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Procedural Gas Giant Rings

Gas Giant Ring

Inner and Outer Radius control the shape of the ring.

Lighting Override

You can adjust properties to control the way light interacts with the object.

Light Override Properties

  • LightFalloffSharpness is a value that sits at a default of 0 for a Lit object, and increasing it makes the transition from light to dark when the directional light changes rotation sharper.
  • MinBrightnessLevel determines how dark the ring gets when the light faces away from it.
  • MinShadowBrightnessLevel determines how dark the ring gets when it is in the shadow of another object.

Two Sided Lighting

Consider the following situation with the light hitting the asteroid ring on the opposite side of the viewer:

Light Hits Opposite Ring

The ring is unlit - very dark - the light value determined by the MinBrightnessLevel property.

But with TwoSidedLighting enabled, we get the absolute lighting value - thereby making it look as if the ring is illuminated from below.

Two Sided Lighting

Advanced Effects

You can use two asteroid rings on the same parent gas giant to get a more varied effect:

Gas Giant with Two Rings

The ring is composed of two overlapping asteroid ring meshes, with the inner ring's outer radius slightly smaller than the outer ring's inner radius.