//创建格子
public void GenerateGrid()
{
//创建一个网格根节点
GridRoot = new GameObject("GridRoot");
GridRoot.transform.position = Vector2.zero;
//根据摄像机的scale，以及网格总数，获取单元网格的大小
Camera cam = Camera.main;
perUnitScale = (cam.orthographicSize * 2 * cam.aspect - margin) / RowCount;
//设置网格根节点的起始点
Vector2 InitOffset = new Vector2(-perUnitScale * (RowCount - 1) / 2f, -perUnitScale * (ColumnCount - 1) / 2f);
GridRoot.transform.position = InitOffset;
//生成网格与所有绿色格子，并关掉所有的绿色格子
GreenCells = new Cell[TotalGrids];
Vector2 pos = Vector2.zero;
for (int i = 0; i < TotalGrids; i++)
{
pos.y = i / RowCount * perUnitScale;
pos.x = i % RowCount * perUnitScale;
GameObject grid = Instantiate(GridPrefab);
grid.transform.parent = GridRoot.transform;
grid.transform.localPosition = pos;
grid.transform.localPosition += Vector3.forward;
grid.transform.localScale *= perUnitScale;
grid.GetComponent <Cell> ().SetIndex(i % RowCount, i / RowCount);
GreenCells[i] = Instantiate(PlayerGreenPrefab).GetComponent <Cell> ();
GreenCells[i].transform.parent = GridRoot.transform;
GreenCells[i].transform.localPosition = pos;
GreenCells[i].transform.localScale *= perUnitScale;
GreenCells[i].SetIndex(i % RowCount, i / RowCount);
GreenCells[i].DisableCell();
}
//放置红色格子
Vector2Int index_red = new Vector2Int(Random.Range(0, RowCount), Random.Range(0, RowCount));
VirusRed = Instantiate(VirusRedPrefab).GetComponent <Cell> ();
VirusRed.transform.parent = GridRoot.transform;
VirusRed.transform.localPosition = new Vector2(index_red.x * perUnitScale, index_red.y * perUnitScale);
VirusRed.transform.localScale *= perUnitScale;
VirusRed.SetIndex(index_red);
VirusSpawner = VirusRed.GetComponent <SpawnGreyVirus> ();
GreyCells = new List <Cell> ();
virusCount = 1;
Steps = 0;
WaitForInput = true;
}
//更新红色格子的位置
protected void UpdateVirusRed()
{
VirusRed.PrepareStep();
if (IfPosGreen(VirusRed.nextIndex) || IfPosGrey(VirusRed.nextIndex))
{
VirusRed.Reset();
}
else
{
VirusSpawner.SpawnGreyCellOnCurrentPos();
VirusRed.Step();
}
}
