gizmoball.shape
Class UnionShape

java.lang.Object
  gizmoball.shape.UnionShape

All Implemented Interfaces:

Shape

Direct Known Subclasses:

FlipperShape

public class UnionShape
extends java.lang.Object
implements Shape

This object, implementing the Shape interface, represents a shape constructed as a combination of other shapes.

Author:

Eitan Reich

Constructor Summary

UnionShape(java.util.List<Shape> shapes)
Constructs a UnionShape out of a list of shapes, which must all be either Cirle09, Polygon or UnionShape.

UnionShape(Shape s1, Shape s2)
Constructs a UnionShape out of a pair of shapes, which must be either Circle09, UnionShape or Polygon.

Method Summary

boolean	containsPoint(Vect pt) returns true iff shape contains specified point
java.util.List<Circle>	getCircles() returns list of circles constituting UnionShape
java.util.List<LineSegment>	getLineSegments() returns list of LineSegments constituting UnionShape
java.util.List<Shape>	getShapes()
Vect	maxXY() Returns the maximum coordinates of a bounding rectangle of the shape
Vect	minXY() Returns the minimum coordinates for a bounding rectangle of the shape
UnionShape	rotate(Angle theta, Vect centerOfRotation) returns a new UnionShape rotated by specified angle around center of rotation
UnionShape	translate(Vect v) returns a new UnionShape translated by specified vector.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

UnionShape

public UnionShape(java.util.List<Shape> shapes)

Constructs a UnionShape out of a list of shapes, which must all be either Cirle09, Polygon or UnionShape.

Parameters:

shapes - list of shapes

UnionShape

public UnionShape(Shape s1,
                  Shape s2)

Constructs a UnionShape out of a pair of shapes, which must be either Circle09, UnionShape or Polygon.

Parameters:

s1 - shape

s2 - shape

Method Detail

minXY

public Vect minXY()

Returns the minimum coordinates for a bounding rectangle of the shape

Specified by:

minXY in interface Shape

Returns:

the minimum coordinates for a bounding rectangle of the shape

maxXY

public Vect maxXY()

Returns the maximum coordinates of a bounding rectangle of the shape

Specified by:

maxXY in interface Shape

Returns:

the maximum coordinates for a bounding rectangle of the shape

getShapes

public java.util.List<Shape> getShapes()

Returns:

list of shapes constituting the UnionShape

containsPoint

public boolean containsPoint(Vect pt)

returns true iff shape contains specified point

Specified by:

containsPoint in interface Shape

getCircles

public java.util.List<Circle> getCircles()

returns list of circles constituting UnionShape

Specified by:

getCircles in interface Shape

Returns:

List list of Circle objects

getLineSegments

public java.util.List<LineSegment> getLineSegments()

returns list of LineSegments constituting UnionShape

Specified by:

getLineSegments in interface Shape

Returns:

List list of LineSegment objects

rotate

public UnionShape rotate(Angle theta,
                         Vect centerOfRotation)

returns a new UnionShape rotated by specified angle around center of rotation

Specified by:

rotate in interface Shape

Parameters:

theta - angle to rotate

centerOfRotation - point to rotate around

Returns:

shape rotated around centerOfRotation by angle theta

translate

public UnionShape translate(Vect v)

returns a new UnionShape translated by specified vector.

Specified by:

translate in interface Shape

Parameters:

v - vector to translate shape by

Returns:

shape translated by v