/// <summary>
/// Takes screen coordinates (2D position like where the mouse is on screen) then converts it to world position (where we clicked at in the world).
/// </summary>
private static Vector2 ScreenToWorld(Vector2 input)
{
input.X -= Resolution.VirtualViewportX;
input.Y -= Resolution.VirtualViewportY;
return(Vector2.Transform(input, Matrix.Invert(Camera.GetTransformMatrix())));
}
/// <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.CornflowerBlue);
Resolution.BeginDraw();
// TODO: Add your drawing code here
spriteBatch.Begin(SpriteSortMode.BackToFront, BlendState.AlphaBlend, SamplerState.LinearClamp, DepthStencilState.Default, RasterizerState.CullNone, null, Camera.GetTransformMatrix());
DrawObjects();
map.DrawWalls(spriteBatch);
spriteBatch.End();
gameHUD.Draw(spriteBatch);
base.Draw(gameTime);
}
/// <summary>
/// This is called when the game is ready to draw to the screen, it's also called each frame.
/// </summary>
protected override void Draw(GameTime gameTime)
{
//This will clear what's on the screen each frame, if we don't clear the screen will look like a mess:
GraphicsDevice.Clear(Color.CornflowerBlue);
Resolution.BeginDraw();
spriteBatch.Begin(SpriteSortMode.BackToFront, BlendState.AlphaBlend, SamplerState.LinearClamp, DepthStencilState.Default, RasterizerState.CullNone, null, Camera.GetTransformMatrix());
DrawObjects();
map.DrawWalls(spriteBatch);
spriteBatch.End();
gameHUD.Draw(spriteBatch);
//Draw the things FNA handles for us underneath the hood:
base.Draw(gameTime);
}