/// <summary>
/// 计算到目标点的路径
/// </summary>
void CalcMovePath()
{
if (mWalkMode == EWalkMode.EWM_Dst)// 只有走到目标点的行走方式才需要寻路
{
mDestList.Clear();
walkMeshPath.ClearCorners();
XNavMesh.CalculatePath(mOwnerTrans.position, mDst, LevelManager.GetInstance().AreaExclude, walkMeshPath);
if (walkMeshPath.status == XNavMeshPathStatus.PathComplete && walkMeshPath.corners.GetLength(0) >= 2)
{
// 调整路径的拐弯点
Vector3[] adjuestCorners = walkMeshPath.corners;
#if UNITY_EDITOR
if (mOwner is LocalPlayer)
{
for (int j = 1; j < adjuestCorners.Length; ++j)
{
Debug.DrawLine(adjuestCorners[j - 1], adjuestCorners[j], Color.red, 1.0f * adjuestCorners.Length);
}
}
#endif
int len = adjuestCorners.Length;
if (len > 3)
{
adjuestCorners = new Vector3[len];
adjuestCorners[0] = walkMeshPath.corners[0];
for (int i = 1; i < len; ++i)
{
if (i + 1 >= len)
{
adjuestCorners[i] = walkMeshPath.corners[i];
break;
}
Vector3 pre_vec = walkMeshPath.corners[i - 1] - walkMeshPath.corners[i];
pre_vec.y = 0;
pre_vec.Normalize();
Vector3 next_vec = walkMeshPath.corners[i + 1] - walkMeshPath.corners[i];
next_vec.y = 0;
next_vec.Normalize();
if (pre_vec.sqrMagnitude < minCornerDis || next_vec.sqrMagnitude < minCornerDis)
{
adjuestCorners[i] = walkMeshPath.corners[i];
continue;
}
// 先计算调整后的位置(增加MoveImpl.Radius)
Vector3 middle_vec = pre_vec + next_vec;
var adjuestCorner = walkMeshPath.corners[i] - middle_vec * (0.8f + MoveImpl.Radius * 2);
// 在该位置点附近进行采样
XNavMeshHit nearestHit;
if (XNavMesh.SamplePosition(adjuestCorner, out nearestHit, 5f, LevelManager.GetInstance().AreaExclude))
{
// 如果调整后的位置可行走，则使用新位置，否则使用原始位置
var dis = nearestHit.position - adjuestCorner;
if (dis.sqrMagnitude < 0.01f)
{
adjuestCorners[i] = walkMeshPath.corners[i] - middle_vec * 0.8f;
}
else
{
adjuestCorners[i] = walkMeshPath.corners[i];
}
}
else
{
adjuestCorners[i] = walkMeshPath.corners[i];
}
}
}
mDst = adjuestCorners[1];
for (int j = 1; j < adjuestCorners.Length; ++j)
{
mDestList.Add(adjuestCorners[j]);
}
if (mOwner.IsLocalPlayer)
{
ClientEventMgr.GetInstance().FireEvent((int)ClientEvent.CE_ACTOR_PATH_POINTS_CHANGED, null);
}
#if UNITY_EDITOR
if (mOwner is LocalPlayer)
{
for (int j = 1; j < adjuestCorners.Length; ++j)
{
Debug.DrawLine(adjuestCorners[j - 1], adjuestCorners[j], Color.green, 1f * adjuestCorners.Length);
}
}
#endif
}
else
{
// 如果寻路不成功，则设置目标点为初始点
mDst = mOwnerTrans.position;
}
mWalkToPoint = false;
}
}
