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Add volume

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This commit is contained in:
Alex Clink 2022-02-19 22:58:43 -05:00
parent ab9176c00d
commit 55f9ce35f4
1 changed files with 4 additions and 2 deletions
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6
src/audio/sound.cr
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@ -60,13 +60,15 @@ module PF
property started_at : Float64 property started_at : Float64
property wave : Wave property wave : Wave
property released_at : Float64? = nil property released_at : Float64? = nil
property volume : Float64 = 1.0
def initialize(@hertz, @envelope, @started_at, @wave = Sound.sin_wave) def initialize(@hertz, @envelope, @started_at, @volume = 1.0, @wave = Sound.sin_wave)
end end
def sample(time : Float64) def sample(time : Float64)
@wave.call(time - @started_at, @hertz) * @wave.call(time - @started_at, @hertz) *
@envelope.amplitude(time, @started_at, @released_at) @envelope.amplitude(time, @started_at, @released_at) *
@volume
end end
def release!(time : Float64) def release!(time : Float64)