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Title Moving Ball Application Using Java Beans
Author Satish.K
Author Email fly_sati [at] yahoo.co.in
Description
Category Java » Algorithms
Hits 36433
Code Select and Copy the Code
//MovingBall.java// package sunw.demo.Ball; import java.awt.*; import java.awt.event.*; public class MovingBall extends Canvas { private Color cl; private boolean rect; private int top; private int left; public MovingBall() { addMouseListener(new MouseAdapter() { public void mousePressed(MouseEvent me) { change(); } }); } public boolean getRectangular() { return rect; } public void setRectangular(boolean flag) { rect = flag; repaint(); } public void moveUp() { top-=10; repaint(); } public void moveDown() { top+=10; repaint(); } public void moveLeft() { left+=10; repaint(); } public void moveRight() { left-=10; repaint(); } public void change() { cl = randomColor(); repaint(); } public Color randomColor() { int r = (int) (255*Math.random()); int g = (int) (255*Math.random()); int b = (int) (255*Math.random()); return new Color(r,g,b); } public void paint(Graphics g) { Dimension d=getSize(); int h=d.height; int w=d.width; /* if (top<0 ) top=h; if (top>=h) top=0; if (left<0) left=w; if (left>=w) left=0; */ g.setColor(cl); g.fillOval(top,left,50,50); } }

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