// Methods
private void OnDrawGizmos()
{
if (astar != null)
{
AStarGrid grid = astar.Grid;
for (int i = 0; i < grid.NumCols; i++)
{
for (int j = 0; j < grid.NumRows; j++)
{
AStarGridNode nodeAtPosition = grid.GetNodeAtPosition(i, j);
if (drawNodesCenter)
{
Gizmos.color = Color.cyan;
Gizmos.DrawWireSphere((Vector3)nodeAtPosition.Position, centerSize);
}
}
}
ArrayList path = astar.Path;
if (path != null)
{
for (int k = 0; k < path.Count; k++)
{
AStarGridNode node2 = path[k] as AStarGridNode;
if ((node2 != null) && drawPathNodesCenter)
{
Gizmos.color = Color.blue;
Gizmos.DrawWireSphere((Vector3)node2.Position, centerSize);
}
}
}
}
}
/// <summary>
/// 初始化函数
/// </summary>
/// <param name="g">进行A*计算的网格信息</param>
public void InitWithGrid(AStarGrid g)
{
Grid = g;
// 就是根号2的值
mDiagonalCost = 1.414;
// 直线行进的成本，表示一个格子的成本为1
mStraightCost = 1.0;
// 启发函数类型
mHeuristicType = Heuristic.MANHATTAN;
mOpenTable = new ArrayList();
mClosedTable = new ArrayList();
Path = new ArrayList();
}
