private async Task Repaint()
{
// Only allow the canvas to be drawn once if there is an invalidate, it's ok, the other canvas will soon be drawn
if (_lastDrawn)
{
return;
}
_lastDrawn = true;
await _screenCanvas.Draw(_container);
}
/// <summary>
/// This is called when the game should draw itself.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
protected override void Draw(GameTime gameTime)
{
GraphicsDevice.Clear(Color.Black);
GraphicsDevice.BlendState = BlendState.Opaque;
// I'm setting this so that *both* sides of triangle are drawn
// (so it won't be back-face culled if you move it, or the camera around behind it)
GraphicsDevice.RasterizerState = RasterizerState.CullNone;
var width = this.Window.ClientBounds.Width;
var height = this.Window.ClientBounds.Height;
_screenCanvas.Clear();
DrawHud(width, height);
switch (_gameState)
{
case GameState.Title:
{
_currTitle.Draw(_screenCanvas, width, height);
break;
}
case GameState.Game:
{
Level.Draw(_screenCanvas, width, height);
break;
}
case GameState.Evolve:
{
Level.Draw(_screenCanvas, width, height);
_screenCanvas.AddText($"GEN {_population.Generation}.{_population.ActiveIndex}", Justify.Right, 100, 200, 400, width, height);
break;
}
}
foreach (var pass in _basicEffect.CurrentTechnique.Passes)
{
pass.Apply();
_screenCanvas.Draw(GraphicsDevice);
}
base.Draw(gameTime);
}