public void resizeBall() {
// if it grows set xLoc, YLoc and
// increment, otherwise false.
if (grow) {
if (size < MAX_SIZE) {
double xLoc = cxLoc + size / 2;
double yLoc = cyLoc + size / 2;
size += GROWTH;
ball.setSize(size, size);
cxLoc = xLoc - size / 2;
cyLoc = yLoc - size / 2;
ball.moveTo(cxLoc, cyLoc);
} else {
grow = false;
}
} else {
// otherwise shrink
if ((size <= MAX_SIZE) && (size > MIN_SIZE)) {
double xLoc = cxLoc + size / 2;
double yLoc = cyLoc + size / 2;
size -= GROWTH;
ball.setSize(size, size);
cxLoc = xLoc - size / 2;
cyLoc = yLoc - size / 2;
ball.moveTo(cxLoc, cyLoc);
} else {
grow = true;
}
}
// time delay to prevent lag
pause(100 - speed);
}
