大家好，我需要一些帮助才能让它发挥作用。在你看代码之前我只想告诉你我在做什么。我想这样做，当数字击中方框并且它适合顶部的方程时，它将增加1点并改变方程。这是我有的： （我知道代码不是很好，但这是我的第一个大项目之一，我只是在寻找一些帮助）
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class EquationFrenzy
{
public static void main(String[] args)
{
//Construct JFame object as a container for other objects
JFrame frame = new JFrame("EquationFrenzy");
//Set the dimensions of the window
frame.setSize(500, 500);
//Creates a pane for content
JPanel pane = new JPanel();
pane.setLayout(new GridLayout(1, 0, 0, 0));
//add content pane to a frame
frame.setContentPane(pane);
DrawingCanvas canvas = new DrawingCanvas();
//create a timer which refers to the object canvas
Timer myTimer = new Timer (100, canvas);//100 milliseconds
myTimer.start();
pane.add(canvas);
frame.addKeyListener(canvas);
frame.setFocusable(true);
//Make the frame full when program is run
frame.setExtendedState(JFrame.MAXIMIZED_BOTH);
//Display the frame - window
frame.setVisible(true);
//Bring the window to front
frame.toFront();
}
}
//implement action listener
class DrawingCanvas extends JPanel implements ActionListener, KeyListener
{
//define random coordinates of the number
int xPosition = (int)(getWidth()* Math.random());
int yPosition = 0;
int xPosition2 = (int)(getWidth()* Math.random());
int yPosition2 = 0;
int xPosition3 = (int)(getWidth()* Math.random());
int yPosition3 = 0;
int xPosition4 = (int)(getWidth()* Math.random());
int yPosition4 = 0;
int xPosition5 = (int)(getWidth()* Math.random());
int yPosition5 = 0;
int xPosition6 = (int)(getWidth()* Math.random());
int yPosition6 = 0;
int xPosition7 = (int)(getWidth()* Math.random());
int yPosition7 = 0;
int xPosition8 = (int)(getWidth()* Math.random());
int yPosition8 = 0;
int xPosition9 = (int)(getWidth()* Math.random());
int yPosition9 = 0;
int xPosition10 = (int)(getWidth()* Math.random());
int yPosition10 = 0;
int xPosition11 = (int)(getWidth()* Math.random());
int yPosition11 = 0;
int xPosition12 = (int)(getWidth()* Math.random());
int yPosition12 = 0;
int xPosition13 = (int)(getWidth()* Math.random());
int yPosition13 = 0;
int xPosition14 = (int)(getWidth()* Math.random());
int yPosition14 = 0;
int xPosition15 = (int)(getWidth()* Math.random());
int yPosition15 = 0;
int boxxPosition = 0;
int boxyPosition = getHeight();
int boxWidth = 70;
int boxHeight = 50;
int score;
int yspeed = (int)(20* Math.random() + 10);
int yspeed2 = (int)(21* Math.random() + 10);
int yspeed3 = (int)(22* Math.random() + 10);
int yspeed4 = (int)(23* Math.random() + 10);
int yspeed5 = (int)(24* Math.random() + 10);
int yspeed6 = (int)(25* Math.random() + 10);
int yspeed7 = (int)(24* Math.random() + 10);
int yspeed8 = (int)(23* Math.random() + 10);
int yspeed9 = (int)(22* Math.random() + 10);
int randomNumber = (int) (9* Math.random() + 1);
int randomNumber2 = (int) (9* Math.random() + 1);
int randomNumber3 = (int) (9* Math.random() + 1);
int randomNumber4 = (int) (9* Math.random() + 1);
int randomNumber5 = (int) (9* Math.random() + 1);
int randomNumber6 = (int) (9* Math.random() + 1);
