Java 如何添加玩家移动
我做了一个迷宫,加了一个红方块来代表玩家。为了实现并允许用户通过我的迷宫,我必须做些什么?我之前做的是创建一个单独的类来扩展JPanel并实现actionListener,但没有成功。因此,我正在寻找一种替代方法和一些更容易建立的方法Java 如何添加玩家移动,java,maze,Java,Maze,我做了一个迷宫,加了一个红方块来代表玩家。为了实现并允许用户通过我的迷宫,我必须做些什么?我之前做的是创建一个单独的类来扩展JPanel并实现actionListener,但没有成功。因此,我正在寻找一种替代方法和一些更容易建立的方法 import java.awt.*; import javax.swing.*; import java.awt.event.*; // Needed for ActionListener import javax.swing.event.*; // Need
import java.awt.*;
import javax.swing.*;
import java.awt.event.*; // Needed for ActionListener
import javax.swing.event.*; // Needed for ActionListener
import java.awt.Graphics;
import java.awt.event.ActionEvent;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.event.ActionListener;
import javax.swing.JPanel;
import javax.swing.Timer;
public class www extends JFrame
{
static Maze maze = new Maze ();
static Timer t;
//======================================================== constructor
public www ()
{
// 1... Create/initialize components
// 2... Create content pane, set layout
JPanel content = new JPanel (); // Create a content pane
content.setLayout (new BorderLayout ()); // Use BorderLayout for panel
JPanel north = new JPanel ();
north.setLayout (new FlowLayout ()); // Use FlowLayout for input area
DrawArea board = new DrawArea (500, 500);
// 3... Add the components to the input area.
content.add (north, "North"); // Input area
content.add (board, "South"); // Output area
// 4... Set this window's attributes.
setContentPane (content);
pack ();
setTitle ("MAZE");
setSize (490, 500);
setDefaultCloseOperation (JFrame.EXIT_ON_CLOSE);
setLocationRelativeTo (null); // Center window.
}
public static void main (String[] args)
{
www window = new www ();
window.setVisible (true);
//jf.setTitle("Tutorial");
//jf.setSize(600,400);
}
class DrawArea extends JPanel
{
public DrawArea (int width, int height)
{
this.setPreferredSize (new Dimension (width, height)); // size
}
public void paintComponent (Graphics g)
{
maze.show (g); // display current state of colony
}
}
}
class Maze
{
private int grid [][];
public Maze ()
{
int [][] maze =
{ {1,0,1,1,1,1,1,1,1,1,1,1,1},
{1,0,1,0,1,0,1,0,0,0,0,0,1},
{1,0,1,0,0,0,1,0,1,1,1,0,1},
{1,0,0,0,1,1,1,0,0,0,0,0,1},
{1,0,1,0,0,0,0,0,1,1,1,0,1},
{1,0,1,0,1,1,1,0,1,0,0,0,1},
{1,0,1,0,1,0,0,0,1,1,1,0,1},
{1,0,1,0,1,1,1,0,1,0,1,0,1},
{1,0,0,0,0,0,0,0,0,0,1,0,1},
{1,1,1,1,1,1,1,1,1,1,1,0,1}};
grid = maze;
}
public void show (Graphics g)
{
for (int row = 0 ; row < grid.length ; row++)
for (int col = 0 ; col < grid [0].length ; col++)
{
if (grid [row] [col] == 1) // life
g.setColor (Color.black);
else
g.setColor (Color.white);
g.fillRect (col * 30 + 30, row * 30 + 30, 30, 30); // draw life form
}
g.setColor(Color.RED);
g.fillRect(60,30,30,50);
}
// public void player ()
// {
//
// Timer tm = new Timer(5,this);
// int x = 0;
// int y = 0;
// int velX = 0 ;
// int velY = 0;tm.start();
// addKeyListener(this);
// setFocusable(true);
// setFocusTraversalKeysEnabled(false);
// }
// public void actionPerformed(ActionEvent e)
// {
// x = x+velX;
// y = y +velY;
// repaint();
// }
// public void keyPressed(KeyEvent e)
// {
// int c = e.getKeyCode();
// if(c == KeyEvent.VK_LEFT)
// {
// velX = -1;
// velY = 0;
