serpiente
Class MiCanvas

java.lang.Object
  java.awt.Component
      java.awt.Canvas
          serpiente.MiCanvas

All Implemented Interfaces:

java.awt.event.KeyListener, java.awt.event.MouseListener, java.awt.image.ImageObserver, java.awt.MenuContainer, java.io.Serializable, java.util.EventListener, javax.accessibility.Accessible

public class MiCanvas
extends java.awt.Canvas
implements java.awt.event.KeyListener, java.awt.event.MouseListener

Representa el panel donde se dibujan la serpiente, ratones y rejilla. Se encarga también de recibir los eventos de teclado para cambiar la dirección de movimiento de la serpiente.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class java.awt.Canvas

java.awt.Canvas.AccessibleAWTCanvas

Nested classes/interfaces inherited from class java.awt.Component

java.awt.Component.AccessibleAWTComponent, java.awt.Component.BltBufferStrategy, java.awt.Component.FlipBufferStrategy

Field Summary

private java.awt.Image	imageBuffer
private Mueve	mueve
private Rejilla	rejilla
private Serpiente	serpiente

Fields inherited from class java.awt.Component

BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT

Fields inherited from interface java.awt.image.ImageObserver

ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH

Constructor Summary

MiCanvas(Rejilla rej, Serpiente serp)

Method Summary

private void	dibujaRejilla(java.awt.Graphics g) Método usado por el método paint(Graphics) para dibujar el contenido del panel (Bloques, serpiente y ratones)
boolean	isFocusTraversable()
void	keyPressed(java.awt.event.KeyEvent evt) M�todo llamado autom�ticamente cuando se produce un evento de pulsaci�n de tecla en el panel.
void	keyReleased(java.awt.event.KeyEvent evt)
void	keyTyped(java.awt.event.KeyEvent evt)
void	mouseClicked(java.awt.event.MouseEvent e)
void	mouseEntered(java.awt.event.MouseEvent e)
void	mouseExited(java.awt.event.MouseEvent e)
void	mousePressed(java.awt.event.MouseEvent e)
void	mouseReleased(java.awt.event.MouseEvent e)
void	paint(java.awt.Graphics g) Repinta el contenido del panel.
void	setMueve(Mueve m) Pone un valor al campo mueve (referencia a un objeto de la clase Mueve) de este objeto
void	update(java.awt.Graphics g)

Methods inherited from class java.awt.Canvas

addNotify, createBufferStrategy, createBufferStrategy, getAccessibleContext, getBufferStrategy

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, bounds, checkImage, checkImage, coalesceEvents, contains, contains, createImage, createImage, createVolatileImage, createVolatileImage, deliverEvent, disable, disableEvents, dispatchEvent, doLayout, enable, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getAlignmentX, getAlignmentY, getBackground, getBounds, getBounds, getColorModel, getComponentAt, getComponentAt, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeys, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphics, getGraphicsConfiguration, getHeight, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getListeners, getLocale, getLocation, getLocation, getLocationOnScreen, getMaximumSize, getMinimumSize, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPeer, getPreferredSize, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getSize, getToolkit, getTreeLock, getWidth, getX, getY, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, invalidate, isBackgroundSet, isCursorSet, isDisplayable, isDoubleBuffered, isEnabled, isFocusable, isFocusCycleRoot, isFocusOwner, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isOpaque, isPreferredSizeSet, isShowing, isValid, isVisible, keyDown, keyUp, layout, list, list, list, list, list, locate, location, lostFocus, minimumSize, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, paramString, postEvent, preferredSize, prepareImage, prepareImage, print, printAll, processComponentEvent, processEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processKeyEvent, processMouseEvent, processMouseMotionEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removeNotify, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, repaint, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, reshape, resize, resize, setBackground, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setEnabled, setFocusable, setFocusTraversalKeys, setFocusTraversalKeysEnabled, setFont, setForeground, setIgnoreRepaint, setLocale, setLocation, setLocation, setMaximumSize, setMinimumSize, setName, setPreferredSize, setSize, setSize, setVisible, show, show, size, toString, transferFocus, transferFocusBackward, transferFocusUpCycle, validate

Methods inherited from class java.lang.Object

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

Field Detail

rejilla

private Rejilla rejilla

serpiente

private Serpiente serpiente

imageBuffer

private java.awt.Image imageBuffer

mueve

private Mueve mueve

Constructor Detail

MiCanvas

MiCanvas(Rejilla rej,
         Serpiente serp)

Method Detail

setMueve

public void setMueve(Mueve m)

Pone un valor al campo mueve (referencia a un objeto de la clase Mueve) de este objeto

Parameters:

m - una referencia a un objeto de la clase Mueve (hebra encargada de mover serpiente y ratones)

paint

public void paint(java.awt.Graphics g)

Repinta el contenido del panel. Será llamado cada vez que el panel necesita repintarse

Overrides:

paint in class java.awt.Canvas

Parameters:

g - una referencia de la clase Graphics

update

public void update(java.awt.Graphics g)

Overrides:

update in class java.awt.Canvas

dibujaRejilla

private void dibujaRejilla(java.awt.Graphics g)

Método usado por el método paint(Graphics) para dibujar el contenido del panel (Bloques, serpiente y ratones)

Parameters:

g - una referencia de la clase Graphics

isFocusTraversable

public boolean isFocusTraversable()

Overrides:

isFocusTraversable in class java.awt.Component

mouseClicked

public void mouseClicked(java.awt.event.MouseEvent e)

Specified by:

mouseClicked in interface java.awt.event.MouseListener

mouseEntered

public void mouseEntered(java.awt.event.MouseEvent e)

Specified by:

mouseEntered in interface java.awt.event.MouseListener

mouseExited

public void mouseExited(java.awt.event.MouseEvent e)

Specified by:

mouseExited in interface java.awt.event.MouseListener

mousePressed

public void mousePressed(java.awt.event.MouseEvent e)

Specified by:

mousePressed in interface java.awt.event.MouseListener

mouseReleased

public void mouseReleased(java.awt.event.MouseEvent e)

Specified by:

mouseReleased in interface java.awt.event.MouseListener

keyTyped

public void keyTyped(java.awt.event.KeyEvent evt)

Specified by:

keyTyped in interface java.awt.event.KeyListener

keyPressed

public void keyPressed(java.awt.event.KeyEvent evt)

M�todo llamado autom�ticamente cuando se produce un evento de pulsaci�n de tecla en el panel. Se controlana las teclas de cursor para cambiar direcci�n de la serpiente, y la tecla espaciadora para detener el movimiento de la serpiente

Specified by:

keyPressed in interface java.awt.event.KeyListener

Parameters:

evt - una refencia a objeto de la clase KeyEvent

keyReleased

public void keyReleased(java.awt.event.KeyEvent evt)

Specified by:

keyReleased in interface java.awt.event.KeyListener