Package org.opensourcephysics.display

Class DrawableGroup

java.lang.Object

org.opensourcephysics.display.DrawableGroup

All Implemented Interfaces:

Drawable

public class DrawableGroup
extends java.lang.Object
implements Drawable

Draws a group of shapes.

Field Summary

Fields

Modifier and Type	Field	Description
protected java.util.ArrayList<Drawable>	drawableList
protected double	theta
protected double	x
protected double	y

Constructor Summary

Constructors

Constructor	Description
DrawableGroup()

Method Summary

Modifier and Type	Method	Description
void	addDrawable(Drawable drawable)	Adds a drawable object to the drawable list.
void	draw(DrawingPanel panel, java.awt.Graphics g)	Draws the shapes in the drawable list.
double	getTheta()	Gets the rotation angle in radians.
double	getX()	Gets the x location.
double	getY()	Gets the y location.
void	setTheta(double _theta)	Sets the rotation angle in radians.
void	setX(double _x)	Sets the x coordinate.
void	setXY(double _x, double _y)	Sets the x and y coordinates.
void	setY(double _y)	Sets the y coordinate.

Methods inherited from class java.lang.Object

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

Field Detail

x

protected double x

y

protected double y

theta

protected double theta

drawableList

protected java.util.ArrayList<Drawable> drawableList

Constructor Detail

DrawableGroup

public DrawableGroup()

Method Detail

addDrawable

public void addDrawable(Drawable drawable)

Adds a drawable object to the drawable list.

Parameters:

drawable -

draw

public void draw(DrawingPanel panel,
                 java.awt.Graphics g)

Draws the shapes in the drawable list.

Specified by:

draw in interface Drawable

Parameters:

panel - the drawing panel

g - the graphics context

setXY

public void setXY(double _x,
                  double _y)

Sets the x and y coordinates.

Parameters:

_x - double

_y - double

setX

public void setX(double _x)

Sets the x coordinate.

Parameters:

_x -

getX

public double getX()

Gets the x location.

Returns:

x

getY

public double getY()

Gets the y location.

Returns:

y

setY

public void setY(double _y)

Sets the y coordinate.

Parameters:

_y -

getTheta

public double getTheta()

Gets the rotation angle in radians.

Returns:

theta

setTheta

public void setTheta(double _theta)

Sets the rotation angle in radians.

Parameters:

_theta -