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Added volume manipulation, adjusted panning parameters

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This commit is contained in:
Akaza Akari 2014-03-05 20:12:42 -08:00
parent 51d7bd656d
commit 030da44c23
1 changed files with 3 additions and 2 deletions
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5
app/lib/AudioPlayer.coffee
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@ -55,8 +55,9 @@ class AudioPlayer extends CocoClass
applyPanning: (options, pos) ->
sup = @camera.worldToSurface pos
svp = @camera.surfaceViewport
pan = Math.max -1, Math.min 1, ((sup.x - svp.x) - svp.width / 2) / svp.width * 2
# TODO: derive new volume from old one and distance ratio
pan = Math.max -1, Math.min 1, ((sup.x - svp.x) - svp.width / 2) / svp.width
dst = @camera.distanceRatioTo pos
vol = Math.min 1, options.volume / Math.pow (dst + 0.2), 2
volume: options.volume, delay: options.delay, pan: pan
# PUBLIC LOADING METHODS