int randomNumber7 = (int) (9* Math.random() + 1);
int randomNumber8 = (int) (9* Math.random() + 1);
int randomNumber9 = (int) (9* Math.random() + 1);
int randomNumber10 = (int) (9* Math.random() + 1);
int randomNumber11 = (int) (9* Math.random() + 1);
int randomNumber12 = (int) (9* Math.random() + 1);
int randomNumber13 = (int) (9* Math.random() + 1);
int randomNumber14 = (int) (9* Math.random() + 1);
int randomNumber15 = (int) (9* Math.random() + 1);
int random = (int) (9* Math.random() + 1);
int randomequation = (int) (9* Math.random() + 1);
public void paintComponent(Graphics g)
{
super.paintComponent(g);
g.setFont(new Font("TimesRoman", Font.BOLD, 50));
//get the current window width and height
int screenWidth = getWidth();
int screentHeight =getHeight();
int number = 3;
int number2 = random;
int equation = random * randomequation;
g.setColor(Color.black);
//draw a ball
g.drawString("" + randomNumber + "", xPosition, yPosition);
g.drawString("" + randomNumber2 + "", xPosition2, yPosition2);
g.drawString("" + randomNumber3 + "", xPosition3, yPosition3);
g.drawString("" + randomNumber4 + "", xPosition4, yPosition4);
g.drawString("" + randomNumber5 + "", xPosition5, yPosition5);
g.drawString("" + randomNumber6 + "", xPosition6, yPosition6);
g.drawString("" + randomNumber7 + "", xPosition7, yPosition7);
g.drawString("" + randomNumber8 + "", xPosition8, yPosition8);
g.drawString("" + randomNumber9 + "", xPosition9, yPosition9);
g.drawString("" + randomNumber10 + "", xPosition10, yPosition10);
g.drawString("" + randomNumber11 + "", xPosition11, yPosition11);
g.drawString("" + randomNumber12 + "", xPosition12, yPosition12);
g.drawString("" + randomNumber13 + "", xPosition13, yPosition13);
g.drawString("" + randomNumber14 + "", xPosition14, yPosition14);
g.drawString("" + randomNumber15 + "", xPosition15, yPosition15);
//Draw equation
g.drawString("__ X " + number2 + " = " + equation + "", 100, 100);
//Draw score
g.drawString("Points: " + score + "", 1200, 100);
//draw black box
g.setColor(Color.black);
g.fillRect(boxxPosition, getHeight()- boxHeight, boxWidth, boxHeight);
}
//write the content for actionPerformed by a timer
public void actionPerformed(ActionEvent e)
{
//if the ball reaches the bottom side of the window change the direction
if (yPosition > getHeight())
{
yPosition = 0;
xPosition = (int)(getWidth()* Math.random());
randomNumber = (int) (9* Math.random() + 1);
yspeed = (int)(20* Math.random() + 10);
}
yPosition += yspeed;
repaint();
if (yPosition2 > getHeight())
{
yPosition2 = 0;
xPosition2 = (int)(getWidth()* Math.random());
randomNumber2 = (int) (9* Math.random() + 1);
yspeed2 = (int)(23* Math.random() + 10);
}
yPosition2 += yspeed2;
repaint();
if (yPosition3 > getHeight())
{
yPosition3 = 0;
xPosition3 = (int)(getWidth()* Math.random());
randomNumber3 = (int) (9* Math.random() + 1);
yspeed3 = (int)(25* Math.random() + 10);
}
yPosition3 += yspeed3;
repaint();
if (yPosition4 > getHeight())
{
yPosition4 = 0;
xPosition4 = (int)(getWidth()* Math.random());
