public void Draw(Renderer2D renderer, GameTime time) { renderer.DrawFilledRectangle(new Rectangle((int)nPC.Position.X, (int)nPC.Position.Y, (int)nPC.Size.X, (int)nPC.Size.Y), color); if (ShowVelocity.HasValue) { renderer.DrawVector(nPC.Velocity, nPC.Center, ShowVelocity.Value, 2); } if (ShowAcceleration.HasValue) { renderer.DrawVector(nPC.Acceleration, nPC.Center, ShowAcceleration.Value, 1); } }