Point2d

Objective-C

@interface Point2d : NSObject

Swift

class Point2d : NSObject

Represents a two dimensional point the coordinate values of which are of type double

  • x

    Declaration

    Objective-C

    @property double x

    Swift

    var x: Double { get set }
  • y

    Declaration

    Objective-C

    @property double y

    Swift

    var y: Double { get set }

  • Declaration

    Objective-C

    - (instancetype)init;

    Swift

    init()

  • Declaration

    Objective-C

    - (instancetype)initWithX:(double)x y:(double)y;

    Swift

    init(x: Double, y: Double)

  • Declaration

    Objective-C

    - (instancetype)initWithVals:(NSArray<NSNumber*>*)vals;

    Swift

    init(vals: [NSNumber])

  • Calculate the dot product of this point and another point

    Declaration

    Objective-C

    - (double)dot:(nonnull Point2d *)point;

    Swift

    func dot(_ point: Point2d) -> Double

    Parameters

    point

    The other point

  • Determine if the point lies with a specified rectangle

    Declaration

    Objective-C

    - (BOOL)inside:(nonnull Rect2d *)rect;

    Swift

    func inside(_ rect: Rect2d) -> Bool

    Parameters

    rect

    The rectangle

  • Set the point coordinates from the values of an array

    Declaration

    Objective-C

    - (void)set:(nonnull NSArray<NSNumber *> *)vals;

    Swift

    func set(vals: [NSNumber])

    Parameters

    vals

    The array of values from which to set the coordinates

  • Clone object

    Declaration

    Objective-C

    - (nonnull Point2d *)clone;

    Swift

    func clone() -> Point2d

  • Compare for equality

    Declaration

    Objective-C

    - (BOOL)isEqual:(nullable id)other;

    Swift

    func isEqual(_ other: Any?) -> Bool

    Parameters

    other

    Object to compare

  • Calculate hash value for this object

    Declaration

    Objective-C

    - (NSUInteger)hash;

    Swift

    func hash() -> UInt

  • Returns a string that describes the contents of the object

    Declaration

    Objective-C

    - (nonnull NSString *)description;

    Swift

    func description() -> String