/// <summary>
/// Renders the current Sceen.
/// </summary>
public void Render()
{
this.MakeCurrent(); // Make this Canvas Current, just in case there is more then one canves open.
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit); // Clear Back buffer of previous frame.
// call render on the sceen:
if (SceenToRender != null)
{
SceenToRender.Render();
}
GraphicsContext.CurrentContext.SwapBuffers();
// Calc FPS:
m_oSW.Stop();
m_dAccumulator += m_oSW.Elapsed.TotalMilliseconds;
m_iFrameCounter++;
if (m_dAccumulator > 2000)
{
m_fps = (float)m_dAccumulator / (float)m_iFrameCounter;
m_dAccumulator -= 2000;
m_iFrameCounter = 0;
}
m_oSW.Reset();
m_oSW.Start();
}
/// <summary>
/// Decreases the Zoom factor, zooming oout.
/// </summary>
public void DecreaseZoomScaler()
{
float fOldZoomSxaler = m_fZoomScaler;
m_fZoomScaler *= UIConstants.ZOOM_OUT_FACTOR;
if (m_fZoomScaler < UIConstants.ZOOM_MINIMUM_VALUE)
{
m_fZoomScaler = UIConstants.ZOOM_MINIMUM_VALUE;
}
RecalculateViewMatrix(fOldZoomSxaler);
SceenToRender.ZoomSclaer = m_fZoomScaler;
SceenToRender.Refresh(); // called so sceen elements can adjust to new zoom value.
this.Invalidate();
}
