/// <summary>
/// 创建地图
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void CreateButton_Click(object sender, EventArgs e)
{
{
// 记录图形选项
if (nSitesBox.Text != "")
{
try
{
numSites = int.Parse(nSitesBox.Text);
}
catch (Exception)
{
numSites = 6000;
}
}
else
{
numSites = 6000;
}
if (nLloydBox.Text != "")
{
try
{
numLloyd = int.Parse(nLloydBox.Text);
}
catch (Exception)
{
numLloyd = 2;
}
}
else
{
numLloyd = 2;
}
seed = seedGen.Next();
seedBox.Text = seed + "";
moreRandom = RHeightCheck.Checked;
}
// 生成图形对象
voronoiGraph = CreateVoronoiGraph(bounds, numSites, numLloyd, seed, moreRandom);
// 渲染图形
Bitmap img = voronoiGraph.CreateMap(g, drawBiomes, drawRivers, drawSites,
drawCorners, drawDelaunay, noisyEdges, smoothBlending, lighting);
Bitmap noiseImg = CreateNoiseMap();
finalImg = new Bitmap(bounds, bounds);
Graphics tmpGraphics = Graphics.FromImage(finalImg);
tmpGraphics.DrawImage(img, new PointF(0, 0));
tmpGraphics.DrawImage(noiseImg, new PointF(0, 0));
MapImageBox.Image = finalImg;
MapPanel.Refresh();
}
public static void SaveAsPng(VoronoiGraph graph, string fileName)
{
using (var image = graph.CreateMap())
using (var stream = new MemoryStream(image.Width * image.Height * 4))
{
image.SaveAsPng(stream);
stream.Seek(0, SeekOrigin.Begin);
using (var fileStream = new FileStream(fileName, FileMode.Create, FileAccess.Write))
{
stream.CopyTo(fileStream);
}
}
}
