Optionalscale: numberScale which to apply to the gravity value retrieved from the physics sub-system.
Copies all properties defined by the prototype of ParticleGravityOptions from other to this instance.
Clones this instance and returns a new ParticleGravityOptions with identical values.
Determines if this ParticleGravityOptions instance is equal to the other instance.
StaticisDetermines if both ParticleGravityOptions instances are equal.
Structure used for initializing a ParticleGravity object.