public void CreatFromLog()
{
LogScript.LogClass log = LogScript.Instance.ReadLog();
if (log != null)
{
CreatPoints(log.AllPointsNum);
List <Vector2Int> point = new List <Vector2Int>();
for (int i = 0; i < log.pointList.Count; i++)
{
point.Add(new Vector2Int(log.pointList[i].x, log.pointList[i].y));
}
AddLineRenderer2InUseList(point);
foreach (var lineRenderer in linesInUseDic)
{
lineRenderer.Value.SetPositions(new Vector3[] { AllUsePoints[lineRenderer.Key.x].Position, AllUsePoints[lineRenderer.Key.y].Position });
}
OnPointMove(AllUsePoints[0]);
}
}
private List <Vector2Int> GetLinePositionByPointNumInRandom(int pointNum)
{
if (pointNum <= 1)
{
return(null);
}
if (pointNum == 2)
{
return(new List <Vector2Int>()
{
new Vector2Int(0, 1)
});
}
LogScript.LogClass log = new LogScript.LogClass();
log.AllPointsNum = pointNum;
//最少三点做圈
int circleNum = Random.Range(3, pointNum);
log.circleNum = circleNum;
List <Vector2Int> ret = new List <Vector2Int>();
for (int i = 0; i < circleNum; i++)
{
Vector2Int temp = new Vector2Int(0, i);
// 做首尾相连
if (i + 1 < circleNum)
{
ret.Add(new Vector2Int(i, i + 1));
}
//移除最大点后的 最大点与起始点相连
else if (!ret.Contains(temp))//主要是2点的时候 其他不会重复
{
ret.Add(temp);
}
}
int leftNum = pointNum - circleNum;
int insideAndOutSideNum = 0;
//内外各一点 剩余做两点插入
if (leftNum > 2)
{
insideAndOutSideNum = 2;
leftNum -= 2;
}
else
{
insideAndOutSideNum = leftNum;
leftNum = 0;
}
log.insideAndOutSideNum = insideAndOutSideNum;
//leftNum = 0 1 2
for (int i = 0; i < insideAndOutSideNum; i++)
{
int pointId = circleNum + i;
//这个点加几条线 最少也得连俩 = =
int lineNum = Random.Range(2, circleNum);
for (int j = 0; j < lineNum; j++)
{
//这些线连到那些点
int p = Random.Range(0, circleNum);
Vector2Int v = new Vector2Int(p, pointId);
while (ret.Contains(v))
{
p = Random.Range(0, circleNum - 1);
v = new Vector2Int(p, pointId);
}
if (!ret.Contains(v))
{
ret.Add(v);
}
}
}
log.leftNum = leftNum;
//leftNum 剩下的点全部做 两点间插入
for (int i = 0; i < leftNum; i++)
{
int pointId = insideAndOutSideNum + circleNum + i;
int pointid = Random.Range(0, pointNum - leftNum);
foreach (var vector2Int in ret)
{
if (vector2Int.x == pointid || vector2Int.y == pointid)
{
if (Random.Range(0, 1) == 0)
{
ret.Add(new Vector2Int(vector2Int.x, pointId));
ret.Add(new Vector2Int(vector2Int.y, pointId));
break;
}
}
}
}
log.pointList = ret;
//两点随意放
//三点只能放两个，多了或者四点就可能存在无解情况
//多了无所谓，N点只能放两个。重点是两个 内外各一个
LogScript.Instance.WriteLog(log);
return(ret);
}
