31 lines
821 B
Go
31 lines
821 B
Go
package player
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type UserVolume int
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type PlayerVolume float64
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const MinUserVol UserVolume = 0
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const MaxUserVol UserVolume = 100
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const MinPlayerVol PlayerVolume = -10
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const MaxPlayerVol PlayerVolume = 10
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func (oldVol UserVolume) ToPlayerVolume() PlayerVolume {
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var newVol PlayerVolume
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if oldVol >= MinUserVol && oldVol <= MaxUserVol {
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ratio := PlayerVolume(oldVol-MinUserVol) / PlayerVolume(MaxUserVol-MinUserVol)
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newVol = ratio*(MaxPlayerVol-MinPlayerVol) + MinPlayerVol
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}
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return newVol
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}
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func (oldVolFloat PlayerVolume) ToUserVolume() UserVolume {
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var newVol UserVolume
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if oldVolFloat >= MinPlayerVol && oldVolFloat <= MaxPlayerVol {
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ratio := (oldVolFloat - MinPlayerVol) / (MaxPlayerVol - MinPlayerVol)
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newVol = UserVolume(ratio*PlayerVolume(MaxUserVol-MinUserVol)) + MinUserVol
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}
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return newVol
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}
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