void UpdateGraphs()
{
plotter.Curves.Clear();
for (int i = 0; i < graphs.Count; i++)
{
if (graphs[i].Shown)
{
graphs[i].Curve.Points.Clear();
plotter.Curves.Add(graphs[i].Curve);
float resolution = graphs[i].Resolution > 0 ? graphs[i].Resolution : plotter.XResolution;
for (float x = 0; x >= plotter.GetMinX(); x -= resolution)
{
PointF point = new PointF(x, (float)graphs[i].Expression.CalculateValue(new double[] { x }));
graphs[i].Curve.Points.Add(point);
}
graphs[i].Curve.Points.Reverse();
for (float x = resolution; x <= plotter.GetMaxX(picBox_graph.Width); x += resolution)
{
graphs[i].Curve.Points.Add(new PointF(x, (float)graphs[i].Expression.CalculateValue(new double[] { x })));
}
}
}
}