init(x:y:z:w:)
Initialize a Core Image vector object with four values.
Declaration
convenience init(x: CGFloat, y: CGFloat, z: CGFloat, w: CGFloat)Parameters
- x:
The value for the first position in the vector.
- y:
The value for the second position in the vector.
- z:
The value for the third position in the vector.
- w:
The value for the forth position in the vector.
Return Value
An initialized CIVector object of length 4.