diff options
author | Anthony Wang | 2023-03-16 22:59:41 -0400 |
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committer | Anthony Wang | 2023-03-16 22:59:41 -0400 |
commit | 0da46c8a33e7a9b61b564cce5c4c4526fe3d84dc (patch) | |
tree | 1c3948cdb3a6cd6119f2ede76279cde26e464eba /blend.nim | |
parent | 46911993234b7c9cc07546f56843b35621b7f811 (diff) |
Clean up code and rename to yue
Diffstat (limited to 'blend.nim')
-rw-r--r-- | blend.nim | 289 |
1 files changed, 289 insertions, 0 deletions
diff --git a/blend.nim b/blend.nim new file mode 100644 index 0000000..df87253 --- /dev/null +++ b/blend.nim @@ -0,0 +1,289 @@ +import yue, std/[sugar] + +const GAIN_NORMAL = 0.22 + +var osc: OscFn = (f, t: float) => 0.0 + +proc p*(len, octave, step, vol: float = 1): Note = + ## Note helper constructor + (len, freq(octave, step), vol, osc) + +osc = (f, t: float) => osc_piano(f, t) * GAIN_NORMAL + +let intro = [ + p(1, 3, 3), + p(1, 3, 7), + p(1, 3, 10), + p(6, 4, 2), + + p(1, 3, 1), + p(1, 3, 5), + p(1, 3, 8), + p(3, 4, 0), + + p(1, 2, 11), + p(1, 3, 3), + p(1, 3, 6), + p(3, 3, 10), + + p(1, 2, 8), + p(1, 3, 0), + p(1, 3, 3), + p(8, 3, 7), +] + +let outro = [ + p(1, 3, 3), + p(1, 3, 7), + p(1, 3, 10), + p(1, 4, 2), + p(1, 4, 3), + p(1, 4, 7), + p(2, 4, 8), + + p(1, 3, 1), + p(1, 3, 5), + p(1, 3, 8), + p(1, 4, 0), + p(1, 4, 1), + p(1, 4, 5), + p(2, 4, 8), + + p(1, 2, 11), + p(1, 3, 3), + p(1, 3, 6), + p(1, 3, 10), + p(1.5, 3, 11), + p(1.5, 4, 3), + p(3, 4, 8), + + p(1.5, 2, 8), + p(1.5, 3, 0), + p(2, 3, 3), + p(16, 3, 7, 2), +] + +let melody = [ + p(1, 3, 3), + p(1, 3, 7), + p(1, 3, 10), + p(1, 4, 2), + p(1, 4, 3), + p(1, 4, 7), + p(2, 4, 8), + + p(1, 3, 1), + p(1, 3, 5), + p(1, 3, 8), + p(1, 4, 0), + p(1, 4, 1), + p(1, 4, 5), + p(2, 4, 8), + + p(1, 3, 3), + p(1, 3, 7), + p(1, 3, 10), + p(1, 4, 2), + p(1, 4, 3), + p(1, 4, 10), + p(2, 4, 3), + + p(1, 3, 1), + p(1, 3, 5), + p(1, 3, 8), + p(1, 4, 0), + p(1, 4, 10), + p(1, 4, 8), + p(2, 4, 10), + + + p(1, 3, 3), + p(1, 3, 7), + p(1, 3, 10), + p(1, 4, 2), + p(1, 4, 3), + p(1, 4, 7), + p(2, 4, 8), + + p(1, 3, 1), + p(1, 3, 5), + p(1, 3, 8), + p(1, 4, 0), + p(1, 4, 1), + p(1, 4, 5), + p(2, 4, 1), + + p(1, 3, 3), + p(1, 3, 7), + p(1, 3, 10), + p(1, 4, 2), + p(1, 4, 3), + p(1, 4, 10), + p(1, 4, 8), + p(1, 4, 7), + + p(1, 3, 1), + p(1, 3, 5), + p(1, 3, 8), + p(1, 4, 0), + p(1, 4, 10), + p(1, 4, 8), + p(2, 4, 10), +] + +osc = (f, t: float) => osc_weird_pluck(f, t) * GAIN_NORMAL + +let melody2 = [ + p(1, 0, 0), + p(1, 5, 10), + p(1, 5, 8), + p(1, 5, 7), + p(1, 