public TriangleMesh(GeometryInfo geoInfo)
{
MeshProfile = new SurfaceProfile();
MaterialName = geoInfo.MaterialName;
MeshName = geoInfo.Name;
Vertices = geoInfo.VertexData.ToPointList().ToArray();
Normals = geoInfo.NormalData.ToNormalList().ToArray();
TexCoords = geoInfo.TextureData.TodVectorList().ToArray();
var triangles = new List<TriangleDataInfo>();
int index = 0;
if (geoInfo.IndexData.Any())
{
int[] ni = null;
int[] ti = null;
var hasNormals = geoInfo.NormalIndexData != null && geoInfo.NormalIndexData.Any();
var hasTexCoords = geoInfo.TextureIndexData != null && geoInfo.TextureIndexData.Any();
if (hasTexCoords)
{
ti = geoInfo.TextureIndexData.ToArray();
}
if (hasNormals)
{
ni = geoInfo.NormalIndexData.ToArray();
}
HasNormals = hasNormals;
HasTexCoords = hasTexCoords;
for (int i = 0; i < geoInfo.IndexData.Count; i += 3)
{
index++;
var newTriangle = new TriangleDataInfo()
{
v0 = new MeshVertexInfo()
{
NormalIndex = hasNormals ? ni[i] - 1 : -1,
VertexIndex = geoInfo.IndexData[i] - delta,
TexCoordIndex = hasTexCoords ? ti[i] - 1 : -1
},
v1 = new MeshVertexInfo()
{
NormalIndex = hasNormals ? ni[i + 1] - 1 : -1,
VertexIndex = geoInfo.IndexData[i + 1] - delta,
TexCoordIndex = hasTexCoords ? ti[i + 1] - 1 : -1
},
v2 = new MeshVertexInfo()
{
NormalIndex = hasNormals ? ni[i + 2] - 1 : -1,
VertexIndex = geoInfo.IndexData[i + 2] - delta,
TexCoordIndex = hasTexCoords ? ti[i + 2] - 1 : -1
},
};
triangles.Add(newTriangle);
}
WorldBound = new AABB(this.Vertices);
this.Triangles = triangles.ToArray();
this.BottomLevelBVH = new AccellerationData() {data = BvhDataAdapter.CreateBVH(Triangles, Vertices)};
}
}
public TriangleMeshInfo(SceneDataInfo scene)
{
this.scene = scene;
MeshProfile = new SurfaceProfile();
}
public TriangleMesh()
{
normals = new Dictionary<int, Normal[]>(300);
texCoords = new Dictionary<int, UV[]>();
MeshProfile = new SurfaceProfile();
}