protected override void OnPaint(PaintEventArgs e)
{
if (MakeCurrent())
{
if (!NoClear)
{
gl.ClearColor(BackColor.R / 256f, BackColor.G / 256f,
BackColor.B / 256f, BackColor.A / 256f);
gl.Clear(GL.COLOR_BUFFER_BIT | GL.DEPTH_BUFFER_BIT);
}
GLPaint?.Invoke(this, EventArgs.Empty);
gdi.SwapBuffers(HDC);
}
}
private void Draw()
{
if (GLControl.Visible)
{
var frameTime = stopwatch.ElapsedMilliseconds / 1000f;
stopwatch.Restart();
Camera.Tick(frameTime);
Camera.HandleInput(Mouse.GetState(), Keyboard.GetState());
SetFps(1f / frameTime);
GL.ClearColor(Settings.BackgroundColor);
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
GLPaint?.Invoke(this, new RenderEventArgs {
FrameTime = frameTime, Camera = Camera
});
GLControl.SwapBuffers();
GLControl.Invalidate();
}
}
private void Worker(object args)
{
var Args = (ThreadArgs)args;
var HWND = Args.HWND;
var HDC = IntPtr.Zero;
var HGLRC = IntPtr.Zero;
try
{
GLInit(HWND, out HDC, out HGLRC);
gl.Enable(GL.BLEND);
gl.BlendFunc(GL.SRC_ALPHA, GL.ONE_MINUS_SRC_ALPHA);
gl.DepthMask(GL.FALSE);
gl.MatrixMode(GL.PROJECTION);
gl.Viewport(0, 0, ClientSize.Width, ClientSize.Height);
gl.LoadIdentity();
gl.Ortho(-SurfaceSize.Width / 2f, SurfaceSize.Width / 2f,
-SurfaceSize.Height / 2f, SurfaceSize.Height / 2f, 0f, 1f);
GLStart?.Invoke(this, EventArgs.Empty);
var FrameTimer = new Stopwatch();
while (RendererRunning)
{
if (FPS <= 0)
{
Thread.Sleep(100);
}
else
{
var delay = 1000 / FPS - (int)FrameTimer.ElapsedMilliseconds;
if (delay > 0)
{
Thread.Sleep(delay);
}
FrameTimer.Restart();
lock (ActionRequests)
while (ActionRequests.Count > 0)
{
ActionRequests.Dequeue().Invoke();
}
if (!NoClear)
{
gl.ClearColor(BackColor.R / 256f, BackColor.G / 256f,
BackColor.B / 256f, BackColor.A / 256f);
gl.Clear(GL.COLOR_BUFFER_BIT | GL.DEPTH_BUFFER_BIT);
}
GLPaint?.Invoke(this, EventArgs.Empty);
gdi.SwapBuffers(HDC);
}
}
}
finally
{
GLStop?.Invoke(this, EventArgs.Empty);
GLDispose(HWND, HDC, HGLRC);
}
}