/**
* Draw a ball at screen coordinate (x, y) with a ball index `id' (0, 0) represents the top-left
* corner `x', `y', `radius' are given in pixels the ball index (gray code) `id' can be 0 to 15
*/
void paint(Graphics gc, int x, int y, int id, double radius) {
if (balls == null) makeBalls();
Image img = balls[id]; // id = [0..15]
int size = (int) (radius * 2 + .5);
gc.drawImage(img, x - size / 2, y - size / 2, size, size, null);
// System.out.println("" + x + " " + y + " " + id + " " + radius);
}
void setRGB(double r, double g, double b) {
Rl = (int) (256 * r - 1e-6);
Gl = (int) (256 * g - 1e-6);
Bl = (int) (256 * b - 1e-6);
makeBalls();
}
/** Set color */
void setRGB(int r, int g, int b) {
Rl = r;
Gl = g;
Bl = b;
makeBalls();
}
