VNgen effects are a very special type of entity. They are functionally very similar to animations performed on other entities, only effects are completely independent and execute arbitrary code instead. This code is executed in the Draw Event, making effects suitable for a variety of visual and experiential tasks (rather than general programming tasks).
Effects are displayed beneath textboxes and above all other entities, and are not affected by the global perspective.
See Effects for a list of included effect scripts and how to make your own. In this section, we'll examine how to perform and terminate effects.