System
Runs a scheduled ECS callback from a script instance.
See System for the associated instance class.
Behavior
System.define creates scheduling options and a callback for a System instance.
See Systems and scheduling for placement and phase rules.
Fields
define
System.define(options, run) returns a SystemDefinition. The source of a System instance must return that value. run(dt) receives elapsed seconds. Options are phase, after, before, sets, parallel, and interval. See Systems and scheduling for defaults, phases, placement, and failure conditions.