init(value:variance:)
Creates and initializes a new range object using a value and a maximum distance from that value.
Declaration
convenience init(value: CGFloat, variance: CGFloat)Parameters
- value:
The midpoint for the range.
- variance:
The maximum amount that a value may differ from the midpoint.
Return Value
A newly initialized range object whose minimum value is value-variance and whose maximum value is value+variance.