. The a, b, and c variables are varied to show how different values affect the material.

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