pythagoras.f

Class Point

java.lang.Object

pythagoras.f.AbstractPoint

pythagoras.f.Point

All Implemented Interfaces:

Serializable, Cloneable, IPoint, XY

public class Point
extends AbstractPoint
implements Serializable

Represents a point on a plane.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
float	x The x-coordinate of the point.
float	y The y-coordinate of the point.

Constructor Summary

Constructors

Constructor and Description
Point() Constructs a point at (0, 0).
Point(float x, float y) Constructs a point at the specified coordinates.
Point(XY p) Constructs a point with coordinates equal to the supplied point.

Method Summary

Modifier and Type	Method and Description
Point	addLocal(float dx, float dy) Translates this point by the specified offset.
Point	multLocal(float s) Multiplies this point by a scale factor.
Point	rotateLocal(float angle) Rotates this point in-place by the specified angle.
Point	set(float x, float y) Sets the coordinates of this point to the supplied values.
Point	set(XY p) Sets the coordinates of this point to be equal to those of the supplied point.
Point	subtractLocal(float x, float y) Subtracts the supplied x/y from this point.
float	x() The x coordinate.
float	y() The y coordinate.

Methods inherited from class pythagoras.f.AbstractPoint

add, add, add, clone, direction, distance, distance, distanceSq, distanceSq, equals, hashCode, mult, mult, rotate, rotate, subtract, subtract, subtract, toString

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Field Detail

x

public float x

The x-coordinate of the point.

y

public float y

The y-coordinate of the point.

Constructor Detail

Point

public Point()

Constructs a point at (0, 0).

Point

public Point(float x,
             float y)

Constructs a point at the specified coordinates.

Point

public Point(XY p)

Constructs a point with coordinates equal to the supplied point.

Method Detail

set

public Point set(XY p)

Sets the coordinates of this point to be equal to those of the supplied point.

Returns:

a reference to this this, for chaining.

set

public Point set(float x,
                 float y)

Sets the coordinates of this point to the supplied values.

Returns:

a reference to this this, for chaining.

multLocal

public Point multLocal(float s)

Multiplies this point by a scale factor.

Returns:

a a reference to this point, for chaining.

addLocal

public Point addLocal(float dx,
                      float dy)

Translates this point by the specified offset.

Returns:

a reference to this point, for chaining.

rotateLocal

public Point rotateLocal(float angle)

Rotates this point in-place by the specified angle.

Returns:

a reference to this point, for chaining.

subtractLocal

public Point subtractLocal(float x,
                           float y)

Subtracts the supplied x/y from this point.

Returns:

a reference to this point, for chaining.

x

public float x()

Description copied from interface: XY

The x coordinate.

Specified by:

x in interface XY

y

public float y()

Description copied from interface: XY

The y coordinate.

Specified by:

y in interface XY