public void StartGameLoop()
{
while (_window.IsOpen)
{
// check wave progress
if (_targets.Count == 0)
{
NextWave();
}
_window.DispatchEvents();
_window.Clear(Color.Black);
DrawScore();
// Move player
if (_arrowKeyDown != Direction.NONE)
{
_player.Move(_arrowKeyDown, screenRect);
}
// draw player
_player.Draw(_window);
// draw all targets to the screen
foreach (Target t in _targets)
{
if (!_isSolving)
{
t.Oscillate(_waveOscilatingDir);
}
t.Draw(_window);
}
// revert target direction when outer targets hit the screen edge
if (_targets.Count > 0 && Target.HasOuterTargetHitScreenEdge(_targets))
{
if (_waveOscilatingDir == Direction.LEFT)
{
_waveOscilatingDir = Direction.RIGHT;
}
else if (_waveOscilatingDir == Direction.RIGHT)
{
_waveOscilatingDir = Direction.LEFT;
}
}
if (_isSolving)
{
DrawEquationSolver();
}
else
{
HandleTargetCollision();
}
// refresh screen
_window.Display();
}
}
