while(true){
if (flag) {
ampl++;
if (ampl >= amplitude) {
flag = false;
}
}else {
ampl--;
if (ampl <= 0) {
flag = true;
}
}
try {
} catch (InterruptedException e) {
e.printStackTrace();
}
repaint();
}
};
}.start();
}
public static void main(String[] args) {
new EyesJFrame();
}
}