Stopwatch¶

Overview¶

Stopwatch is the model for the stopwatch. It is responsible for time, position, and visibility.

@author Chris Malley (PixelZoom, Inc.)

Class Stopwatch¶

import { Stopwatch } from 'scenerystack/scenery-phet';

Constructor¶

new Stopwatch( providedOptions? : StopwatchOptions )¶

Instance Methods¶

dispose()¶

reset()¶

step( dt : number )¶

Steps the stopwatch. @param dt - time delta, in units as specified by the client

setTime( t : number )¶

Similar to step() but sets the time to a specific value. @param t

Instance Properties¶

positionProperty : Property<Vector2>¶

(readonly)

position of the stopwatch, in view coordinates

isVisibleProperty : Property<boolean>¶

(readonly)

whether the stopwatch is visible

isRunningProperty : Property<boolean>¶

(readonly)

whether the stopwatch is running

timeProperty : NumberProperty¶

(readonly)

time displayed on the stopwatch, in units as specified by the client

Static Properties¶

ZERO_TO_ALMOST_SIXTY : Range¶

(readonly)

Type StopwatchOptions¶

import type { StopwatchOptions } from 'scenerystack/scenery-phet';

• position?: Vector2
• isVisible?: boolean
• timePropertyOptions?: StrictOmit<NumberPropertyOptions, "tandem">
• & PhetioObjectOptions

Source Code¶

See the source for Stopwatch.ts in the scenery-phet repository.