/// <summary>
/// 找到离目标最近的移动点
/// </summary>
public Vector2Int GetMovingTargetPos(BattleUnit unit, Vector2Int targetPos)
{
standingGrid = mapGrids[unit.Position.x][unit.Position.y];
targetGrid = standingGrid;
walkableRange = CircleTargets(unit.Steps);
int distance = 0;
int temp;
int index = 0;
bool isStraight;
bool tempStraight;
distance = MathCalculator.GetBattleGridDistance(targetPos, walkableRange[0].Position, out isStraight);
Debug.Log("Total range = " + walkableRange.Count + "," + walkableRange[0].Position + "," + distance + "," + isStraight);
for (int i = 1; i < walkableRange.Count; i++)
{
Debug.Log(walkableRange[i].Position + "," + walkableRange[i].Walkable);
if (!walkableRange[i].Walkable)
{
continue;
}
temp = MathCalculator.GetBattleGridDistance(targetPos, walkableRange[i].Position, out tempStraight);
Debug.Log(walkableRange[i].Position + "," + distance + "," + isStraight);
if (temp < distance || (!isStraight && tempStraight))
{
distance = temp;
isStraight = tempStraight;
index = i;
}
}
return(walkableRange[index].Position);
}