private void OnPenDraw()
{
// Clear if needed
if (willClearFrames > 0)
{
willClearFrames--;
if (willClearFrames == 0)
{
pen.DrawRect(GetViewportRect(), clearColor);
}
}
DrawFunction?.Invoke(pen);
}
public void DrawCurve(Graphics g, DrawFunc func, double x, double step = 0.1)
{
List <PointF> points = new List <PointF>();
for (double i = -x; i < x; i += step)
{
var res = func.Invoke(i);
if (!double.IsNaN(res) && !double.IsInfinity(res))
{
points.Add(new PointF(II(i), JJ(res)));
}
}
if (points.Count > 1)
{
g.DrawCurve(Pens.Black, points.ToArray());
}
}