ballworld.model

Interface IPaintStrategy

All Known Implementing Classes:

ADecoratorPaintStrategy, AnimatePaintStrategy, APaintStrategy, BallPaintStrategy, BirdSheepImagePaintStrategy, EllipsePaintStrategy, Fish1PaintStrategy, Fish2PaintStrategy, FixedColorDecoratorPaintStrategy, ImagePaintStrategy, MarioSonicImagePaintStrategy, MultiPaintStrategy, NiceFishPaintStrategy, PlanetImagePaintStrategy, RectanglePaintStrategy, ShapePaintStrategy, SharkImagePaintStrategy, SoccerImagePaintStrategy, SquarePaintStrategy, SwimFishPaintStrategy, UprightImagePaintStrategy, UprightShapePaintStrategy

public interface IPaintStrategy

Top-level interface that represents a strategy used by a Ball when asked to perform variant paint operations. A Ball has only one IPaintStrategy

Field Summary

Fields

Modifier and Type	Field and Description
static IPaintStrategy	NullObject The singleton null object instance for this interface, which does nothing.

Method Summary

Modifier and Type	Method and Description
void	init(Ball host) Initializes the given ball.
void	paint(java.awt.Graphics g, Ball host) Paints the host onto the given Graphics context.

Field Detail

NullObject

static final IPaintStrategy NullObject

The singleton null object instance for this interface, which does nothing.

Method Detail

paint

void paint(java.awt.Graphics g,
           Ball host)

Paints the host onto the given Graphics context. The image is translated, scaled and rotated as determined by the host's location, radius, and velocity

Parameters:

g - The graphics context to draw upon.

host - The host ball.

init

void init(Ball host)

Initializes the given ball. Called once by the ball when the strategy is first loaded.

Parameters:

host - The ball to initialize.