/**
* Returns the light value at the given coordinate.
*
* @param x
* @param y
* @return int An integer between 0 and 1023 representing the light value.
* @throws IllegalArgumentException When the x or y coordinates are not valid |
* !sensors.isValid(x,y)
*/
public int getLightValue(int x, int y) {
int correctedY = sensors.getMaxY() - y;
if (sensors.isValid(x, correctedY)) {
int clr = img.getRGB(x, correctedY);
int lightValue = calculateLightValue(clr);
// System.out.println("Lightsensor white-value: "+lightValue);
return lightValue;
} else {
throw new IllegalArgumentException("X or Y out of bounds");
}
}
