Class Ellipse

constructor

• new Ellipse(x, y, w, h): Ellipse

• Parameters

  • x: number

    the center x coordinate of the ellipse
  • y: number

    the center y coordinate of the ellipse
  • w: number

    width (diameter) of the ellipse
  • h: number

    height (diameter) of the ellipse

  Returns Ellipse

_bounds

pos

radius

radiusSq

radiusV

ratio

type

clone

• clone(): Ellipse

• clone this Ellipse

  Returns Ellipse

  new Ellipse

contains

• contains(x, y?): boolean

• check if this circle/ellipse contains the specified point

  Parameters

  • x: number

    x coordinate or a vector point to check
  • Optionaly: number

    y coordinate

  Returns boolean

  true if contains

  Example

  if (circle.contains(10, 10)) {
    // do something
  }
  // or
  if (circle.contains(myVector2d)) {
   // do something
  }
  Copy

• contains(vector): boolean

• Parameters

  • vector: Vector2d

  Returns boolean

getBounds

• getBounds(): Bounds

• returns the bounding box for this shape, the smallest Rectangle object completely containing this shape.

  Returns Bounds

  this shape bounding box Rectangle object

rotate

• rotate(angle, v?): Ellipse

• Rotate this Ellipse (counter-clockwise) by the specified angle (in radians).

  Parameters

  • angle: number

    The angle to rotate (in radians)
  • Optionalv: Vector2d

    an optional point to rotate around

  Returns Ellipse

  Reference to this object for method chaining

scale

• scale(x, y?): Ellipse

• Scale this Ellipse by the specified scalar.

  Parameters

  • x: number

    the scale factor along the x-axis
  • Optionaly: number = x

    the scale factor along the y-axis

  Returns Ellipse

  Reference to this object for method chaining

scaleV

• scaleV(v): Ellipse

• Scale this Ellipse by the specified vector.

  Parameters

  • v: Vector2d

    Scaling vector.

  Returns Ellipse

  Reference to this object for method chaining

setShape

• setShape(x, y, w, h): Ellipse

• set new value to the Ellipse shape

  Parameters

  • x: number

    the center x coordinate of the ellipse
  • y: number

    the center y coordinate of the ellipse
  • w: number

    width (diameter) of the ellipse
  • h: number

    height (diameter) of the ellipse

  Returns Ellipse

  this instance for objecf chaining

transform

• transform(): Ellipse

• apply the given transformation matrix to this ellipse

  Returns Ellipse

  Reference to this object for method chaining

translate

• translate(x, y?): Ellipse

• translate the circle/ellipse by the specified offset

  Parameters

  • x: number

    x coordinate or a vector point to translate by
  • Optionaly: number

    y offset

  Returns Ellipse

  this ellipse

  Example

  ellipse.translate(10, 10);
  // or
  ellipse.translate(myVector2d);
  Copy

• translate(vector): Ellipse

• Parameters

  • vector: Vector2d

  Returns Ellipse