Available since LÖVE 0.9.0
This function is not supported in earlier versions.
Sets the Source's directional volume cones. Together with Source:setDirection, the cone angles allow for the Source's volume to vary depending on its direction.
Source:setCone( innerAngle, outerAngle, outerVolume )
number outerVolume (0)
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Licensed under the GNU Free Documentation License, Version 1.3.