void Start()
{
var meshList = meshRoot.GetComponentsInChildren <MeshFilter>();
if (meshList.Length <= 0)
{
return;
}
objBounds = meshList[0].mesh.bounds;
foreach (var meshF in meshList)
{
var boundsList = SpatialUtils.GetMeshTriangleBoundsList(meshF.mesh);
objBoundsList.AddRange(boundsList);
objBounds.Encapsulate(meshF.mesh.bounds);
}
bvhtree.BuildTree(objBoundsList);
octree.BuildTree(objBoundsList, objBounds);
}
public TriangleMeshModel(List <I3DObject> triangleEdgeData)
{
_triangles = triangleEdgeData.ToArray();
var max = new Vect3
{
X = double.NegativeInfinity,
Y = double.NegativeInfinity,
Z = double.NegativeInfinity
};
var min = new Vect3
{
X = double.PositiveInfinity,
Y = double.PositiveInfinity,
Z = double.PositiveInfinity
};
foreach (MinimalTriangle m in _triangles)
{
Vect3 p = m.GetBoundingSphere().Position;
if (p.X > max.X)
{
max.X = p.X;
}
if (p.Y > max.Y)
{
max.Y = p.Y;
}
if (p.Z > max.Z)
{
max.Z = p.Z;
}
if (p.X < min.X)
{
min.X = p.X;
}
if (p.Y < min.Y)
{
min.Y = p.Y;
}
if (p.Z < min.Z)
{
min.Z = p.Z;
}
}
max = (max + min) / 2;
double radius = 0;
foreach (MinimalTriangle m in _triangles)
{
Vect3 p = m.GetBoundingSphere().Position;
min = p - max;
double dist = m.GetBoundingSphereRadius() + min.Length();
if (dist > radius)
{
radius = dist;
}
}
_bounds = new Sphere(max, radius, Color.Black);
_tree = Octree.BuildTree(_bounds.Position, _triangles);
foreach (MinimalTriangle m in _triangles)
{
m.Purge();
}
}