Random Wind Generator

Generates wind using random values. RandomWindGenerator is a global
script and needs to be added to the scene only once.
- Strength - wind magnitude in m/s. Value will oscillate between
TargetStrength-Strength VariationandTargetStrength+StrengthVariationwithStrengthVariationSpeed. - Direction - direction of the wind as a normalized vector. Refers to
the world coordinates. Value will spherically oscillate around
TargetDirectionbyDirectionVariation.
Inherits from WindGeneratorBase. Custom wind generators can be added
by inheriting from that base class. See Wind for more information about wind systems.