private void drawing_panel_MouseUp(object sender, MouseEventArgs e)
{
if (moving)
{
moving = false;
currently_changed_vertex = null;
}
drawing_panel.Invalidate();
}
private void drawing_panel_MouseDown(object sender, MouseEventArgs e)
{
VertexPoint tmp = FindIfOnVertex(e.Location);
if (!(tmp is null))
{
currently_changed_vertex = tmp;
moving = true;
}
}
public Edge(VertexPoint a_, VertexPoint b_)
{
if (a_.Get().Y < b_.Get().Y)
{
a = a_;
b = b_;
}
else
{
a = b_;
b = a_;
}
SetXmin();
CalculateOneDivM();
}
private void CreateNet(int xcount, int ycount)
{
triangles_net = new List <Polygon>();
vertices = new VertexPoint[xcount, ycount];
Point start = new Point((int)Math.Round(drawing_panel.Width * 0.1), (int)Math.Round(drawing_panel.Height * 0.1));
int diffX = (int)Math.Round((drawing_panel.Width * 0.8) / xcount);
int diffY = (int)Math.Round((drawing_panel.Height * 0.8) / ycount);
int currentX = start.X;
int currentY = start.Y;
for (int i = 0; i < xcount; i++)
{
for (int j = 0; j < ycount; j++)
{
vertices[i, j] = new VertexPoint(currentX, currentY);
currentY += diffY;
}
currentX += diffX;
currentY = start.Y;
}
for (int i = 0; i < xcount - 1; i++)
{
for (int j = 0; j < ycount - 1; j++)
{
triangles_net.Add(new Polygon());
triangles_net.Last().AddVertex(vertices[i, j]);
triangles_net.Last().AddVertex(vertices[i, j + 1]);
triangles_net.Last().AddVertex(vertices[i + 1, j]);
triangles_net.Add(new Polygon());
triangles_net.Last().AddVertex(vertices[i + 1, j]);
triangles_net.Last().AddVertex(vertices[i + 1, j + 1]);
triangles_net.Last().AddVertex(vertices[i, j + 1]);
}
}
}
public void AddVertex(VertexPoint point)
{
vertices.Add(point);
MakeEdges();
}