final case class Rotate2(rate: Rate, x: GE, y: GE, pos: GE = 0.0f) extends MultiOut with Product with Serializable
A UGen that can be used for rotating an ambisonic B-format sound field around
an axis. It uses an equal-power rotation so it also works well on stereo sounds.
It takes two audio inputs ( x
, y
) and an angle control ( pos
). It
outputs again two channels, using these formulas:
xr = cos(angle) * x + sin(angle) * y yr = cos(angle) * y - sin(angle) * x
where angle = pos * Pi
. This allows, for example, the use of LFSaw
to
create a continuous rotation around a circle.
Note: Be careful when accessing the output channels. xr
and yr
are
the X and Y output channels, whereas x
and y
refers to the X and Y input
channel.
- x
B-format X input channel
- y
B-format Y input channel
- pos
angle to rotate around the circle, normalized between -1 and +1. -1 and +1 corresponds to -180 and +180 degrees (behind), -0.5 is 90 degrees left, 0 is frontal, +0.5 is 90 degrees right.
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Abstract method which must be implemented by creating the actual
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- val pos: GE
- val rate: Rate
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- val x: GE
- def xr: GE
- val y: GE
- def yr: GE