Shape2D

All Known Implementing Classes:: Circle, Ellipse, PointQuadtree, Polygon2D, Rect, Triangle2D

public interface Shape2D

Interface description of common operations supported by 2D geometry types.

Method Summary

Modifier and Type

Method

Description

boolean

containsPoint(ReadonlyVec2D p)

Checks if the point is within the given shape.

float

getArea()

Computes the area of the shape.

Circle

getBoundingCircle()

Computes the bounding circle of the shape.

Rect

getBounds()

Returns the shape's axis-aligned bounding rect.

float

getCircumference()

Computes the shape's circumference.

List<Line2D>

getEdges()

Returns a list of the shape's perimeter edges.

Vec2D

getRandomPoint()

Computes a random point within the shape's perimeter.

Polygon2D

toPolygon2D()

Converts the shape into a Polygon2D instance (possibly via a default resolution, e.g.

Method Details
- containsPoint
  
  boolean containsPoint(ReadonlyVec2D p)
  
  Checks if the point is within the given shape.
  
  Returns:
  
  true, if inside
- getArea
  
  float getArea()
  
  Computes the area of the shape.
  
  Returns:
  
  area
- getBoundingCircle
  
  Circle getBoundingCircle()
  
  Computes the bounding circle of the shape.
  
  Returns:
  
  circle
- getBounds
  
  Rect getBounds()
  
  Returns the shape's axis-aligned bounding rect.
  
  Returns:
  
  bounding rect
- getCircumference
  
  float getCircumference()
  
  Computes the shape's circumference.
  
  Returns:
  
  circumference
- getEdges
  
  List<Line2D> getEdges()
  
  Returns a list of the shape's perimeter edges.
  
  Returns:
  
  list of Line2D elements
- getRandomPoint
  
  Vec2D getRandomPoint()
  
  Computes a random point within the shape's perimeter.
  
  Returns:
  
  Vec2D
- toPolygon2D
  
  Polygon2D toPolygon2D()
  
  Converts the shape into a Polygon2D instance (possibly via a default resolution, e.g. for circles/ellipses)
  
  Returns:
  
  shape as polygon