hevs.graphics

Class TurtleGraphics

java.lang.Object

hevs.graphics.AcceleratedDisplay

hevs.graphics.FunGraphics

hevs.graphics.TurtleGraphics

All Implemented Interfaces:

DualLayerGraphics, Graphics

public class TurtleGraphics
extends FunGraphics

Graphics class that emulates the tortoise in the Logo programming language The turtle starts looking up with a black color, pen up Basic port implementation by Pierre Roduit, rewritten for use with FunGraphics by Pierre-Andre Mudry.

Version:

2.0 Using FunGraphics as main class

Author:

Pierre-Andre Mudry

See Also:

Wikipedia description of Turtle Graphics

Field Summary

Fields

Modifier and Type	Field and Description
private double	angle
private java.awt.Color	color
private boolean	penDown
private int	x
private int	y

Fields inherited from class hevs.graphics.FunGraphics

major, minor

Fields inherited from class hevs.graphics.AcceleratedDisplay

backBuffer, backg2d, bufferStrategy, checkBorders, current_fps, DISPLAY_FPS, enableRenderingHints, fHeight, frontBuffer, frontg2d, fWidth, g2d, mainFrame, numBuffers, target_fps, TRANSPARENT, VERBOSE

Constructor Summary

Constructors

Constructor and Description
TurtleGraphics(int width, int height)
TurtleGraphics(int width, int height, java.lang.String windowName)

Method Summary

Modifier and Type	Method and Description
void	changeColor(java.awt.Color color) Change the color of drawing
void	forward(double distance) Go forward the specified distance (writing if the pen is down)
java.awt.Point	getPosition()
double	getTurtleAngle()
double	getTurtleAngleRad()
void	jump(int x, int y) Jump to a specific location (without drawing)
void	penDown() Start the writing
void	penUp() Stop the drawing
void	setAngle(double angle) Set the direction of writing to the specified angle
void	setAngleRad(double angle) Set the direction of writing to the specified angle
void	setMouseMotionManager(java.awt.event.MouseMotionListener mouseMotionListener)
void	setWidth(float w) Sets the width of the pen
void	turn(double angle) Turn the direction of writing with the specified angle
void	turnRad(double angle) Turn the direction of writing with the specified angle

Methods inherited from class hevs.graphics.FunGraphics

addMouseListener, addMouseMotionListener, clear, clear, drawBackground, drawCircle, drawFancyString, drawFilledCircle, drawFilledOval, drawFilledPolygon, drawFillRect, drawFillRect, drawForeground, drawLine, drawMirroredPicture, drawPicture, drawRect, drawRect, drawString, drawString, drawTransformedPicture, drawTransformedPicture, gameloopSample, getFrameHeight, getFrameWidth, main, setColor, setKeyManager, setPenWidth, setPixel, setPixel, setPixel

Methods inherited from class hevs.graphics.AcceleratedDisplay

displayFPS, syncGameLogic

Methods inherited from class java.lang.Object

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

Field Detail

x

private int x

y

private int y

penDown

private boolean penDown

angle

private double angle

color

private java.awt.Color color

Constructor Detail

TurtleGraphics

public TurtleGraphics(int width,
                      int height,
                      java.lang.String windowName)

TurtleGraphics

public TurtleGraphics(int width,
                      int height)

Method Detail

penDown

public void penDown()

Start the writing

changeColor

public void changeColor(java.awt.Color color)

Change the color of drawing

Parameters:

color -

penUp

public void penUp()

Stop the drawing

forward

public void forward(double distance)

Go forward the specified distance (writing if the pen is down)

Parameters:

distance - The distance to move

jump

public void jump(int x,
                 int y)

Jump to a specific location (without drawing)

Parameters:

x - X coordinate of the destination

y - Y coordinate of the destination

getPosition

public java.awt.Point getPosition()

Returns:

The location of the turtle

setWidth

public void setWidth(float w)

Sets the width of the pen

Parameters:

w -

getTurtleAngle

public double getTurtleAngle()

Returns:

The current turtle angle (in degrees)

turn

public void turn(double angle)

Turn the direction of writing with the specified angle

Parameters:

angle - specified angle in degrees

setAngle

public void setAngle(double angle)

Set the direction of writing to the specified angle

Parameters:

angle - specified angle in degrees

turnRad

public void turnRad(double angle)

Turn the direction of writing with the specified angle

Parameters:

angle - specified angle in radians

setAngleRad

public void setAngleRad(double angle)

Set the direction of writing to the specified angle

Parameters:

angle - specified angle in radians

getTurtleAngleRad

public double getTurtleAngleRad()

setMouseMotionManager

public void setMouseMotionManager(java.awt.event.MouseMotionListener mouseMotionListener)