Pan4

A four channel equal-power panorama UGen. The outputs are in order leftFront , rightFront , leftBack , rightBack .

===Examples===

// mouse controlled pan position
play {
 val x = MouseX.kr(-1, 1)
 val y = MouseY.kr(-1, 1)
 val p = Pan4.ar(PinkNoise.ar, x, y)
 // make a stereo mix with different timbre front and back
 val f = Resonz.ar(Seq(p.leftFront, p.rightFront), 4000, 0.2) * 4
 val r = Resonz.ar(Seq(p.leftBack , p.rightBack ), 1500, 0.2) * 4
 f + r
}