// }
// if (c == KeyEvent.VK_UP)
// {
// velX = 0;
// velY = -1;
// }
// if( c==KeyEvent.VK_RIGHT)
// {
// velX = 1;
// velY = 0;
// }
// if(c==KeyEvent.VK_DOWN)
// {
// velX = 0;
// velY = 1;
// }
// }
//
// public void keyTyped(KeyEvent e){}
//
// public void keyReleased(KeyEvent e){}
}
import java.awt.*;
导入javax.swing.*;
导入java.awt.event.*;//ActionListener需要
导入javax.swing.event.*;//ActionListener需要
导入java.awt.Graphics;
导入java.awt.event.ActionEvent;
导入java.awt.event.KeyEvent;
导入java.awt.event.KeyListener;
导入java.awt.event.ActionListener;
导入javax.swing.JPanel;
导入javax.swing.Timer;
公共类www扩展JFrame
{
静态迷宫=新迷宫();
静态定时器t;
//====================================================================================构造函数
公共www()
{
//1…创建/初始化组件
//2…创建内容窗格,设置布局
JPanel content=newjpanel();//创建内容窗格
content.setLayout(新的BorderLayout());//对面板使用BorderLayout
JPanel north=新的JPanel();
north.setLayout(新的FlowLayout());//对输入区域使用FlowLayout
绘图区板=新绘图区(500500);
//3…将组件添加到输入区域。
content.add(北,“北”);//输入区域
content.add(board,“South”);//输出区域
//4…设置此窗口的属性。
setContentPane(内容);
包装();
片名(“迷宫”);
设置大小(490500);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setLocationRelativeTo(null);//中心窗口。
}
公共静态void main(字符串[]args)
{
www window=newwww();
window.setVisible(true);
//jf.setTitle(“教程”);
//jf.设置尺寸(600400);
}
类DrawArea扩展了JPanel
{
公共绘图区(内部宽度、内部高度)
{
this.setPreferredSize(新尺寸(宽度、高度));//尺寸
}
公共组件(图形g)
{
maze.show(g);//显示菌落的当前状态
}
}
}
班级迷宫
{
专用整数网格[];
公共迷宫()
{
int[][]迷宫=
{ {1,0,1,1,1,1,1,1,1,1,1,1,1},
{1,0,1,0,1,0,1,0,0,0,0,0,1},
{1,0,1,0,0,0,1,0,1,1,1,0,1},
{1,0,0,0,1,1,1,0,0,0,0,0,1},
{1,0,1,0,0,0,0,0,1,1,1,0,1},
{1,0,1,0,1,1,1,0,1,0,0,0,1},
{1,0,1,0,1,0,0,0,1,1,1,0,1},
{1,0,1,0,1,1,1,0,1,0,1,0,1},
{1,0,0,0,0,0,0,0,0,0,1,0,1},
{1,1,1,1,1,1,1,1,1,1,1,0,1}};
网格=迷宫;
}
公共空间展示(图g)
{
对于(int row=0;row
您的www
类是一个JFrame(扩展),因此您可以向其添加keyListener
,如下所示:
首先创建一个名为MyKeyListener
的新类:
class MyKeyListener extends KeyAdapter {
public void keyPressed(KeyEvent e)
{
int c = e.getKeyCode();
if(c == KeyEvent.VK_LEFT)
{
velX = -1;
velY = 0;
}
if (c == KeyEvent.VK_UP)
{
velX = 0;
velY = -1;
}
if( c==KeyEvent.VK_RIGHT)
{
velX = 1;
velY = 0;
}
if(c==KeyEvent.VK_DOWN)
{
velX = 0;
velY = 1;
}
}
}
(你写的是正确的)
然后在初始化www类时执行以下操作:
setKeyListener(new MyKeyListener());
这将向整个JFrame添加一个键侦听器,它将把键侦听器应用于整个网格
编辑:将代码更改为:
public www ()
{
// 1... Create/initialize components
// 2... Create content pane, set layout
JPanel content = new JPanel (); // Create a content pane
content.setLayout (new BorderLayout ()); // Use BorderLayout for panel
JPanel north = new JPanel ();
north.setLayout (new FlowLayout ()); // Use FlowLayout for input area
DrawArea board = new DrawArea (500, 500);
// 3... Add the components to the input area.
content.add (north, "North"); // Input area
content.add (board, "South"); // Output area
// 4... Set this window's attributes.
setContentPane (content);
pack ();
setTitle ("MAZE");
setSize (490, 500);
setKeyListener(new MyKeylistener());
setDefaultCloseOperation (JFrame.EXIT_ON_CLOSE);
setLocationRelativeTo (null); // Center window.
}
Ik您必须使用keylistener,但在何处实现,以便它与网格一起工作,而不是在单独的帧/面板上。您在何处使用它statement@FN20我改了。现在清楚了吗?出于某种原因,上面写着“找不到符号mykeyListener”@TheProgrammerG:你可能正在输入一个@HovercraftFullOfEels是的。有点累。