A structure that contains a two-dimensional vector.
SDKs
- iOS 7.0+
- macOS 10.9+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 2.0+
Framework
- Core Graphics
Declaration
struct CGVector
Structure
CGVector
Topics
Special Values
static var zero: CGVectorThe vector whose components are both zero.
init()Creates a vector whose components are both zero.
Geometric Properties
var dx: CGFloatThe x component of the vector.
var dy: CGFloatThe y component of the vector.
Initializers
init(dx: Double, dy: Double)Creates a vector with components specified as floating-point values.
init(dx: CGFloat, dy: CGFloat)Creates a vector with components specified as CGFloat values.
init(dx: Int, dy: Int)Creates a vector with components specified as integer values.
Instance Properties
Instance Methods
Operator Functions
Relationships
See Also
Geometric Data Types
struct CGFloatThe basic type for floating-point scalar values in Core Graphics and related frameworks.
struct CGPointA structure that contains a point in a two-dimensional coordinate system.
struct CGSizeA structure that contains width and height values.
struct CGRectA structure that contains the location and dimensions of a rectangle.
struct CGAffineAn affine transformation matrix for use in drawing 2D graphics.