private void renderBlackout(Graphics g, int x, int y, int radius) {
if (radius > 320) return;
int[] xp = new int[20];
int[] yp = new int[20];
for (int i = 0; i < 16; i++) {
xp[i] = x + (int) (Math.cos(i * Math.PI / 15) * radius);
yp[i] = y + (int) (Math.sin(i * Math.PI / 15) * radius);
}
xp[16] = 320;
yp[16] = y;
xp[17] = 320;
yp[17] = 240;
xp[18] = 0;
yp[18] = 240;
xp[19] = 0;
yp[19] = y;
g.fillPolygon(xp, yp, xp.length);
for (int i = 0; i < 16; i++) {
xp[i] = x - (int) (Math.cos(i * Math.PI / 15) * radius);
yp[i] = y - (int) (Math.sin(i * Math.PI / 15) * radius);
}
xp[16] = 320;
yp[16] = y;
xp[17] = 320;
yp[17] = 0;
xp[18] = 0;
yp[18] = 0;
xp[19] = 0;
yp[19] = y;
g.fillPolygon(xp, yp, xp.length);
}
