public void SaveHMResult(SimplifiedHeightmap hm, Stream stream)
{
using (var io = new StreamWriter(stream))
{
io.WriteLine("# Experimental mesh projection output.");
io.WriteLine("s 1");
io.WriteLine("o projected");
foreach (var vert in hm.Vertices)
{
io.WriteLine("v " + vert.X.ToString(CultureInfo.InvariantCulture) + " " + vert.Y.ToString(CultureInfo.InvariantCulture) + " " + vert.Z.ToString(CultureInfo.InvariantCulture));
}
io.Write("f ");
var baseInd = 1;
var ticker = 0;
var j = 0;
foreach (var ind in hm.Indices)
{
var i = ind + baseInd;
io.Write(i + " ");
if (++ticker == 3)
{
io.WriteLine("");
if (j < hm.Indices.Count - 1)
{
io.Write("f ");
}
ticker = 0;
}
j++;
}
}
}
public void TestHeightmapGen()
{
var map = BasicMap();
var timer = new System.Diagnostics.Stopwatch();
timer.Start();
var heightmap = new SimplifiedHeightmap(512, map);
heightmap.BuildSecondDerivative();
heightmap.GenerateFullTree();
heightmap.GenerateMesh();
timer.Stop();
Console.WriteLine("=== 512x512 heightmap took " + timer.ElapsedMilliseconds);
//write result
using (var file = File.Open(@"C:\Users\Rhys\Documents\testhm2.obj", FileMode.Create))
{
SaveHMResult(heightmap, file);
}
}
public void TestCombo()
{
var map = BasicMap();
var timer = new System.Diagnostics.Stopwatch();
timer.Start();
var heightmap = new SimplifiedHeightmap(512, map);
heightmap.BuildSecondDerivative();
heightmap.GenerateFullTree();
heightmap.GenerateMesh();
timer.Stop();
Console.WriteLine("!!! Heightmap took " + timer.ElapsedMilliseconds + "ms.");
timer.Restart();
var svg = new SVGParser(File.ReadAllText(@"C:\Users\Rhys\Documents\roads.svg"));
var paths = svg.ToLinePaths();
var geom = new RoadGeometry(paths, TS1RoadTemplates.OLD_TOWN_DEFAULT_TEMPLATES);
geom.GenerateIntersections();
geom.GenerateRoadGeometry();
timer.Stop();
Console.WriteLine("!!! Road took " + timer.ElapsedMilliseconds + "ms.");
timer.Restart();
List <MeshProjector> projectors = new List <MeshProjector>();
foreach (var pair in geom.Meshes)
{
var mesh = pair.Value;
var baseTris = new List <BaseMeshTriangle>();
for (int i = 0; i < heightmap.Indices.Count; i += 3)
{
baseTris.Add(new BaseMeshTriangle()
{
Vertices = new Vector3[] {
heightmap.Vertices[heightmap.Indices[i]],
heightmap.Vertices[heightmap.Indices[i + 1]],
heightmap.Vertices[heightmap.Indices[i + 2]],
}
});
}
var projTris = new List <MeshTriangle>();
for (int i = 0; i < mesh.Indices.Count; i += 3)
{
projTris.Add(new MeshTriangle()
{
Vertices = new Vector3[] {
mesh.Vertices[mesh.Indices[i]].Position,
mesh.Vertices[mesh.Indices[i + 1]].Position,
mesh.Vertices[mesh.Indices[i + 2]].Position,
},
TexCoords = new float[][]
{
mesh.Vertices[mesh.Indices[i]].TexCoords,
mesh.Vertices[mesh.Indices[i + 1]].TexCoords,
mesh.Vertices[mesh.Indices[i + 2]].TexCoords,
}
});
}
var proj = new MeshProjector(baseTris, projTris);
proj.Project();
projectors.Add(proj);
}
timer.Stop();
Console.WriteLine("!!! Projection took " + timer.ElapsedMilliseconds + "ms.");
//write result
using (var file = File.Open(@"C:\Users\Rhys\Documents\combined.obj", FileMode.Create))
{
SaveResults(projectors, file);
}
}
