@returns whether an entity should continue to exist even if it doesn't exist in in simulation state being load in.

Glossiness calculation by Dimitar Lazarov, used in Call of Duty: Black Ops 2. Used by fresnelSchlickRoughness()

Converts from Blinn-Phong 'shininess' (specular exponent) to Beckmann roughness From http://simonstechblog.blogspot.com/2011/12/microfacet-brdf.html

Evaluates the lateral variation in wake foam amount. @param s is normalized lateral distance from wake center [0, 1].

@return inclusive bounds