As well as the settings that are common to all lights, the Mesh Light also has the following input.
It is not currently possible to make a mesh light visible to camera rays. A workaround is to add Emission to a Standard Surface shader assigned to the object. This will give the impression that the geometry is incandescent. You should also set the Base Weight and Specular Weight to 0 and the object's visibility flags should be set to invisible in diffuse/specular. |
Shows the RGB Color parameter.
Shows the Color Texture parameter. An image map can be assigned here to texture the mesh light.
Mesh light with texture assigned |
Shows the Color Shader parameter with the path of a vopnet that is contained inside the mesh light for convenience.
A shader and images network can be added inside this vopnet and connected to the the color parameter of the Light Output.
Mesh Light vs Emission |