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Call init() before using beatsPerMinute.

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This commit is contained in:
Shigeru KANEMOTO 2016-08-18 22:19:03 +09:00
parent 2cc0523f9a
commit b24b65abcd
1 changed files with 1 additions and 0 deletions
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libs/microbit/music.ts
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@ -162,6 +162,7 @@ namespace music {
//% help=music/change-tempo weight=39 //% help=music/change-tempo weight=39
//% blockId=device_change_tempo block="change tempo by (bpm)|%value" blockGap=8 //% blockId=device_change_tempo block="change tempo by (bpm)|%value" blockGap=8
export function changeTempoBy(bpm: number): void { export function changeTempoBy(bpm: number): void {
init();
setTempo(beatsPerMinute + bpm); setTempo(beatsPerMinute + bpm);
} }