From Test-Scratch-Wiki

This eng is about the block. For more information on the value this block reports, see Tempo (value).

2.0 Tempo.png
Category Sound
Type Reporter
Introduced in 1.2

The Tempo block is a Sound block and a Reporter block. The block holds the Scratch project's tempo. This block can be displayed as a Stage monitor.

Example Uses

As this block holds how long drums and notes will be played, it is useful in music projects where they must sense how long an instrument will be playing.

Some common uses for the Tempo block:

  • Speed controls on projects that play music made with the Sound blocks
when gf clicked
  if <mouse down?> then
    point towards [mouse-pointer v]
    set tempo to (((direction) mod (181)) + (20)) bpm 
    set [universal tempo v] to (tempo)
  • Loops that must stop once the tempo is at a certain amount
repeat until <(tempo) = [20]>
  change tempo by (-1)
  • Sensing how fast something is being played
when gf clicked
  say (tempo)
  point in direction (tempo)
  • Synchronizing with notes with adjustable tempo
when gf clicked
ask [Tempo?] and wait
set tempo to (answer) bpm
play note (60) for (1) beats
play note (62) for (1) beats
play note (63) for (1) beats

when gf clicked
wait until <not <(answer) = []>>
say [C] for ((60) / (tempo)) secs
say [D] for ((60) / (tempo)) secs
say [E!] for ((60) / (tempo)) secs

See Also

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