Adds the specified number of new Particles to the particle system, copying the properties of the given Particle To Copy.
NOTE: The Particle Initialization Function is not called when copying from an existing particle.
Assembly: DPSF (in DPSF.dll) Version: 18.104.22.168
How many copies of the Particle To Copy to Add to the particle system.
The Particle to copy from when Adding the Particles to the Particle System. If this is null then the new Particles will be initialized using the particle system's Particle Initialization Function.
Returns how many Particles were able to be added to the particle system.