safloop.rb

# Simple Sonic Pi script which randomly picks part of a looping sample to create a groovy rhythm.
# https://soundcloud.com/synthbreath/sonic-pi-random-safari-loop
# Thanks to Sam Aaron for that “pick” trick! https://in-thread.sonic-pi.net/t/find-the-last-onset-within-a-sample/1299/10?u=enkerli
# And thanks to Martin Butz for the actual solution of finding the number of onsets in a sample! Quite elegant.
# https://in-thread.sonic-pi.net/t/find-the-last-onset-within-a-sample/1299/14?u=enkerli
# I also explored loops from sample libraries: https://soundcloud.com/synthbreath/sliced-loops

smp=:loop_safari
maxons=sample_buffer(smp, 0).onset_slices.last[:index]
loop do
  ons=rand(0..maxons)
  sample smp, onset: ons
  sleep sample_duration(smp, onset: ons)
end