学习目标：熟悉塔防游戏核心战斗

游戏画面

项目结构目录

核心代码：

if ( Input.GetMouseButtonDown(0))
        {
            if (EventSystem.current.IsPointerOverGameObject()==false)
            {
                //开发炮台的建造
                Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
                RaycastHit hit;
                bool isCollider = Physics.Raycast(ray,out hit, 1000, LayerMask.GetMask("MapCube"));
                if (isCollider)
                {
                    MapCube mapCube = hit.collider.GetComponent<MapCube>();
                    if (selectedTurretData != null && mapCube.turretGo == null)
                    {
                        //可以创建 
                        if (money > selectedTurretData.cost)
                        {
                            ChangeMoney(-selectedTurretData.cost);
                            mapCube.BuildTurret(selectedTurretData);
                        }
                        else
                        {
                            //提示钱不够
                            moneyAnimator.SetTrigger("Flicker");
                        }
                    }
                    else if (mapCube.turretGo != null)
                    {
                        
                        // 升级处理
                        
                        //if (mapCube.isUpgraded)
                        //{
                        //    ShowUpgradeUI(mapCube.transform.position, true);
                        //}
                        //else
                        //{
                        //    ShowUpgradeUI(mapCube.transform.position, false);
                        //}
                        if (mapCube == selectedMapCube && upgradeCanvas.activeInHierarchy)
                        {
                            StartCoroutine(HideUpgradeUI());
                        }
                        else
                        {
                            ShowUpgradeUI(mapCube.transform.position, mapCube.isUpgraded);
                        }
                        selectedMapCube = mapCube;
                    }

                }
            }
        }
    }

下载链接：TowerDefenseProject: 简单塔防小游戏