public static bool isIsolatedPoint(zzPoint pPoint,zzActiveChart tex)
{
var lDetectDirection = new DetectDirection();
var lNextPoint = lDetectDirection.getOfsetPoint(pPoint);
//下一个像素是否可用
var isNextActivePiexl = tex.isInside(lNextPoint) && tex.isActive(lNextPoint);
var lNextNextPoint = new zzPoint();
bool isNextNextActivePiexl;
for (int i = 0; i < 8;++i )
{
lDetectDirection.toNextDirection();
//下下个像素是否可用
lNextNextPoint = lDetectDirection.getOfsetPoint(pPoint);
isNextNextActivePiexl = tex.isInside(lNextNextPoint)&&tex.isActive(lNextNextPoint);
//连续两个像素可用,则此像素非孤立
if(isNextActivePiexl && isNextNextActivePiexl)
return false;
isNextActivePiexl = isNextNextActivePiexl;
}
return true;
}
//static bool isInsideImg(zzPoint pPoint,Texture2D tex)
//{
// return pPoint.x >= 0
// && pPoint.x < tex.width
// && pPoint.y >= 0
// && pPoint.y < tex.height;
//}
static zzPoint[] beginEdge(zzActiveChart tex, zzPoint beginPosition, int[,] pProgressdMark, int pMark)
{
List<zzPoint> lOut = new List<zzPoint>();
lOut.Add(beginPosition);
pProgressdMark[beginPosition.x, beginPosition.y] = pMark;
DetectDirection lDetectDirection = new DetectDirection();
//int nowX=beginX,nowY=beginY;
zzPoint lNowPoint = beginPosition;
//int lNextX,lNextY;
zzPoint lNextPoint;
int lTotalNum = tex.width*tex.height;
while(true)
{
lNextPoint = lDetectDirection.getOfsetPoint(lNowPoint);
var lNextDirection = lDetectDirection.nextDirection();
var lNextNextPoint = lNextDirection.getOfsetPoint(lNowPoint);
if (tex.isInside(lNextPoint) && tex.isActive(lNextPoint))
{
lNowPoint = lNextPoint;
if (lNowPoint == beginPosition)
break;
pProgressdMark[lNowPoint.x, lNowPoint.y] = pMark;
lOut.Add(lNowPoint);
lDetectDirection.toPreDirection();
lDetectDirection.toPreDirection();
}
else
{
//不可用,继续顺时针寻找
lDetectDirection.toNextDirection();
}
if(lOut.Count>lTotalNum)
{
Debug.LogError("error ");
break;
}
}
return lOut.ToArray();
}
