JAVA
12
Boll
Guest on 11th May 2022 04:33:52 PM
import java.awt.*;
import java.text.*;
int r, x0, y0;
int xSteg, ySteg;
/**********************************************
*Konstruktor.
***********************************************/
public Boll
(int radie,
int x,
int y,
int xHast,
int yHast,
String col
) {
r = radie; xSteg = xHast; ySteg = yHast;
x0 = x; y0 = y;
this.col = col;
}//konstructor
/**********************************************************
* Metoder som startar och stoppar bollar.
************************************************************/
public void start() {
if (aktivitet == null) {
aktivitet.start();
}//if
}//start
public void stop() {
if (aktivitet != null) {
aktivitet.interrupt();
aktivitet = null;
}//if
}//stop
public void run() {
while (aktivitet != null) {
}//try
System.
out.
println("TRÅDTRASSEL: ""
);
System.
err.
println(ie.
getMessage());
//catch
if (x0-r+xSteg < 0 || x0+r+xSteg > getSize().width)
xSteg = -xSteg;
x0 += xSteg;
if (y0-r+ySteg < 0 || y0+r+ySteg > getSize().height)
ySteg = -ySteg;
y0 += ySteg;
repaint();
//while
//run
public int getXSteg () {
return xSteg;
//getXSteg
public int getYSteg () {
return ySteg;
//getYSteg
public int getX0 () {
return x0;
//getX0
public int getY0 () {
return y0;
//getY0
if (col == "bb") {
//if
else {
//else
g.fillOval(x0-r, y0-r, 2*r, 2*r);
//paint
//Boll