private static void ComputePortal(Vector3 startPos, Vector3 endPos, NPathGrid grid, out Vector3 leftPoint, out Vector3 rightPoint)
{
leftPoint = Vector3.zero;
rightPoint = Vector3.zero;
int startCellIndex = grid.GetCellIndex(startPos);
int endCellIndex = grid.GetCellIndex(endPos);
Bounds startCellBounds = grid.GetCellBounds(startCellIndex);
NPathGrid.eNeighborDirection neighborDirection = grid.GetNeighborDirection(startCellIndex, endCellIndex);
switch (neighborDirection)
{
case NPathGrid.eNeighborDirection.kTop:
leftPoint = new Vector3(startCellBounds.min.x, grid.Origin.y, startCellBounds.max.z);
rightPoint = new Vector3(startCellBounds.max.x, grid.Origin.y, startCellBounds.max.z);
break;
case NPathGrid.eNeighborDirection.kRight:
leftPoint = new Vector3(startCellBounds.max.x, grid.Origin.y, startCellBounds.max.z);
rightPoint = new Vector3(startCellBounds.max.x, grid.Origin.y, startCellBounds.min.z);
break;
case NPathGrid.eNeighborDirection.kBottom:
leftPoint = new Vector3(startCellBounds.max.x, grid.Origin.y, startCellBounds.min.z);
rightPoint = new Vector3(startCellBounds.min.x, grid.Origin.y, startCellBounds.min.z);
break;
case NPathGrid.eNeighborDirection.kLeft:
leftPoint = new Vector3(startCellBounds.min.x, grid.Origin.y, startCellBounds.min.z);
rightPoint = new Vector3(startCellBounds.min.x, grid.Origin.y, startCellBounds.max.z);
break;
default:
UnityEngine.Debug.LogError("ComputePortal failed to find a neighbor");
break;
}
;
}
public static void ComputePortals(Vector3[] roughPath, NPathGrid grid, out Vector3[] aLeftEndPts, out Vector3[] aRightEndPts)
{
aLeftEndPts = null;
aRightEndPts = null;
if (roughPath.Length < 2)
{
return;
}
aLeftEndPts = new Vector3[roughPath.Length - 1];
aRightEndPts = new Vector3[roughPath.Length - 1];
for (int i = 0; i < roughPath.Length - 1; i++)
{
Vector3 currentPos = roughPath[i];
Vector3 nextPos = roughPath[i + 1];
Vector3 leftPoint, rightPoint;
ComputePortal(currentPos, nextPos, grid, out leftPoint, out rightPoint);
aLeftEndPts[i] = leftPoint;
aRightEndPts[i] = rightPoint;
}
}
public void init(Vector3 origin)
{
m_grid = new NPathGrid();
m_grid.Awake(origin);
}
