/// <summary>
/// 莫顿码计算
/// </summary>
/// <param name="iTileIndex">地形的Tile索引</param>
/// <param name="iChunkTileIndex">单个地形的拆分成chunk后的tile索引</param>
/// <param name="iSlicingCount">单个地形的拆分个数。(如：2x2 则为2)</param>
/// <param name="iLayerLevel">当前所属层级</param>
/// <returns>莫顿码</returns>
public static UINT32 Morton(Vector2 iTileIndex, Vector2 iChunkTileIndex, int iSlicingCount, int iLayerLevel)
{
var chunkIndexXG = (int)(iTileIndex.x * iSlicingCount + iChunkTileIndex.x);
var chunkIndexZG = (int)(iTileIndex.y * iSlicingCount + iChunkTileIndex.y);
return(UtilsMorton.Morton3d(chunkIndexXG, iLayerLevel, chunkIndexZG));
}
/// <summary>
/// 莫顿码顺算预览(3D)
/// 备注
/// x : x轴方向
/// y : z轴方向
/// </summary>
/// <param name="iLevel">层级(影响到左边缩进的余白)</param>
/// <param name="iMorton">莫顿码</param>
private void DrawMorton3DPreView(int iLevel, ref Vector3 iMorton)
{
// 设定缩进
for (var i = 0; i < iLevel; ++i)
{
++EditorGUI.indentLevel;
}
var level = iLevel;
// 莫顿码输入值获取
iMorton.x = iMorton.x >= 0 ? iMorton.x : 0;
iMorton.y = iMorton.y >= 0 ? iMorton.y : 0;
DrawVector3Field(level + 1, "预览", ref iMorton);
var morton = UtilsMorton.Morton3d(iMorton.x, iMorton.y, iMorton.z);
// 莫顿码
DrawLabel(level, "莫顿码", Color.yellow, morton.ToString());
// 恢复缩进
for (var i = 0; i < iLevel; ++i)
{
--EditorGUI.indentLevel;
}
}