protected bool IsSkiped(DirectionInfo directionInfo, int x, int y)
{
int x1 = 0, y1 = 0, x2 = 0, y2 = 0;
// 如果当前位置为左上角，则判断其下方和右侧是否为不可穿过的障碍
if (directionInfo.Equals(DirectionInfoConst.LeftTopDirectionInfo))
{
x1 = x;
y1 = y - 1;
x2 = x + 1;
y2 = y;
}
// 如果当前位置为右上角，则判断其下方和左侧是否为不可穿过的障碍
if (directionInfo.Equals(DirectionInfoConst.RightTopDirectionInfo))
{
x1 = x;
y1 = y - 1;
x2 = x - 1;
y2 = y;
}
// 如果当前位置为左下角，则判断其上方和右侧是否为不可穿过的障碍
if (directionInfo.Equals(DirectionInfoConst.LeftBottomDirectionInfo))
{
x1 = x;
y1 = y + 1;
x2 = x + 1;
y2 = y;
}
// 如果当前位置为右下角，则判断其上方和左侧是否为不可穿过的障碍
if (directionInfo.Equals(DirectionInfoConst.RightBottomDirectionInfo))
{
x1 = x;
y1 = y + 1;
x2 = x - 1;
y2 = y;
}
// 根据计算后获得的坐标(x1,y1),(x2,y2)，判断其是否为不可穿越的障碍，如果是，则跳过该邻居节点
if (!CanPass(x1, y1) || !CanPass(x2, y2))
{
return(true);
}
return(false);
}
//获得轨迹中可通过的最远点
public static Vector2Int GetMostPassPoint(AStarMapPath astarMapPath, List <Vector2Int> trackList,
int[] canPassObstacleTypes,
int[] canPassTerrainTypes, bool canOut = false)
{
Vector2Int lp = trackList[0];
Vector2Int tp = lp;
for (int i = 1; i < trackList.Count; i++)
{
Vector2Int p = trackList[i];
if (!CanPass(astarMapPath, p.x, p.y, canPassObstacleTypes, canPassTerrainTypes, canOut))
{
break;
}
DirectionInfo directionInfo = DirectionInfoUtil.GetDirectionInfo(p.x - lp.x, p.y - lp.y);
// directionInfo = DirectionConst.GetDirectionInfo(0, 0); // 不再判断临边障碍 2012-10-29
// LogCat.log(directionInfo.name);
if (directionInfo == DirectionInfoConst.LeftTopDirectionInfo) // 左上角
{
if (!CanPass(astarMapPath, p.x + 1, p.y, canPassObstacleTypes, canPassTerrainTypes, canOut))
{
break;
}
if (!CanPass(astarMapPath, p.x, p.y - 1, canPassObstacleTypes, canPassTerrainTypes, canOut))
{
break;
}
}
else if (directionInfo == DirectionInfoConst.RightTopDirectionInfo) // 右上角
{
if (!CanPass(astarMapPath, p.x - 1, p.y, canPassObstacleTypes, canPassTerrainTypes, canOut))
{
break;
}
if (!CanPass(astarMapPath, p.x, p.y - 1, canPassObstacleTypes, canPassTerrainTypes, canOut))
{
break;
}
}
else if (directionInfo == DirectionInfoConst.RightBottomDirectionInfo) // 右下角
{
if (!CanPass(astarMapPath, p.x - 1, p.y, canPassObstacleTypes, canPassTerrainTypes, canOut))
{
break;
}
if (!CanPass(astarMapPath, p.x, p.y + 1, canPassObstacleTypes, canPassTerrainTypes, canOut))
{
break;
}
}
else if (directionInfo == DirectionInfoConst.LeftBottomDirectionInfo) // 左下角
{
if (!CanPass(astarMapPath, p.x + 1, p.y, canPassObstacleTypes, canPassTerrainTypes, canOut))
{
break;
}
if (!CanPass(astarMapPath, p.x, p.y + 1, canPassObstacleTypes, canPassTerrainTypes, canOut))
{
break;
}
}
lp = p;
tp = lp;
}
return(tp);
}
//检测轨迹是否可通过
// can_out 是否允许在场景外
public static bool CanPass(AStarMapPath astarMapPath, List <Vector2Int> trackList, int[] canPassObstacleTypes,
int[] canPassTerrainTypes, bool canOut = false)
{
if (trackList.Count == 0)
{
return(true);
}
Vector2Int lp = trackList[0];
if (trackList.Count == 1)
{
return(CanPass(astarMapPath, lp.x, lp.y, canPassObstacleTypes, canPassTerrainTypes, canOut));
}
for (int i = 1; i < trackList.Count; i++)
{
Vector2Int p = trackList[i];
if (!CanPass(astarMapPath, p.x, p.y, canPassObstacleTypes, canPassTerrainTypes, canOut))
{
return(false);
}
DirectionInfo directionInfo = DirectionInfoUtil.GetDirectionInfo(p.x - lp.x, p.y - lp.y);
// directionInfo = DirectionConst.GetDirectionInfo(0, 0);
if (directionInfo == DirectionInfoConst.LeftTopDirectionInfo) // 左上角
{
if (!CanPass(astarMapPath, p.x + 1, p.y, canPassObstacleTypes, canPassTerrainTypes, canOut))
{
return(false);
}
if (!CanPass(astarMapPath, p.x, p.y - 1, canPassObstacleTypes, canPassTerrainTypes, canOut))
{
return(false);
}
}
else if (directionInfo == DirectionInfoConst.RightTopDirectionInfo) // 右上角
{
if (!CanPass(astarMapPath, p.x - 1, p.y, canPassObstacleTypes, canPassTerrainTypes, canOut))
{
return(false);
}
if (!CanPass(astarMapPath, p.x, p.y - 1, canPassObstacleTypes, canPassTerrainTypes, canOut))
{
return(false);
}
}
else if (directionInfo == DirectionInfoConst.RightBottomDirectionInfo) // 右下角
{
if (!CanPass(astarMapPath, p.x - 1, p.y, canPassObstacleTypes, canPassTerrainTypes, canOut))
{
return(false);
}
if (!CanPass(astarMapPath, p.x, p.y + 1, canPassObstacleTypes, canPassTerrainTypes, canOut))
{
return(false);
}
}
else if (directionInfo == DirectionInfoConst.LeftBottomDirectionInfo) // 左下角
{
if (!CanPass(astarMapPath, p.x + 1, p.y, canPassObstacleTypes, canPassTerrainTypes, canOut))
{
return(false);
}
if (!CanPass(astarMapPath, p.x, p.y + 1, canPassObstacleTypes, canPassTerrainTypes, canOut))
{
return(false);
}
}
lp = p;
}
return(true);
}
