public Texture2D BakeTexture(string outputFile)
{
// Get all triangles and its colors
Texture2D texture = Instantiate(transform.Find("WorldMapGlobeEarth").GetComponent <Renderer>().sharedMaterial.mainTexture) as Texture2D;
texture.hideFlags = HideFlags.DontSave;
int width = texture.width;
int height = texture.height;
Color[] colors = texture.GetPixels();
if (_surfacesLayer != null)
{
Transform[] surfaces = _surfacesLayer.GetComponentsInChildren <Transform>();
// Antartica k = 16
for (int k = 0; k < surfaces.Length; k++)
{
// Get the color
Color color;
Renderer rr = surfaces[k].GetComponent <Renderer>();
if (rr != null)
{
color = rr.sharedMaterial.color;
}
else
{
continue; // not valid
}
// Get triangles and paint over the texture
MeshFilter mf = surfaces[k].GetComponent <MeshFilter>();
if (mf == null || mf.sharedMesh.GetTopology(0) != MeshTopology.Triangles)
{
continue;
}
Vector3[] vertex = mf.sharedMesh.vertices;
int[] index = mf.sharedMesh.GetTriangles(0);
float maxEdge = width * 0.8f;
float minEdge = width * 0.2f;
for (int i = 0; i < index.Length; i += 3)
{
Vector3 p1 = Conversion.ConvertToTextureCoordinates(vertex[index[i]], width, height);
Vector3 p2 = Conversion.ConvertToTextureCoordinates(vertex[index[i + 1]], width, height);
Vector3 p3 = Conversion.ConvertToTextureCoordinates(vertex[index[i + 2]], width, height);
// Sort points
if (p2.x > p3.x)
{
Vector3 p = p2;
p2 = p3;
p3 = p;
}
if (p1.x > p2.x)
{
Vector3 p = p1;
p1 = p2;
p2 = p;
if (p2.x > p3.x)
{
p = p2;
p2 = p3;
p3 = p;
}
}
if (p1.x < minEdge && p2.x < minEdge && p3.x > maxEdge)
{
if (p1.x < 1 && p2.x < 1)
{
p1.x = width - p1.x;
p2.x = width - p2.x;
}
else
{
p3.x = width - p3.x;
}
}
else if (p1.x < minEdge && p2.x > maxEdge && p3.x > maxEdge)
{
p1.x = width + p1.x;
}
Drawing.DrawTriangle(colors, width, height, p1, p2, p3, color);
}
}
texture.SetPixels(colors);
texture.Apply();
}
if (File.Exists(outputFile))
{
File.Delete(outputFile);
}
File.WriteAllBytes(outputFile, texture.EncodeToPNG());
return(texture);
}