protected override void Draw(DemoTime time)
{
base.Draw(time);
// Draw the TextLayout
RenderTarget2D.DrawTextLayout(new Vector2(0, 0), TextLayout, SceneColorBrush, DrawTextOptions.None);
}
/// <summary>
/// Handles the Paint event of the renderControl control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.Windows.Forms.PaintEventArgs"/> instance containing the event data.</param>
void RenderControlPaint(object sender, PaintEventArgs e)
{
try
{
RenderTarget2D.BeginDraw();
RenderTarget2D.Clear(Color.White);
RenderTarget2D.DrawTextLayout(new Vector2(0, 0), CurrentTextLayout, SceneColorBrush);
RenderTarget2D.EndDraw();
}
catch (Exception ex)
{
LogException(ex);
}
}
/// <summary>
/// Handles the Paint event of the renderControl control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.Windows.Forms.PaintEventArgs"/> instance containing the event data.</param>
void renderControl_Paint(object sender, PaintEventArgs e)
{
try
{
RenderTarget2D.BeginDraw();
RenderTarget2D.Clear(Color.White);
RenderTarget2D.DrawLine(new Vector2(0, 0), new Vector2(renderControl.ClientSize.Width, renderControl.ClientSize.Height), SceneColorBrush);
RenderTarget2D.DrawLine(new Vector2(0, renderControl.ClientSize.Height), new Vector2(renderControl.ClientSize.Width, 0), SceneColorBrush);
RenderTarget2D.DrawTextLayout(new Vector2(0, 0), CurrentTextLayout, SceneColorBrush);
RenderTarget2D.EndDraw();
}
catch (Exception ex)
{
LogException(ex);
}
}
/// <summary>
/// This method is called once per game loop after calling Update. Like Update, the Render()
/// method is also called from the main class. This is the method where the graphics pipeline
/// is constructed and processed for the frame using methods on the ID3D11DeviceContext instance.
///
/// It’s important to understand that this call (or other similar Draw* calls defined on
/// ID3D11DeviceContext) actually executes the pipeline.
/// https://msdn.microsoft.com/en-us/library/windows/desktop/dn643746(v=vs.85).aspx
///
/// Specifically, this is when Direct3D communicates with the GPU to set drawing state, runs
/// each pipeline stage, and writes the pixel results into the render-target buffer resource
/// for display by the swap chain.
///
/// Since communication between the CPU and GPU incurs overhead, combine multiple draw calls
/// into a single one if you can, especially if your scene has a lot of rendered objects.
/// </summary>
///
/// OnRender will Call each Active GameObjects to be Rendered
protected override void OnRender()
{
//clear previous frame
RenderTarget2D.Clear(null);
//if display mouse coords -- add a checkbox or option menu later \
//Display Mouse coordinates: top left corner : (0,0)
TextLayout.Dispose();
TextLayout = new TextLayout(FactoryDWrite, _mousePosition.GetMouseCoordinates(), TextFormat, 400, 40);
RenderTarget2D.DrawTextLayout(new Vector2(0, 0), TextLayout, SceneColorBrush, DrawTextOptions.None);
//and all added lines
foreach (IRenderableItem item in _drawings)
{
item.Render(RenderTarget2D);
}
//Render current line if not null "?." operator
((IRenderableItem)_currentDrawing)?.Render(RenderTarget2D);
//At last, display GUI on top of everything
_guiManager.Render(RenderTarget2D);
}
