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


[Serializable]
public class SubMeshes

{
    public MeshRenderer meshRenderer;

    public Vector3 originalPosition;

    public Vector3 explodedPosition;
}


public class ThreeDModelFunctions : MonoBehaviour

{
    #region Variables

    public List<SubMeshes> childMeshRenderers;

    bool isInExplodedView = false;

    public float explosionSpeed = 0.1f;

    bool isMoving = false;

    #endregion


    #region UnityFunctions

    private void Awake()

    {
        childMeshRenderers = new List<SubMeshes>();


        foreach (var item in GetComponentsInChildren<MeshRenderer>())

        {
            SubMeshes mesh = new SubMeshes();

            mesh.meshRenderer = item;

            mesh.originalPosition = item.transform.position;

            mesh.explodedPosition = item.bounds.center * 10;

            childMeshRenderers.Add(mesh);
        }
    }


    private void Update()
    {
        if (isMoving)
        {
            if (isInExplodedView)

            {
                foreach (var item in childMeshRenderers)

                {
                    item.meshRenderer.transform.position = Vector3.Lerp(item.meshRenderer.transform.position,
                        item.explodedPosition, explosionSpeed);


                    if (Vector3.Distance(item.meshRenderer.transform.position, item.explodedPosition) < 0.001f)

                    {
                        isMoving = false;
                    }
                }
            }

            else

            {
                foreach (var item in childMeshRenderers)

                {
                    item.meshRenderer.transform.position = Vector3.Lerp(item.meshRenderer.transform.position,
                        item.originalPosition, explosionSpeed);


                    if (Vector3.Distance(item.meshRenderer.transform.position, item.originalPosition) < 0.001f)

                    {
                        isMoving = false;
                    }
                }
            }
        }
    }

    #endregion


    #region CustomFunctions

    public void ToggleExplodedView()

    {
        if (isInExplodedView)

        {
            isInExplodedView = false;

            isMoving = true;
        }

        else

        {
            isInExplodedView = true;

            isMoving = true;
        }
    }

    #endregion
}