void processSpecialKeys(int key, int x, int y)
{
if (key == GLUT_KEY_UP)
{
// increase the size
}
else if (key == GLUT_KEY_DOWN)
{
// decrease the size
}
}
void processNormalKeys (unsigned char key, int x, int y)
{
if (key == 'R' || key == 'r') // reset all
{
// clear everything
}
else if (key == 27)
exit (0);
}
How am I able to increase the size and decrease and also clear everything, do I need a for loop?