randomNumber4 = (int) (9* Math.random() + 1);
yspeed4 = (int)(27* Math.random() + 10);
}
yPosition4 += yspeed4;
repaint();
if (yPosition5 > getHeight())
{
yPosition5 = 0;
xPosition5 = (int)(getWidth()* Math.random());
randomNumber5 = (int) (9* Math.random() + 1);
yspeed5 = (int)(19* Math.random() + 10);
}
yPosition5 += yspeed5;
repaint();
if (yPosition6 > getHeight())
{
yPosition6 = 0;
xPosition6 = (int)(getWidth()* Math.random());
randomNumber6 = (int) (9* Math.random() + 1);
yspeed6 = (int)(17* Math.random() + 10);
}
yPosition6 += yspeed6;
repaint();
if (yPosition7 > getHeight())
{
yPosition7 = 0;
xPosition7 = (int)(getWidth()* Math.random());
randomNumber7 = (int) (9* Math.random() + 1);
yspeed7 = (int)(29* Math.random() + 10);
}
yPosition7 += yspeed7;
repaint();
if (yPosition8 > getHeight())
{
yPosition8 = 0;
xPosition8 = (int)(getWidth()* Math.random());
randomNumber8 = (int) (9* Math.random() + 1);
yspeed8 = (int)(30* Math.random() + 10);
}
yPosition8 += yspeed8;
repaint();
if (yPosition9 > getHeight())
{
yPosition9 = 0;
xPosition9 = (int)(getWidth()* Math.random());
randomNumber9 = (int) (9* Math.random() + 1);
yspeed9 = (int)(20* Math.random() + 10);
}
yPosition9 += yspeed9;
repaint();
if (yPosition10 > getHeight())
{
yPosition10 = 0;
xPosition10 = (int)(getWidth()* Math.random());
randomNumber10 = (int) (9* Math.random() + 1);
yspeed9 = (int)(20* Math.random() + 10);
}
yPosition10 += yspeed4;
repaint();
if (yPosition11 > getHeight())
{
yPosition11 = 0;
xPosition11 = (int)(getWidth()* Math.random());
randomNumber11 = (int) (9* Math.random() + 1);
yspeed9 = (int)(20* Math.random() + 10);
}
yPosition11 += yspeed2;
repaint();
if (yPosition12 > getHeight())
{
yPosition12 = 0;
xPosition12 = (int)(getWidth()* Math.random());
randomNumber12 = (int) (9* Math.random() + 1);
yspeed9 = (int)(20* Math.random() + 10);
}
yPosition12 += yspeed6;
repaint();
if (yPosition13 > getHeight())
{
yPosition13 = 0;
xPosition13 = (int)(getWidth()* Math.random());
randomNumber13 = (int) (9* Math.random() + 1);
yspeed9 = (int)(20* Math.random() + 10);
}
yPosition13 += yspeed8;
repaint();
if (yPosition14 > getHeight())
{
yPosition14 = 0;
xPosition14 = (int)(getWidth()* Math.random());
randomNumber14 = (int) (9* Math.random() + 1);
yspeed9 = (int)(20* Math.random() + 10);
}
yPosition14 += yspeed;
repaint();
if (yPosition15 > getHeight())
{
yPosition15 = 0;
xPosition15 = (int)(getWidth()* Math.random());
randomNumber15 = (int) (9* Math.random() + 1);
yspeed9 = (int)(20* Math.random() + 10);
}
yPosition15 += yspeed9;
repaint();
}
//write the content for all key methods
public void keyPressed(KeyEvent e)
{
switch (e.getKeyCode())
{
case KeyEvent.VK_LEFT:
boxxPosition -= 10; break;
case KeyEvent.VK_RIGHT:
boxxPosition += 10; break;
}
repaint();
}
public void keyReleased(KeyEvent e)
{
}
public void keyTyped(KeyEvent e)
{
}
}
由于
答案 0 :(得分：0)
当数字到达方框并且它符合顶部的方程式时，它将增加1个点并改变方程式
我假设你不知道如何开始这部分编码，因为我没有看到任何代码处理黑匣子与你的数字之间的冲突。
您需要以下代码：
让我知道您正在努力解决哪些问题。如果您愿意，我也可以尝试帮助您改进当前的代码。