/// <summary>
/// 创建子枝
/// </summary>
/// <param name="parentBranch">上级树枝</param>
/// <param name="scaleFactor">比例因子</param>
/// <returns></returns>
public IEnumerator generateChildBranch(GameObject parentBranch, float scaleFactor, int branchNum)
{
Branch pb = parentBranch.GetComponent <Branch>();
float pMaxSize = pb.maxSize;
Transform branchHead = parentBranch.transform.Find("BranchHead");
yield return(new WaitForSeconds(branchDelay));
for (int i = 0; i < branchNum; i++)
{
int levelUp = bigBranchSmallChild_Probabilites.selectRandomNum();
if (pb.Level + levelUp > Manager.mg.treeIterNum)
{
levelUp = Manager.mg.treeIterNum - pb.Level;
}
int level = pb.Level + levelUp;
GameObject childBranch = Instantiate(branchPrefab, transform);
BranchCount++;
childBranch.transform.rotation = branchHead.transform.rotation;
childBranch.transform.position = branchHead.transform.TransformPoint(Vector3.up);
childBranch.transform.localScale = new Vector3(0, 0, 0);
Branch cb = childBranch.GetComponent <Branch>();
pb.childrenBranchs.Add(cb);
cb.parentHead = branchHead;
cb.Level = level;
cb.InterateNum = Manager.mg.treeIterNum;
cb.maxSize = scaleFactor * pMaxSize;
for (int j = 1; j < levelUp; j++)
{
cb.maxSize *= scaleFactor;
}
if (branchNum % 2 == 1)
{
childBranch.transform.Rotate(branchHead.forward * selectRandomBranchTheta(), Space.World);
}
else
{
int tmp = i - (branchNum / 2 - 1);
if (tmp <= 0)
{
tmp--;
cb.Direct = Branch.Direction.Left;
}
else
{
cb.Direct = Branch.Direction.Right;
}
childBranch.transform.Rotate(transform.forward * selectRandomBranchTheta(), Space.World);
}
if (level < Manager.mg.treeIterNum)
{
StartCoroutine(generateChildBranch(childBranch, scaleFactor, branchNum_Probabilites.selectRandomNum()));
}
}
yield return(null);
}
internal int BranchCount = 0;//树枝总数统计
public void Initialize()
{
GameObject MainBranch = generateMainBranch();
StartCoroutine(generateChildBranch(MainBranch, interateScaleRatio, branchNum_Probabilites.selectRandomNum()));
}
