class PF::Transform2d

• PF::Transform2d
• Reference
• Object

Defined in:

transform2d.cr

Constructors

• .new(matrix : PF::Matrix(Float64, 9))
• .new

Class Method Summary

• .identity
• .invert(matrix : Matrix)

  Return a new inverted version of the given matrix

• .rotation(angle : Float | Int)

  Returns a matrix representing a 2d rotation

• .scale(x : Float | Int, y : Float | Int)

  Returns a matrix representing a 2d scaling

• .shear(x : Float | Int, y : Float | Int)

  Returns a matrix representing a 2d shear

• .translation(x : Float | Int, y : Float | Int)

  Returns a matrix representing a 2d translation

Instance Method Summary

• #apply(x : Float | Int, y : Float | Int)
• #apply(point : Vector2)
• #bounding_box(x : Float | Int, y : Float | Int)

  Return the boudning box of the current transformation matrix

• #invert

  Invert the transformation

• #matrix : Matrix(Float64, 9)
• #matrix=(matrix : Matrix(Float64, 9))
• #reset

  Reset the transformation to the identity matrix

• #rotate(angle : Float | Int)

  Rotate by angle (in radians)

• #scale(x : Float | Int, y : Float | Int)

  Scale by x and y

• #scale(point : Vector2)

  ditto

• #scale(n : Number)

  Scale both x and y by n

• #shear(x : Float | Int, y : Float | Int)

  Shear by x and y

• #shear(point : Vector2)

  ditto

• #translate(x : Number, y : Number)

  Translate by x and y

• #translate(point : Vector2)

  ditto

Constructor Detail

Class Method Detail

Instance Method Detail