protected override void Initialize()
        {
            if (!DesignMode)
            {
                activeCamera.Pov.AspectRatio = AspectRatio;
                activeCamera.Enabled = true;
                activeCamera.Active = true;

                GraphicsDevice.RasterizerState = RasterizerState.CullCounterClockwise;
                GraphicsDevice.BlendState = BlendState.AlphaBlend;

                spriteBatch = new SpriteBatch(GraphicsDevice);
                grid = new Grid(GraphicsDevice);

                contentManager = Workspace.Current.CreateContentManager(this);

                Services.AddService<IPhysicsService>(new MockPhysicsService());
            }

            base.Initialize();
        }
        protected override void Initialize()
        {
            if (!DesignMode)
            {
                activeCamera.Pov.AspectRatio = AspectRatio;
                activeCamera.Enabled = true;
                activeCamera.Active = true;

                // 表示が見辛くなるのでフォグを OFF にしておきます。
                sceneSettings.Fog.Enabled = false;

                GraphicsDevice.RasterizerState = RasterizerState.CullCounterClockwise;
                GraphicsDevice.BlendState = BlendState.AlphaBlend;

                spriteBatch = new SpriteBatch(GraphicsDevice);
                grid = new Grid(GraphicsDevice);
            }

            base.Initialize();
        }
        protected override void Initialize()
        {
            if (!DesignMode)
            {
                pov.AspectRatio = AspectRatio;
                grid = new Grid(GraphicsDevice);

                GraphicsDevice.RasterizerState = RasterizerState.CullCounterClockwise;
                GraphicsDevice.BlendState = BlendState.AlphaBlend;
            }
        }