Method drawProjectile

src/Geoscape/DogfightState.cpp:1506–1556

* Draws projectiles on the radar screen. * Depending on what type of projectile it is, it's * shape will be different. Currently works for * original sized blobs 3 x 6 pixels. */

 * original sized blobs 3 x 6 pixels.
 */
void DogfightState::drawProjectile(const CraftWeaponProjectile* p) {
	if(_minimized)
	{
		return;
	}
	int xPos = _battle->getWidth() / 2 + p->getHorizontalPosition();
	// Draw missiles.
	if(p->getGlobalType() == CWPGT_MISSILE)
	{
		xPos -= 1;
		int yPos = _battle->getHeight() - p->getPosition() / 8;
		for(int x = 0; x < 3; ++x)
		{
			for(int y = 0; y < 6; ++y)
			{
				int pixelOffset = _projectileBlobs[p->getType()][y][x];
				if(pixelOffset == 0)
				{
					continue;
				}
				else
				{
					Uint8 radarPixelColor = _window->getPixel(xPos + x + 3, yPos + y + 3); // + 3 cause of the window frame
					Uint8 color = radarPixelColor - pixelOffset;
					if(color < 108)
					{
						color = 108;
					}
					_battle->setPixel(xPos + x, yPos + y, color);
				}
			}
		}
	}
	// Draw beams.
	else if(p->getGlobalType() == CWPGT_BEAM)
	{
		int yStart = _battle->getHeight() - 2;
		int yEnd = _battle->getHeight() - (_currentDist / 8);
		Uint8 pixelOffset = p->getState();
		for(int y = yStart; y > yEnd; --y)
		{
			Uint8 radarPixelColor = _window->getPixel(xPos + 3, y + 3);
			Uint8 color = radarPixelColor - pixelOffset;
			if(color < 108)
			{
				color = 108;
			}
			_battle->setPixel(xPos, y, color);
		}
	}
}

/**
 * Toggles usage of weapon number 1.