pxt-calliope/libs/core/loops.ts
2021-11-25 17:27:39 +01:00

38 lines
1.4 KiB
TypeScript

namespace loops {
/**
* Repeats the code forever in the background.
* After each iteration, allows other codes to run for a set duration
* so that it runs on a timer
* @param interval time (in ms) to wait between each iteration of the action.
* @param body code to execute
*/
//% weight=45 blockAllowMultiple=1
//% interval.shadow=longTimePicker
//% afterOnStart=true help=loops/every-interval
//% blockId=every_interval block="every $interval ms"
export function everyInterval(interval: number, a: () => void): void {
control.runInParallel(() => {
let start = 0;
let now = 0;
while (true) {
start = control.millis();
a();
now = control.millis();
pause(Math.max(0, interval - (now - start)));
}
});
}
/**
* Get the time field editor
* @param ms time duration in milliseconds, eg: 500, 1000
*/
//% blockId=longTimePicker block="%ms"
//% blockHidden=true shim=TD_ID
//% colorSecondary="#FFFFFF"
//% ms.fieldEditor="numberdropdown" ms.fieldOptions.decompileLiterals=true
//% ms.fieldOptions.data='[["100 ms", 100], ["200 ms", 200], ["500 ms", 500], ["1 second", 1000], ["1 minute", 60000], ["1 hour", 3600000]]'
export function __timePicker(ms: number): number {
return ms;
}
}