//Vykreslení
public void Draw(Graphics g, List <Color> colors)
{
foreach (Branch branch in Branches)
{
if (branch.Count > 1)
{
Pen pen = new Pen(colors[branch.Color], 0.3f);
pen.StartCap = pen.EndCap = System.Drawing.Drawing2D.LineCap.Round;
Point a = branch[0];
for (int i = 1; i < branch.Count; i++)
{
Point b = branch[i];
//Ošetří případ, kdy jde o přetečení přes okraj
if (Math.Abs(a.X - b.X) + Math.Abs(a.Y - b.Y) > 1)
{
int dx = Grid.ModW(b.X - a.X);
if (dx > 1)
{
dx -= Grid.Width;
}
int dy = Grid.ModH(b.Y - a.Y);
if (dy > 1)
{
dy -= Grid.Height;
}
Pen pen2 = new Pen(colors[branch.Color], 0.3f);
pen2.StartCap = System.Drawing.Drawing2D.LineCap.Round;
g.DrawLine(pen2, new PointF(a.X + 0.5f, a.Y + 0.5f), new PointF(a.X + 0.5f * dx + 0.5f, a.Y + 0.5f * dy + 0.5f));
g.DrawLine(pen2, new PointF(b.X + 0.5f, b.Y + 0.5f), new PointF(b.X - 0.5f * dx + 0.5f, b.Y - 0.5f * dy + 0.5f));
}
//Ostatní případy
else
{
g.DrawLine(pen, new PointF(a.X + 0.5f, a.Y + 0.5f), new PointF(b.X + 0.5f, b.Y + 0.5f));
}
//Překreslit horní čáru přes most
if (Grid.Bridges[a.X, a.Y])
{
Pen pen3 = new Pen(Color.Black, 0.3f);
if (Cells[a.X, a.Y] >= 0)
{
pen3 = new Pen(colors[Cells[a.X, a.Y]], 0.3f);
}
g.DrawLine(pen3, new PointF(a.X, a.Y + 0.5f), new PointF(a.X + 1, a.Y + 0.5f));
}
a = b;
}
}
}
Grid.RedrawBridges(g);
}