Commit a1eac01

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Tweak sound synthesis to use equal temperament

1 parent b3c27c6 commit a1eac01Copy full SHA for a1eac01

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Lines changed: 3 additions & 3 deletions

Original file line number	Diff line number	Diff line change
`@@ -2,8 +2,7 @@ class_name ArraySound`
`2`	`2`	`extends Node`
`3`	`3`
`4`	`4`	`const SAMPLE_HZ = 44100`
`5`		`-const MIN_HZ = 110`
`6`		`-const MAX_HZ = 440`
	`5`	`+const MIN_HZ = 110 # A2`
`7`	`6`
`8`	`7`	`var frac: float`
`9`	`8`	`var player = AudioStreamPlayer.new()`
`@@ -17,7 +16,8 @@ func _fill_buffer(pulse_hz):`
`17`	`16`	`_phase = fmod(_phase + increment, 1.0)`
`18`	`17`
`19`	`18`	`func _process(delta):`
`20`		`- _fill_buffer(MIN_HZ + (MAX_HZ - MIN_HZ) * frac)`
	`19`	`+ # Each step of an already sorted array of size 32 <-> one semitone`
	`20`	`+ _fill_buffer(MIN_HZ * pow(pow(2, 1.0 / 12), frac * 32))`
`21`	`21`
`22`	`22`	`func _init():`
`23`	`23`	`add_child(player)`

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