另一个问题，相同的程序：
下面是MainGUI.java
import java.awt.*;
import java.awt.event.*;
import java.net.*;
import java.util.*;
import javax.swing.*;
import javax.swing.Timer;
public class MainGUI extends JFrame implements ActionListener
{
private static final long serialVersionUID = 4149825008429377286L;
private final double version = 8;
public static int rows;
public static int columns;
private int totalCells;
private MainCell[] cell;
public static Color userColor;
JTextField speed = new JTextField("250");
Timer timer = new Timer(250,this);
String generationText = "Generation: 0";
JLabel generationLabel = new JLabel(generationText);
int generation = 0;
public MainGUI(String title, int r, int c)
{
rows = r;
columns = c;
totalCells = r*c;
System.out.println(totalCells);
cell = new MainCell[totalCells];
setTitle(title);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
//Timer set up
timer.setInitialDelay(Integer.parseInt(speed.getText()));
timer.setActionCommand("timer");
//set up menu bar
JMenuBar menuBar = new JMenuBar();
JMenu optionsMenu = new JMenu("Options");
JMenu aboutMenu = new JMenu("About");
menuBar.add(optionsMenu);
menuBar.add(aboutMenu);
JMenuItem helpButton = new JMenuItem("Help!");
helpButton.addActionListener(this);
helpButton.setActionCommand("help");
aboutMenu.add(helpButton);
JMenuItem aboutButton = new JMenuItem("About");
aboutButton.addActionListener(this);
aboutButton.setActionCommand("about");
aboutMenu.add(aboutButton);
JMenuItem colorSelect = new JMenuItem("Select a Custom Color");
colorSelect.addActionListener(this);
colorSelect.setActionCommand("colorSelect");
optionsMenu.add(colorSelect);
JMenuItem sizeChooser = new JMenuItem("Define a Custom Size");
sizeChooser.addActionListener(this);
sizeChooser.setActionCommand("sizeChooser");
optionsMenu.add(sizeChooser);
//Create text field to adjust speed and its label
JPanel speedContainer = new JPanel();
JLabel speedLabel = new JLabel("Enter the speed of a life cycle (in ms):");
speedContainer.add(speedLabel);
speedContainer.add(speed);
speedContainer.add(generationLabel);
Dimension speedDim = new Dimension(100,25);
speed.setPreferredSize(speedDim);
//Create various buttons
JPanel buttonContainer = new JPanel();
JButton randomizerButton = new JButton("Randomize");
randomizerButton.addActionListener(this);
randomizerButton.setActionCommand("randomize");
buttonContainer.add(randomizerButton);
JButton nextButton = new JButton("Next"); //forces a cycle to occur
nextButton.addActionListener(this);
nextButton.setActionCommand("check");
buttonContainer.add(nextButton);
JButton startButton = new JButton("Start");
startButton.addActionListener(this);
startButton.setActionCommand("start");
buttonContainer.add(startButton);
JButton stopButton = new JButton("Stop");
stopButton.addActionListener(this);
stopButton.setActionCommand("stop");
buttonContainer.add(stopButton);
JButton clearButton = new JButton("Clear");
clearButton.addActionListener(this);
clearButton.setActionCommand("clear");
buttonContainer.add(clearButton);
//holds the speed container and button container, keeps it neat
JPanel functionContainer = new JPanel();
BoxLayout functionLayout = new BoxLayout(functionContainer, BoxLayout.PAGE_AXIS);
functionContainer.setLayout(functionLayout);
functionContainer.add(speedContainer);
speedContainer.setAlignmentX(CENTER_ALIGNMENT);
functionContainer.add(buttonContainer);
buttonContainer.setAlignmentX(CENTER_ALIGNMENT);
//finish up with the cell container
GridLayout cellLayout = new GridLayout(rows,columns);
JPanel cellContainer = new JPanel(cellLayout);
cellContainer.setBackground(Color.black);
int posX = 0;
int posY = 0;
