Method drawUfo

src/Geoscape/DogfightState.cpp:1465–1498

* Draws the UFO blob on the radar screen. * Currently works only for original sized blobs * 13 x 13 pixels. */

 * 13 x 13 pixels.
 */
void DogfightState::drawUfo()
{
	if(_ufoSize < 0 || _ufo->isDestroyed() || _minimized)
	{
		return;
	}
	int currentUfoXposition =  _battle->getWidth() / 2 - 6;
	int currentUfoYposition = _battle->getHeight() - (_currentDist / 8) - 6;
	for(int y = 0; y < 13; ++y)
	{
		for(int x = 0; x < 13; ++x)
		{
			Uint8 pixelOffset = _ufoBlobs[_ufoSize + _ufo->getHitFrame()][y][x];
			if(pixelOffset == 0)
			{
				continue;
			}
			else
			{
				if(_ufo->isCrashed() || _ufo->getHitFrame() > 0)
				{
					pixelOffset *= 2;
				}
				Uint8 radarPixelColor = _window->getPixel(currentUfoXposition + x + 3, currentUfoYposition + y + 3); // + 3 cause of the window frame
				Uint8 color = radarPixelColor - pixelOffset;
				if(color < 108)
				{
					color = 108;
				}
				_battle->setPixel(currentUfoXposition + x, currentUfoYposition + y, color);
			}
		}
	}
}

/*
 * Draws projectiles on the radar screen.