skyLightContrib

skyLightContrib

material
skyLightContrib
RayTK
v0.39

A material element that acts as a basic pseudo directional light.

It applies lighting based on the direction that surfaces are facing. Unlike the main lighting system, it does not support shadows or other lighting behavior. It is a cheap way to add some secondary coloration to surfaces.

It is equivalent to the sky lighting feature in basicMat.

Parameters

Name Description Regular Handling Read-Only Handling
Color Runtime Baked
Level Runtime Baked
Direction

The direction from which the “light” comes from.

Runtime Baked
Use Color

Whether to produce color or just a brightness value.

Rotate Runtime Baked

Inputs

  • Direction Field: (optional)
    • Coordinate Types: float vec2 vec3 vec4
    • Context Types: MaterialContext
    • Return Types: float vec4
  • Rotate Field: (optional)
    • Coordinate Types: float vec2 vec3 vec4
    • Context Types: MaterialContext
    • Return Types: float vec4
    • Supports Variables From Inputs: directionField
  • Color Field: (optional)
    • Coordinate Types: float vec2 vec3 vec4
    • Context Types: MaterialContext
    • Return Types: float vec4
    • Supports Variables From Inputs: directionField rotateField