Class AABB

constructor

• new AABB(options?): AABB

• Parameters

  • options: AABBOptions = {}

  Returns AABB

lowerBound

upperBound

containsPoint

• containsPoint(point): boolean

• Whether the AABB contains a given point

  Parameters

  • point: Vec2

  Returns boolean

copy

• copy(aabb): void

• Copy bounds from an AABB to this AABB

  Parameters

  • aabb: AABB

  Returns void

extend

• extend(aabb): void

• Extend this AABB so that it covers the given AABB too.

  Parameters

  • aabb: AABB

  Returns void

overlaps

• overlaps(aabb): boolean

• Returns true if the given AABB overlaps this AABB.

  Parameters

  • aabb: AABB

  Returns boolean

overlapsRay

• overlapsRay(ray): number

• Check if the AABB is hit by a ray.

  Parameters

  • ray: Ray

  Returns number

  -1 if no hit, a number between 0 and 1 if hit, indicating the position between the "from" and "to" points.

  Example

  var aabb = new AABB({
          upperBound: [1, 1],
          lowerBound: [-1, -1]
      });
      var ray = new Ray({
          from: [-2, 0],
          to: [0, 0]
      });
      var fraction = aabb.overlapsRay(ray); // fraction == 0.5
  Copy

setFromPoints

• setFromPoints(points, position, angle?, skinSize?): void

• Set the AABB bounds from a set of points, transformed by the given position and angle.

  Parameters

  • points: Vec2[]

    An array of vec2's.

  • position: Vec2

  • angle: number = 0

  • skinSize: number = 0

    Some margin to be added to the AABB.

  Returns void