private void fly(CanvasRenderingContext2D ctx, double i, ToolStripStatusLabel label)
{
ElapsedEventHandler inner = delegate
{
bool isLocked = !Monitor.TryEnter(sync);
if (!isLocked)
{
i++;
ctx.fillStyle = "white";
ctx.fillRect(-1500, -1500, 3000, 3000);
ctx.save();
ctx.translate(0, Math.Cos(i*0.1)*40);
double a = Math.Sin(i*0.1);
// right wing
ctx.save();
ctx.rotate(Math.PI*0.4);
wing(ctx, 18, a);
ctx.restore();
// left wing
ctx.save();
ctx.scale(-1, 1);
ctx.rotate(Math.PI*0.4);
wing(ctx, 18, a);
ctx.restore();
// tail
ctx.save();
tail(ctx, 20, Math.Sin(i*0.05));
ctx.restore();
// head
neck(ctx, 22);
ctx.restore();
ManagedBackBuffer.Render(_g);
_g.Flush(FlushIntention.Sync);
framesCount++;
Monitor.Exit(sync);
}
};
timer = new Timer();
timer.Interval = interval;
timer.Elapsed += inner;
timer.Enabled = true;
var counter = new Timer();
counter.Interval = 1000;
counter.Elapsed += delegate
{
label.Text = "fps: " + framesCount + " / " + 1000/interval;
lock (sync)
{
framesCount = 0;
}
};
counter.Enabled = true;
}