/// 頂点を追加します。
public void Push(Vertex a, TSOSubMesh sub)
{
int x = GetX(a.position.X);
int y = GetY(a.position.Y);
int z = GetZ(a.position.Z);
UniqueCell cell = GetCell(x, y, z);
cell.Push(a, sub);
}
/// <summary>
/// セルを生成します。
/// </summary>
/// <param name="cluster">クラスタ</param>
/// <param name="x">x値</param>
/// <param name="y">y値</param>
/// <param name="z">z値</param>
/// <param name="contains_zero_x">x軸を含むか</param>
public UniqueCell(Cluster cluster, int x, int y, int z, bool contains_zero_x)
{
this.cluster = cluster;
this.x = x;
this.y = y;
this.z = z;
this.contains_zero_x = contains_zero_x;
this.vertices = new List <UniqueVertex>();
this.opposite_cell = null;
}
/// <summary>
/// 指定位置に最も近い同一視頂点を見つけます。
/// </summary>
/// <param name="position">位置</param>
/// <param name="cell">探索対象セル</param>
/// <param name="found">前回見つけた頂点</param>
/// <param name="min_len_sq">前回見つけた頂点までの距離の平方</param>
/// <returns></returns>
public static UniqueVertex FindVertex(Vector3 position, UniqueCell cell, UniqueVertex found, ref float min_len_sq)
{
if (cell != null)
{
float len_sq;
UniqueVertex v = cell.FindVertexAt(position, out len_sq);
if (min_len_sq > len_sq)
{
min_len_sq = len_sq;
found = v;
}
}
return(found);
}
/// 指定座標にあるセルを得ます。
public UniqueCell GetCell(int x, int y, int z)
{
UniqueCell cell = null;
try
{
if (cells[x, y, z] == null)
{
cells[x, y, z] = new UniqueCell(this, x, y, z, x == GetX(0.0f));
}
cell = cells[x, y, z];
}
catch (IndexOutOfRangeException)
{
}
return(cell);
}
