Method animate

src/Geoscape/DogfightState.cpp:664–729

* Animates the window with a palette effect. */

 * Animates the window with a palette effect.
 */
void DogfightState::animate()
{
	if(_minimized)
	{
		return;
	}
	// Animate radar waves and other stuff.
	for(int x = 0; x < _window->getWidth(); ++x)
	{
		for(int y = 0; y < _window->getHeight(); ++y)
		{
			Uint8 radarPixelColor = _window->getPixel(x, y);
			if(radarPixelColor >= Palette::blockOffset(7) && radarPixelColor < Palette::blockOffset(7) + 16)
			{
				++radarPixelColor;
				if(radarPixelColor >= Palette::blockOffset(7) + 16)
				{
					radarPixelColor = Palette::blockOffset(7);
				}
				_window->setPixel(x, y, radarPixelColor);
			}
		}
	}

	_battle->clear();

	// Draw UFO.
	if(!_ufo->isDestroyed())
	{
		drawUfo();
	}

	// Draw projectiles.
	for(std::vector<CraftWeaponProjectile*>::iterator it = _projectiles.begin(); it != _projectiles.end(); ++it)
	{
		drawProjectile((*it));
	}
	
	// Clears text after a while
	if (_timeout == 0)
	{
		_txtStatus->setText(L"");
	}
	else
	{
		_timeout--;
	}

	// Animate UFO hit.
	bool lastHitAnimFrame = false;
	if(_animatingHit && _ufo->getHitFrame() > 0)
	{
		_ufo->setHitFrame(_ufo->getHitFrame() - 1);
		if(_ufo->getHitFrame() == 0)
		{
			_animatingHit = false;
			lastHitAnimFrame = true;
		}