for(int i=0;i<totalCells;i++)
{
MainCell childCell = new MainCell();
cell[i] = childCell;
childCell.setName(String.valueOf(i));
childCell.setPosX(posX);
posX++;
childCell.setPosY(posY);
if(posX==columns)
{
posX = 0;
posY++;
}
cellContainer.add(childCell);
childCell.deactivate();
Graphics g = childCell.getGraphics();
childCell.paint(g);
}
//make a default color
userColor = Color.yellow;
//change icon
URL imgURL = getClass().getResource("images/gol.gif");
ImageIcon icon = new ImageIcon(imgURL);
System.out.println(icon);
setIconImage(icon.getImage());
//add it all up and pack
JPanel container = new JPanel();
BoxLayout containerLayout = new BoxLayout(container, BoxLayout.PAGE_AXIS);
container.setLayout(containerLayout);
container.add(cellContainer);
container.add(functionContainer);
add(menuBar);
setJMenuBar(menuBar);
add(container);
pack();
}
private void checkCells()
{
//perform check for every cell
for(int i=0;i<totalCells;i++)
{
cell[i].setNeighbors(checkNeighbors(i));
}
//use value from check to determine life
for(int i=0;i<totalCells;i++)
{
int neighbors = cell[i].getNeighbors();
if(cell[i].isActivated())
{
System.out.println(cell[i].getName()+" "+neighbors);
if(neighbors==0||neighbors==1||neighbors>3)
{
cell[i].deactivate();
}
}
if(cell[i].isActivated()==false)
{
if(neighbors==3)
{
cell[i].activate();
}
}
}
}
public void actionPerformed(ActionEvent e)
{
if(e.getActionCommand().equals("randomize"))
{
Random rn = new Random();
for(int i=0;i<totalCells;i++)
{
cell[i].deactivate();
if(rn.nextInt(6)==0)
{
cell[i].activate();
}
}
}
//help button, self-explanatory
if(e.getActionCommand().equals("help"))
{
JOptionPane.showMessageDialog(this, "The game is governed by four rules:\nFor a space that is 'populated':"
+ "\n Each cell with one or no neighbors dies, as if by loneliness."
+ "\n Each cell with four or more neighbors dies, as if by overpopulation."
+ "\n Each cell with two or three neighbors survives."
+ "\nFor a space that is 'empty' or 'unpopulated':"
+ "\n Each cell with three neighbors becomes populated."
+ "\nLeft click populates cells. Right click depopulates cells.","Rules:",JOptionPane.PLAIN_MESSAGE);
}
//shameless self promotion
if(e.getActionCommand().equals("about"))
{
JOptionPane.showMessageDialog(this, "Game made and owned by *****!"
+ "\nFree usage as see fit, but give credit where credit is due!\nVERSION: "+version,"About:",JOptionPane.PLAIN_MESSAGE);
}
//clears all the cells
if(e.getActionCommand().equals("clear"))
{
timer.stop();
generation = 0;
generationText = "Generation: "+generation;
generationLabel.setText(generationText);
for(int i=0;i<totalCells;i++)
{
cell[i].deactivate();
}
}
//starts timer
if(e.getActionCommand().equals("start"))
{
if(Integer.parseInt(speed.getText())>0)
{
timer.setDelay(Integer.parseInt(speed.getText()));
timer.restart();
}
else
{
JOptionPane.showMessageDialog(this, "Please use a value greater than 0!","Rules:",JOptionPane.ERROR_MESSAGE);
}
}
//stops timer
if(e.getActionCommand().equals("stop"))
{
timer.stop();
}
//run when timer
if(e.getActionCommand().equals("timer"))
{
generation++;
generationText = "Generation: "+generation;
generationLabel.setText(generationText);
timer.stop();
checkCells();
timer.setInitialDelay(Integer.parseInt(speed.getText()));
timer.restart();
}
//see checkCells()
if(e.getActionCommand().equals("check"))
{
generation++;
generationText = "Generation: "+generation;
generationLabel.setText(generationText);
checkCells();
}
//color select gui
if(e.getActionCommand().equals("colorSelect"))
{
userColor = JColorChooser.showDialog(this, "Choose a color:", userColor);
if(userColor==null)
{
userColor = Color.yellow;
}
}
//size chooser!
