model.map.shapes

Class PolygonMapComponent

java.lang.Object

model.map.MapComponent

model.map.PhysicalMapComponent

model.map.shapes.PolygonMapComponent

All Implemented Interfaces:

PolygonShape, SimulationObject

Direct Known Subclasses:

Area, PhysicalObject, Sensor

public abstract class PolygonMapComponent
extends PhysicalMapComponent
implements PolygonShape

A polygon map component.

Author:

S.A.M. Janssen

Field Summary

Fields

Modifier and Type	Field and Description
protected PathShape	shape The PathShape shape of the physical obstacle.

Fields inherited from class model.map.PhysicalMapComponent

position

Fields inherited from class model.map.MapComponent

map

Constructor Summary

Constructors

Constructor and Description
PolygonMapComponent(double[] x, double[] y) Create a wall from a list of (x,y) coordinates.
PolygonMapComponent(double topX, double topY, double width, double height) Creates a rectangular wall with a specified top left corner, width and height.
PolygonMapComponent(double x0, double x1, double x2, double x3, double y0, double y1, double y2, double y3) Creates a wall from four corner coordinates.
PolygonMapComponent(java.util.List<Position> corners) Create a wall from a list of corner Positions.

Method Summary

Modifier and Type	Method and Description
boolean	contains(java.util.List<Position> positions) Determines if a point out of a set of points is contained in a shape.
boolean	contains(Position position) Determines if the shape contains a position.
Position	generatePosition() Generates a position inside the shape.
Position	generatePosition(RandomPlus randomGenerator) Generates a position inside the shape.
java.util.List<Position>	generatePositions(int numberOfPositions) Generates a set of positions inside the shape.
java.util.List<Position>	generatePositions(int numberOfPositions, RandomPlus randomGenerator) Generates a set of positions inside the shape.
java.util.List<Position>	getCorners() Gets the list of corner Positions.
private PathShape	getShape() Gets the PathShape shape of the physical obstacle.
Vector	getVectorToPosition(Position position) Gets a Vector pointing from the component to a Position.
boolean	isCollision(PolygonMapComponent other) Determines if two PolygonMapComponents intersect.
boolean	isLineCollision(Position start, Position end) Determines if a line intersects with the PhysicalMapComponent.
java.lang.String	toString()

Methods inherited from class model.map.PhysicalMapComponent

getDistance, getPosition

Methods inherited from class model.map.MapComponent

isDestroyed

Methods inherited from class java.lang.Object

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

Field Detail

shape

protected final PathShape shape

The PathShape shape of the physical obstacle.

Constructor Detail

PolygonMapComponent

public PolygonMapComponent(double topX,
                           double topY,
                           double width,
                           double height)

Creates a rectangular wall with a specified top left corner, width and height.

Parameters:

topX - The x coordinate of the top left corner.

topY - The y coordinate of the top left corner.

width - The width of the wall.

height - The height of the wall.

PolygonMapComponent

public PolygonMapComponent(double x0,
                           double x1,
                           double x2,
                           double x3,
                           double y0,
                           double y1,
                           double y2,
                           double y3)

Creates a wall from four corner coordinates.

Parameters:

x0 - The first x coordinate.

x1 - The second x coordinate.

x2 - The third x coordinate.

x3 - The fourth x coordinate.

y0 - The first y coordinate.

y1 - The second y coordinate.

y2 - The third y coordinate.

y3 - The fourth y coordinate.

PolygonMapComponent

public PolygonMapComponent(double[] x,
                           double[] y)

Create a wall from a list of (x,y) coordinates.

Parameters:

x - The x coordinates.

y - The y coordinates.

PolygonMapComponent

public PolygonMapComponent(java.util.List<Position> corners)

Create a wall from a list of corner Positions.

Parameters:

corners - The list of corner positions.

Method Detail

contains

public boolean contains(java.util.List<Position> positions)

Determines if a point out of a set of points is contained in a shape.

Parameters:

positions - The points.

Returns:

True if a point is in the shape, false otherwise.

contains

public boolean contains(Position position)

Determines if the shape contains a position.

Parameters:

position - The position.

Returns:

True if it does, false otherwise.

generatePosition

public Position generatePosition()

Generates a position inside the shape.

Returns:

The position.

generatePosition

public Position generatePosition(RandomPlus randomGenerator)

Generates a position inside the shape.

Parameters:

randomGenerator - The random generator.

Returns:

The position.

generatePositions

public java.util.List<Position> generatePositions(int numberOfPositions)

Generates a set of positions inside the shape.

Parameters:

numberOfPositions - The number of positions we want to generate.

Returns:

The positions.

generatePositions

public java.util.List<Position> generatePositions(int numberOfPositions,
                                                  RandomPlus randomGenerator)

Generates a set of positions inside the shape.

Parameters:

numberOfPositions - The number of positions we want to generate.

randomGenerator - The random generator.

Returns:

The positions.

getCorners

public java.util.List<Position> getCorners()

Gets the list of corner Positions.

Specified by:

getCorners in interface PolygonShape

Returns:

The list of corner positions.

getShape

private PathShape getShape()

Gets the PathShape shape of the physical obstacle.

Returns:

The shape.

getVectorToPosition

public Vector getVectorToPosition(Position position)

Description copied from class: PhysicalMapComponent

Gets a Vector pointing from the component to a Position.

Specified by:

getVectorToPosition in class PhysicalMapComponent

Parameters:

position - The first position.

Returns:

The vector.

isCollision

public boolean isCollision(PolygonMapComponent other)

Determines if two PolygonMapComponents intersect.

Parameters:

other - The second shape.

Returns:

True if they intersect, false otherwise.

isLineCollision

public boolean isLineCollision(Position start,
                               Position end)

Description copied from class: PhysicalMapComponent

Determines if a line intersects with the PhysicalMapComponent.

Specified by:

isLineCollision in class PhysicalMapComponent

Parameters:

start - The start position of the line.

end - The end position of the line.

Returns:

True if they do, false otherwise.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object