18 lines
1.0 KiB
Lua
18 lines
1.0 KiB
Lua
utils={}
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function utils.accuracy(beatDivisions, time)
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local ticksToPrevDiv=(game.ticker.ticks-1)%beatDivisions
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local ticksToNextDiv=beatDivisions-ticksToPrevDiv
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local prevDivTime=game.ticker.lastTickTime-ticksToPrevDiv*game.ticker.tickTime
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local nextDivTime=game.ticker.lastTickTime+ticksToNextDiv*game.ticker.tickTime
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local closest=math.min(math.abs(time-prevDivTime), math.abs(time-nextDivTime))
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local halfDivision=beatDivisions/2*game.ticker.tickTime
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-- print(math.abs(time-nextDivTime),"to next beat, ",math.abs(time-prevDivTime)," to previous beat. Half division is ",halfDivision,". Closest is ",closest,". The current time is ",time,", and the next division is at ", nextDivTime,", last tick happened at ",game.ticker.lastTickTime," and is tick number ",game.ticker.ticks)
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return (halfDivision-closest)/halfDivision -- Math is hard
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end
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local volumeScale=0.0029
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function utils.setSourcePosition(source, x, y)
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source:setPosition(x,8,0)
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source:setVolume(volumeScale*game.field.height-volumeScale*math.abs(player.y-y))
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end |