public static void SaveGraphPicture(string filename, Graph graph)
{
float minX = 999999;
float maxX = -999999;
float minY = 999999;
float maxY = -99999;
foreach(Vertex v in graph.vertices)
{
if (v.x < minX) minX = v.x;
if (v.x > maxX) maxX = v.x;
if (v.y < minY) minY = v.y;
if (v.y > maxY) maxY = v.y;
}
minX -= 25;
maxX += 25;
minY -= 25;
maxY += 25;
uint width = 3*(uint)(maxX - minX);
uint height = 3*(uint)(maxY - minY);
RenderTexture tx = new RenderTexture(width, height);
tx.Clear(Color.Black);
RenderFrame rf = new RenderFrame();
rf.width = width;
rf.height = height;
rf.xCenter = minX + width;
rf.yCenter = minY + height;
rf.zoom = 1.2f;
graph.DrawSelf(tx, rf);
tx.Texture.CopyToImage().SaveToFile("graph.png");
}