5, 8), + p(3, 5, 7, 2), + + p(1, 5, 3), + p(1, 4, 10), + p(6, 5, 1, 2), + + p(1/2, 5, 0, 2), + p(1/2, 5, 1, 2), + p(3, 5, 3, 2), + p(1/2, 5, 10, 2), + p(7/2, 5, 3, 2), + + p(8, 0, 0), + + p(1, 0, 0), + p(1, 5, 3), + p(1, 5, 10), + p(1, 5, 10), + p(4/3, 5, 10), + p(4/3, 5, 8), + p(4/3, 5, 7), + + p(1, 0, 0), + p(1, 5, 1), + p(1, 5, 8), + p(1, 5, 8), + p(4/3, 5, 8), + p(4/3, 5, 8), + p(4/3, 5, 10), + + p(8, 0, 0), + + p(1, 0, 0), + p(5, 5, 3, 2), + p(2, 5, 10, 2), +] + +let melody3 = [ + p(1, 0, 0), + p(1, 5, 10), + p(1/2, 5, 8, 2/3), + p(1/2, 5, 7, 2/3), + p(1/4, 5, 8, 1/2), + p(1/4, 5, 7, 1/2), + p(1/4, 5, 8, 1/2), + p(1/4, 5, 7, 1/2), + p(1, 5, 8), + p(3, 5, 7, 2), + + p(1, 5, 3), + p(1, 4, 10), + p(1, 5, 1), + p(5, 5, 7, 2), + + p(1/2, 5, 7), + p(1/2, 5, 10), + p(1/4, 5, 7), + p(1/4, 5, 10), + p(1/4, 5, 7), + p(1/4, 5, 10), + p(1, 6, 3), + p(2, 5, 3, 2), + p(1/2, 6, 3), + p(5/2, 5, 3, 2), + + p(1/2, 5, 10), + p(1/2, 5, 8), + p(1/2, 5, 7), + p(1/2, 5, 8), + p(1/2, 5, 7), + p(1/2, 5, 3), + p(1/2, 4, 10), + p(1/2, 5, 1), + p(1/2, 5, 0), + p(1/2, 4, 10), + p(1/2, 4, 8), + p(1/2, 4, 10), + p(1/2, 5, 3), + p(1/2, 5, 7), + p(1/2, 5, 3), + p(1/2, 5, 10), + + p(4/3, 5, 7), + p(4/3, 6, 3), + p(4/3, 6, 3), + p(4/3, 6, 2), + p(4/3, 5, 10), + p(4/3, 5, 7), + + p(3, 5, 5), + p(2, 5, 7), + p(2, 5, 8), + p(1, 6, 1), + + p(1, 5, 3), + p(1, 5, 5), + p(2, 5, 7), + p(1, 5, 3), + p(1, 5, 8), + p(2, 5, 10), + + p(3/2, 6, 0), + p(3/2, 6, 1), + p(5, 6, 3, 2), +] + +# clip length to 1 second +osc = (f, t: float) => (if t > 1: 0.0 else: + (osc_saw(f, t) * GAIN_NORMAL * 0.06) + (osc_pulse(f, t) * GAIN_NORMAL * 0.3)) + +let bass = [ + p(1, 1, 3), + p(1, 1, 10), + p(1, 1, 1), + p(1, 1, 8), + p(1, 1, 3), + p(1, 2, 3), + p(1, 1, 1), + p(1, 1, 10), +] + +from std/algorithm import sort + +# Process all lists of notes +var music: seq[ProcessedNote] = @[] +music.process(intro, 0, 4) +music.process(melody, 8, 4) +music.process(melody, 24, 4) +music.process(bass, 24) +music.process(bass, 32) +music.process(melody, 40, 4) +music.process(melody2, 40, 4) +music.process(bass, 40) +music.process(bass, 48) +music.process(melody, 56, 4) +music.process(melody3, 56, 4) +music.process(bass, 56) +music.process(bass, 64) +music.process(outro, 72, 4) +music.sortByStart() + +# Number of times to sample each second +const bitrate = 44100 + +# Print out music encoded in s32 to standard output +for i in (0 * bitrate ..< 84 * bitrate): + let bytes = cast[array[4, uint8]](music.at(i / bitrate)) + doAssert 4 == stdout.writeBytes(bytes, 0, 4) |