public void RenderGame(RenderFunction renderFunction, Color clearColor)
{
// draw true image
setRenderTarget(TrueGameScreen, clearColor);
SpriteBatch.BeginPixelPerfect(trueScaleMatrix, SpriteSortMode.FrontToBack);
renderFunction();
SpriteBatch.End();
// apply the shader
setRenderTarget(ShadedGameScreen, Color.Black);
SpriteBatch.BeginPixelPerfect(trueScaleMatrix);
PostProcessors?.Invoke();
SpriteBatch.Draw(TrueGameScreen, Vector2.Zero, Color.White);
SpriteBatch.End();
// if requested, save shaded screenshot (before scaling)
if (takeScreenshot)
{
takeScreenshot = false;
ShadedGameScreen.SaveAsTimestampedPng();
}
}