/// <summary>
/// Converts g3.DMesh3 to UnityEngine.Mesh.
/// The DMesh3 must be compact. If neccesary - run Compactify first.
/// </summary>
/// <param name="mesh">Dmesh3</param>
/// <param name="project"> Should the mesh be projected into virgis projection DEFAULT true</param>
/// <returns>UnityEngine.Mesh</returns>
public static Mesh ToMesh(this DMesh3 mesh, Boolean project = true)
{
Mesh unityMesh = new Mesh();
unityMesh.MarkDynamic();
unityMesh.indexFormat = UnityEngine.Rendering.IndexFormat.UInt32;
if (project && !mesh.Transform(AppState.instance.mapProj))
{
throw new Exception("Mesh Projection Failed");
}
Vector3[] vertices = new Vector3[mesh.VertexCount];
Color[] colors = new Color[mesh.VertexCount];
Vector2[] uvs = new Vector2[mesh.VertexCount];
Vector3[] normals = new Vector3[mesh.VertexCount];
NewVertexInfo data;
for (int i = 0; i < mesh.VertexCount; i++)
{
if (mesh.IsVertex(i))
{
data = mesh.GetVertexAll(i);
vertices[i] = (Vector3)data.v;
if (data.bHaveC)
{
colors[i] = (Color)data.c;
}
if (data.bHaveUV)
{
uvs[i] = (Vector2)data.uv;
}
if (data.bHaveN)
{
normals[i] = (Vector3)data.n;
}
}
}
unityMesh.vertices = vertices;
if (mesh.HasVertexColors)
{
unityMesh.SetColors(colors);
}
if (mesh.HasVertexUVs)
{
unityMesh.SetUVs(0, uvs);
}
if (mesh.HasVertexNormals)
{
unityMesh.SetNormals(normals);
}
int[] triangles = new int[mesh.TriangleCount * 3];
int j = 0;
foreach (Index3i tri in mesh.Triangles())
{
triangles[j * 3] = tri.a;
triangles[j * 3 + 1] = tri.b;
triangles[j * 3 + 2] = tri.c;
j++;
}
unityMesh.triangles = triangles;
return(unityMesh);
}