class Geo2D::Coordinate

• Geo2D::Coordinate
• Reference
• Object

Defined in:

geo2d/coordinate.cr

Constructors

• .new(coord : Coordinate)
• .new(angle : Float64)
• .new(x = 0, y = 0)

Instance Method Summary

• #!=(coord : Coordinate) : Bool
• #*(other : Coordinate)

  Multiplication two points and return a new coordinate

• #*(s : Float64)

  Multiplication by Float64

• #+(other : Coordinate)

  Add two points to each other and return a new coordinate

• #+(offset : Float64)

  Operator + for offset addition

• #-(other : Coordinate)

  Subtract two points from each other and return a new coordinate

• #-(offset : Float64)

  Operator - for offset subtract

• #/(s : Float64)

  Division by Float64

• #==(coord : Coordinate) : Bool

  Checks for the equality of Coordinate

• #angle

  Angle from (0, 0) to coordinate

• #angle_between(point1 : Coordinate, point2 : Coordinate)

  The angle between two points using the current point as the center

• #angle_to(point : Coordinate)

  Returns angle To the coordinate

• #clone
• #distance_to(point : Coordinate)

  Calculate the distance between this coordinate and another coordinate

• #dot(coord : Coordinate)

  Dot product with other coordinate : return _x * coord._x + _y * coord._y

• #flip_xy

  Flips the x and y of Coordinate

• #magnitude

  Magnitude or length of the point relative to zero

• #midpoint(other : Coordinate)

  Midpoint between two coordinates

• #mirror(axis1 : Coordinate, axis2 : Coordinate)

  Mirror a coordinate axis1 : First point of line to be mirrored about axis2 : Second point of line to be mirrored about

• #move(direction : Coordinate, d : Float64)

  Move the coordinate by distance d over vector direction

• #move_to(to : Coordinate, d : Float64)

  Move the coordinate in the direction of point 'to' with distance d

• #norm

  Normalised version of this coordinate

• #rotate(point : Coordinate, angle_vector : Coordinate)

  Rotate around a point with a given angle vector

• #rotate(point : Coordinate, angle : Float64)

  Rotate around a point with a given angle

• #rotate(angle_vector : Coordinate)

  Rotate around (0.,0.) with a given angle vector

• #rotate(angle : Float64)

  Rotate around (0.,0.) with a given angle

• #rotate_by_arc_length(point : Coordinate, length : Float64)

  Around a point where the rotation described length is known

• #scale(scale_center : Coordinate, scale_factor : Coordinate)

  Scales this coordinate by the given factors with the given center

• #scale(scale_factor : Float64)

  Scales the coordinate by given factor with (0, 0) as center

• #scale(scale_factor : Coordinate)

  Scales the coordinate by given factors with (0, 0) as center

• #squared

  Squared of this Coordinate : return x * x + y * y

• #x : Float64
• #x=(x : Float64)
• #y : Float64
• #y=(y : Float64)

Constructor Detail

Instance Method Detail