public static void calculateLEDs() {
		// alle LEDs aus
		resetColors();

		// Neuberechnung
		for (int x = 0; x < 12; x++) {
			for (int y = 0; y < 12; y++) {
				for (int spot = 0; spot < 3; spot++) {
					double dist = spots[spot].getDistance(x, y);
					double factor = (dist > 2.5) ? 0 : (1 - dist / 2.5);
					factor = factor * factor;
					for (int color = 0; color < 3; color++) {
						colors[x][y][color] += (int) (spots[spot].color[color] * factor);
					}
				}
			}
		}

		// Update des Bildes
		controller.updateLedStripe();
	}