Retroreflective

MDL Identifier: core_definitions::retroreflective

Description: A material with a retroreflective component, works well for road signs and retroreflective stickers

Display Name	Type	Parameter	Default	Description
Color	color	diffuse_color	color(.05)	The color of the material
Reflection Color	color	reflection_color	color(0.8,0.8,0.83)	The color of the retroreflection
Roughness	float	roughness	0.15	Higher roughness values lead to bigger highlights and blurry reflections
Reflection Weight Facing	float	normal_reflectivity	0.05	Reflectivity control for geometry facing the viewer
Reflection Weight Edge	float	grazing_reflectivity	1.0	Reflectivity control for the reflectivity at geometry edges
Bumps	float3	normal	state::normal()	Attach bump or normal maps here