移动塔的时候碰到空塔位给一个虚影，没有资源暂时return

wangguan

2020-11-09 5d16d6e5172daf42d386baa5c09663b422f05a59

 Assets/Scripts/TowerDefense/UI/HUD/EndlessGameUI.cs

@@ -600,12 +600,16 @@
            UIPointer pointer = WrapPointer(pinfo);
            Tower sTower = PickTowerInGrid(pointer);
            if (sTower != null)
            {
                return false;
            }

            if ((m_GridPosition.x >= 0) && (m_GridPosition.y >= 0))
            {
                if (m_CurrentArea.isFreeAtackPos(m_GridPosition.x, m_GridPosition.y))
                {
                    return true;
                }
            }

            return false;
@@ -838,6 +842,21 @@
            overTimer = null;
        }

        public MeshRenderer temporaryMat;//移动时候的虚像材质

        public void CheckTowerPlace(PointerInfo pointerInfo)
        {
            return;
            //下面是为了设置一个虚拟的塔
            if (isFreeAttackGrid(pointerInfo) && m_CurrentTower.controller.towerFeature == EFeatureTower.NULL)
            {
                Debug.Log("得到了一个空的塔位");

                (m_CurrentArea as TowerPlacementGridEndless).GetMeshRender(m_GridPosition.x, m_GridPosition.y, "1");
                //if(temporaryMat)
            }
        }

        /// <summary>
        /// 拖动一个Tower之后，松开鼠标或者EndDrag.
        /// 1: 目标点可合成，则直接合成。
@@ -847,6 +866,12 @@
        public void onEndTowerDrag(PointerInfo pointerInfo)
        {
            bool bSkill = false;
            if (temporaryMat != null)
            {
                //移动虚像隐藏
                temporaryMat.material = null;
            }

            if (!m_CurrentTower || !m_CurrentTower.controller)
            {
                CancelPlaceTower(pointerInfo);