open fun setFixedCenterPoint(pos: FloatArray!): Unit
Set a center point to emulate a multitouch rotating and scaling Event
pos - FloatArray!: center point array {x, y}.
open fun setFixedCenterPoint(x: Float, y: Float): Unit
Set a center point to emulate a multitouch rotating and scaling Event
x - Float: center point x.
y - Float: center point y.