if(e.getActionCommand().equals("sizeChooser"))
{
SizeChooser size = new SizeChooser();
size.setLocationRelativeTo(null);
size.setVisible(true);
}
}
private int checkNeighbors(int c)
{
//if a LIVE neighbor is found, add one
int neighbors = 0;
if(cell[c].getPosX()!=0&&cell[c].getPosY()!=0)
{
if(c-columns-1>=0)
{
if(cell[c-columns-1].isActivated())
{
System.out.println(cell[c].getName()+" found "+cell[c-columns-1].getName());
neighbors++;
}
}
}
if(cell[c].getPosY()!=0)
{
if(c-columns>=0)
{
if(cell[c-columns].isActivated())
{
System.out.println(cell[c].getName()+" found "+cell[c-columns].getName());
neighbors++;
}
}
}
if(cell[c].getPosX()!=columns-1&&cell[c].getPosY()!=0)
{
if(c-columns+1>=0)
{
if(cell[c-columns+1].isActivated())
{
System.out.println(cell[c].getName()+" found "+cell[c-columns+1].getName());
neighbors++;
}
}
}
if(cell[c].getPosX()!=0)
{
if(c-1>=0)
{
if(cell[c-1].isActivated())
{
System.out.println(cell[c].getName()+" found "+cell[c-1].getName());
neighbors++;
}
}
}
if(cell[c].getPosX()!=columns-1)
{
if(c+1<totalCells)
{
if(cell[c+1].isActivated())
{
System.out.println(cell[c].getName()+" found "+cell[c+1].getName());
neighbors++;
}
}
}
if(cell[c].getPosX()!=0&&cell[c].getPosY()!=rows-1)
{
if(c+columns-1<totalCells)
{
if(cell[c+columns-1].isActivated())
{
System.out.println(cell[c].getName()+" found "+cell[c+columns-1].getName());
neighbors++;
}
}
}
if(cell[c].getPosY()!=rows-1&&cell[c].getPosY()!=rows-1)
{
if(c+columns<totalCells)
{
if(cell[c+columns].isActivated())
{
System.out.println(cell[c].getName()+" found "+cell[c+columns].getName());
neighbors++;
}
}
}
if(cell[c].getPosX()!=columns-1&&cell[c].getPosY()!=rows-1)
{
if(c+columns+1<totalCells)
{
if(cell[c+columns+1].isActivated())
{
System.out.println(cell[c].getName()+" found "+cell[c+columns+1].getName());
neighbors++;
}
}
}
return neighbors;
}
}
以下是MainCell.java：
public class MainCell extends JPanel implements MouseListener
{
//everything here should be self-explanatory
private static final long serialVersionUID = 1761933778208900172L;
private boolean activated = false;
public static boolean leftMousePressed;
public static boolean rightMousePressed;
private int posX = 0;
private int posY = 0;
private int neighbors = 0;
private URL cellImgURL_1 = getClass().getResource("images/cellImage_1.gif");
private ImageIcon cellImageIcon_1 = new ImageIcon(cellImgURL_1);
private Image cellImage_1 = cellImageIcon_1.getImage();
private URL cellImgURL_2 = getClass().getResource("images/cellImage_2.gif");
private ImageIcon cellImageIcon_2 = new ImageIcon(cellImgURL_2);
private Image cellImage_2 = cellImageIcon_2.getImage();
private URL cellImgURL_3 = getClass().getResource("images/cellImage_3.gif");
private ImageIcon cellImageIcon_3 = new ImageIcon(cellImgURL_3);
private Image cellImage_3 = cellImageIcon_3.getImage();
public MainCell()
{
Dimension dim = new Dimension(17, 17);
setPreferredSize(dim);
addMouseListener(this);
}
public void activate()
{
setBackground(MainGUI.userColor);
System.out.println(getName()+" "+posX+","+posY+" activated");
setActivated(true);
}
protected void paintComponent(Graphics g)
{
super.paintComponent(g);
if(getPosX()==MainGUI.columns-1&&getPosY()==0)
{
//do nothing
}
else if(getPosY()!=0&&getPosX()!=MainGUI.columns-1)
{
g.drawImage(cellImage_1,0,0,null);
}
else if(getPosY()==0)
{
g.drawImage(cellImage_2,0,0,null);
}
else if(getPosX()==MainGUI.columns-1)
{
g.drawImage(cellImage_3,0,0,null);
}
}
public void setActivated(boolean b)
{
