Constructor of opacity updater
The container to manage
Init a single particle opacity
The particle to process
Checks if opacity updater is enabled
The particle to process
true if opacity updater is enabled, false otherwise
Loads the opacity options
The options to handle
The sources
Resets the opacity of a particle
The particle to process
Update function of the opacity updater
The particle to process
The delta time
The opacity updater, it manages the opacity on each particle