timer_event_periodic

Timer raising an event at a fixed period (spawn objects regularly).

Derives from: timer_basic

Fields and methods

Members of the struct timer_event_periodic. Most of what you do with a CGP type goes through the free functions listed below.

`bool event`	True only after an update() during which event_period elapsed since the previous event, false otherwise.
`float t_periodic`	Time in seconds accumulated since the last event, reset when it reaches event_period.
`float event_period`	Time in seconds between two events, 1 by default.

`timer_event_periodic(float event_period = 1.0f)`	Builds a running timer that raises event every event_period seconds (1 by default). src
`float update()`	Advances t as timer_basic::update(), adds the step to t_periodic and sets event to true if t_periodic reaches event_period (then subtracts event_period, or resets it to 0 if several periods elapsed), and returns the time step. src

Inherited from timer_basic (4 members)

`float t`	Accumulated time in seconds, multiplied by scale, 0 until the second update().
`float scale`	Multiplier applied to the elapsed real time (1 by default; larger values accelerate the animation).

`void start()`	Resumes the timer, measuring the next time step from now (the time spent stopped is not counted). src
`void stop()`	Pauses the timer; update() then returns 0 and t stays constant. src

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