activated = b;
}
public void deactivate()
{
setBackground(Color.gray);
System.out.println(getName()+" "+posX+","+posY+" deactivated");
setActivated(false);
}
public boolean isActivated()
{
return activated;
}
public void setNeighbors(int i)
{
neighbors = i;
}
public int getNeighbors()
{
return neighbors;
}
public int getPosX()
{
return posX;
}
public void setPosX(int x)
{
posX = x;
}
public int getPosY()
{
return posY;
}
public void setPosY(int y)
{
posY = y;
}
public void mouseClicked(MouseEvent e)
{
}
public void mouseEntered(MouseEvent e)
{
if(leftMousePressed&&SwingUtilities.isLeftMouseButton(e))
{
activate();
}
if(rightMousePressed&&SwingUtilities.isRightMouseButton(e))
{
deactivate();
}
}
public void mouseExited(MouseEvent e)
{
}
public void mousePressed(MouseEvent e)
{
if(SwingUtilities.isRightMouseButton(e)&&!leftMousePressed)
{
deactivate();
rightMousePressed = true;
}
if(SwingUtilities.isLeftMouseButton(e)&&!rightMousePressed)
{
activate();
leftMousePressed = true;
}
}
public void mouseReleased(MouseEvent e)
{
if(SwingUtilities.isRightMouseButton(e))
{
rightMousePressed = false;
}
if(SwingUtilities.isLeftMouseButton(e))
{
leftMousePressed = false;
}
}
}
以下是 SizeChooser.java：
import java.awt.*;
import java.awt.event.*;
import java.net.URL;
import javax.swing.*;
public class SizeChooser extends JFrame
{
private static final long serialVersionUID = -6431709376438241788L;
public static MainGUI GUI;
private static Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
JTextField rowsTextField = new JTextField(String.valueOf((screenSize.height/17)-15));
JTextField columnsTextField = new JTextField(String.valueOf((screenSize.width/17)-10));
private static int rows = screenSize.height/17-15;
private static int columns = screenSize.width/17-10;
public SizeChooser()
{
setResizable(false);
setTitle("Select a size!");
JPanel container = new JPanel();
BoxLayout containerLayout = new BoxLayout(container, BoxLayout.PAGE_AXIS);
container.setLayout(containerLayout);
add(container);
JLabel rowsLabel = new JLabel("Rows:");
container.add(rowsLabel);
container.add(rowsTextField);
JLabel columnsLabel = new JLabel("Columns:");
container.add(columnsLabel);
container.add(columnsTextField);
JButton confirmSize = new JButton("Confirm");
confirmSize.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent e)
{
GUI.setVisible(false);
GUI = null;
if(Integer.parseInt(rowsTextField.getText())>0)
{
rows = Integer.parseInt(rowsTextField.getText());
}
else
{
JOptionPane.showMessageDialog(rootPane, "Please use a value greater than 0!","Rules:",JOptionPane.ERROR_MESSAGE);
}
if(Integer.parseInt(columnsTextField.getText())>0)
{
columns = Integer.parseInt(columnsTextField.getText());
}
else
{
JOptionPane.showMessageDialog(rootPane, "Please use a value greater than 0!","Rules:",JOptionPane.ERROR_MESSAGE);
}
GUI = new MainGUI("The Game of Life!", rows, columns);
GUI.setLocationRelativeTo(null);
GUI.setVisible(true);
setVisible(false);
}
});
container.add(confirmSize);
URL imgURL = getClass().getResource("images/gol.gif");
ImageIcon icon = new ImageIcon(imgURL);
System.out.println(icon);
setIconImage(icon.getImage());
pack();
}
public static void main(String[]args)
{
GUI = new MainGUI("The Game of Life!", rows, columns);
GUI.setLocationRelativeTo(null);
GUI.setVisible(true);
}
}
所以现在的问题是，当按下随机化按钮，或者存在大量单元格然后启动计时器时，单元格不像活动较少的单元格那样活泼。例如，对于 100 列和 50 行，当按下随机按钮时，一个单元格激活，然后是下一个单元格，然后是另一个单元格，依此类推。我可以让它们同时激活吗？这只是一次计算太多东西的问题吗？并发会有帮助吗？
快速编辑：摇摆计时器是这个项目的最佳创意吗？