LightWave 2018

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The Primitive Light, new to LightWave 2018, takes the form of the object you ascribe it to. The light has no representation in OpenGL whether attached to a primitive or not.

The light can simply emanate from geometry or the Sample Surface option can be used to take into account the geometry's surfacing. If you use sampled surfaces, the light color and intensity act as a multiplier for the object's luminous intensity and color surfacing

Mangalore warrior, resurfaced with PBSDF and a Primitive light collar

FFX Primitive light

When using FiberFX for Primitive lights, turning off Normalize is usually required