Linearly interpolates the Particle's Transparency to fade in based on the Particle's Normalized Elapsed Time.
If you are also updating the Particle Color using an EveryTime Event, be sure to set the ExecutionOrder of the event calling this function to be greater than that one, so that this function is called AFTER the color update function.
Assembly: DPSF (in DPSF.dll) Version: 188.8.131.52
The Particle to update
How long it has been since the last update
DPSFDefaultBaseParticleSystem<(Of <(<'Particle, Vertex>)>)> Class
DPSFDefaultBaseParticleSystem<(Of <(<'Particle, Vertex>)>)> Members