pastemyst

trannsparent Movement

C#copy raw

using System;
using System.Collections;
using System.Collections.Generic;
using Unity.VisualScripting;
using UnityEngine;

public class transparentMovement : MonoBehaviour
{
    [SerializeField]
        private InputManager InputManager;
    [SerializeField]
        private GameObject previewObject;
    [SerializeField]
        private DatabaseSO database;
            private int selectedObjectIndex=-1;
    [SerializeField]
        private Material previewMaterialPrefab;
            private Material previewMaterialInstance;

private void Start()
    {
        previewMaterialInstance = new Material(previewMaterialPrefab);
    }
     public void StartShowingPlacementPreview(GameObject prefab)
    {
        previewObject = Instantiate(prefab);
        PreparePreview(previewObject);
    }
    private void PreparePreview(GameObject previewObject)
    {
        Renderer[] renderers = previewObject.GetComponentsInChildren<Renderer>();
        foreach(Renderer renderer in renderers)
        {
            Material[] materials = renderer.materials;
            for (int i = 0; i < materials.Length; i++)
            {
                materials[i] = previewMaterialInstance;
            }
            renderer.materials = materials;
        }
    }
     public void StopShowingPreview()
    {
        Destroy(previewObject );
    }
     public void UpdatePosition(Vector3 position)
    {
        MovePreview(position);
    }
    private void MovePreview(Vector3 position)
    {
        previewObject.transform.position = new Vector3(
            position.x, 
            position.y,     
            position.z);
    }   
   
}

Data Base

C#copy raw

Placeing Obj

C#copy raw

using System;
using System.Collections;
using System.Collections.Generic;
using Unity.VisualScripting;
using UnityEngine;

public class PlaceingObj : MonoBehaviour
{
    [SerializeField]
    private InputManager InputManager;
    private transparentMovement transparentMovement;
    [SerializeField]
    private DatabaseSO database;
    private int selectedObjectIndex=-1;
    [SerializeField]
    private transparentMovement preview;

void Start()
    {
         StopPlacement();
    }
    public void StartPlacement(int ID)
    {
        StopPlacement();
        selectedObjectIndex =database.objectsData.FindIndex(data => data.ID==ID);
         preview.StartShowingPlacementPreview(
            database.objectsData[selectedObjectIndex].Prefab);
        InputManager.OnClicked += PlaceStructure;
        InputManager.OnExit += StopPlacement;
       
    }
    private void PlaceStructure()
    {
        
        GameObject newObject = Instantiate(database.objectsData[selectedObjectIndex].Prefab);
        newObject.transform.position=InputManager.SelectMapPosition();
         Vector3 mousePosition = InputManager.SelectMapPosition();
        preview.UpdatePosition(mousePosition);

}
   
     private void StopPlacement()
    {
       
        selectedObjectIndex =-1;
        
       
        InputManager.OnClicked -= PlaceStructure;
        InputManager.OnExit -= StopPlacement;
       
       
    }
    // Update is called once per frame
    
    void Update()
    {
        if(selectedObjectIndex <0)
            return;
        Vector3 mousePosition = InputManager.SelectMapPosition();
        preview.UpdatePosition(mousePosition);

}
}

input Manager

C#copy raw

using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.EventSystems;

public class InputManager : MonoBehaviour
{
    [SerializeField]
    private Camera sceneCamera;
    private Vector3 lastPosition;
    [SerializeField]
    public  RaycastHit hit;
    [SerializeField]
    private LayerMask placementLayermask;
    public event Action OnClicked, OnExit;
    private void Update()
    {
        if(Input.GetMouseButtonDown(0))
            OnClicked?.Invoke();
        if(Input.GetKeyDown(KeyCode.Escape))
            OnExit?.Invoke();
    }
    public bool IsPointerOverUI()
        => EventSystem.current.IsPointerOverGameObject();
    public Vector3 SelectMapPosition()
    {
        Vector3 mousePos =Input.mousePosition;
        mousePos.z=sceneCamera.nearClipPlane;
        Ray ray=sceneCamera.ScreenPointToRay(mousePos);
       
        if(Physics.Raycast(ray,out hit,100,placementLayermask))
        {
            lastPosition =hit.point;
        }
        return lastPosition;
    }   
}