/**
* Return the color at the center of the cell. To paint a color, you need to get the background
* image for the world and paint on that.
*
* @see #getBackground()
* @throws IndexOutOfBoundsException If the location is not within the world bounds. If there is
* no background image at the location it will return Color.WHITE.
*/
public Color getColorAt(int x, int y) {
ensureWithinXBounds(x);
ensureWithinYBounds(y);
int xPixel = (int) Math.floor(getCellCenter(x));
int yPixel = (int) Math.floor(getCellCenter(y));
// Take tiling into account
if (isTiled()) {
xPixel = xPixel % backgroundImage.getWidth();
yPixel = yPixel % backgroundImage.getHeight();
}
// TODO if it is not tiled, and outside, what should be returned? BGcolor? Null?
if (xPixel >= backgroundImage.getWidth()) {
return Color.WHITE;
}
if (yPixel >= backgroundImage.getHeight()) {
return Color.WHITE;
}
return backgroundImage.getColorAt(xPixel, yPixel);
}