Merge branch 'master' into Equip

client_Wu Xijin

2019-03-05 efa5f8d07fc3321f6ac5f5d97fb422db28d0886f

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using UnityEngine; 
using UnityEngine.AI; 
 
public class PathFinder 
{ 
    public static Vector3 AdjustPosition(Vector3 position) 
    { 
        NavMeshHit _navMeshHit; 
        position.y = 0; 
        if (NavMesh.SamplePosition(position, out _navMeshHit, 10, NavMesh.AllAreas)) 
        { 
            return _navMeshHit.position; 
        } 
        return position; 
    } 
 
    private static NavMeshPath _path = new NavMeshPath(); 
    public static bool WalkAble(Vector3 source, Vector3 dest) 
    { 
        source.y = 0; 
        dest.y = 0; 
        NavMesh.CalculatePath(source, dest, -1, _path); 
        if (_path.corners != null && _path.corners.Length > 0) 
        { 
            return true; 
        } 
        return false; 
    } 
 
    public static bool TryGetValidDest(Vector3 start, Vector3 dest, ref Vector3 validDest) 
    { 
        dest = AdjustPosition(dest); 
        start.y = 0; 
        dest.y = 0; 
        NavMesh.CalculatePath(start, dest, -1, _path); 
        if (_path.corners != null && _path.corners.Length > 0) 
        { 
            validDest = _path.corners[_path.corners.Length - 1]; 
            return true; 
        } 
        return false; 
    } 
}