Почему после запекания Collider на том же месте остается, а Mesh меняет свою позицию?

Question

[dima89e]

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

public class WorldBaker2 : MonoBehaviour
{
  [SerializeField] private List<GameObject> blocksToBake = new List<GameObject>();
  // [SerializeField] private GameObject combinedContainer;
  [SerializeField] private LayerMask groundLayer;

  const float BlockScale = 1;

  private Mesh cubeMesh;
  private Transform currentBlock;

  private List<Vector3> verticies = new List<Vector3>();
  private List<Vector2> uvs = new List<Vector2>();
  private List<int> triangles = new List<int>();

  // 
  // // // private List<CombineInstance> combineInstances = new List<CombineInstance>();

  [ContextMenu("Bake World")]
  public void BakeWorld()
  {
    foreach (var item in blocksToBake)
    {
      currentBlock = item.transform;
      cubeMesh = new Mesh();

      // Удаляем существующий Collider (если есть)
      Collider existingCollider = currentBlock.gameObject.GetComponent<Collider>();
      if (existingCollider != null)
      {
        UnityEngine.Object.Destroy(existingCollider);
      }
      currentBlock.gameObject.AddComponent<MeshCollider>();

      RemakeMesh();

      //
      // // CombineInstance ci = new CombineInstance();
      // ci.mesh = cubeMesh;
      // ci.transform = currentBlock.localToWorldMatrix;
      // combineInstances.Add(ci);

      // item.SetActive(false);
      item.GetComponent<MeshFilter>().sharedMesh = cubeMesh;
    }

    Mesh finalMesh = new Mesh();
    // // finalMesh.CombineMeshes(combineInstances.ToArray());

    // Присваиваем объединенный меш combinedContainer
    // MeshFilter containerFilter = combinedContainer.GetComponent<MeshFilter>();
    // if (containerFilter == null)
    // {
      // containerFilter = combinedContainer.AddComponent<MeshFilter>();
    // }
    // containerFilter.sharedMesh = finalMesh;
    // Добавляем коллайдер к объединенному контейнеру
    // MeshCollider containerCollider = combinedContainer.GetComponent<MeshCollider>();
    // if (containerCollider == null)
    // {
      // containerCollider = combinedContainer.AddComponent<MeshCollider>();
    // }
    // containerCollider.sharedMesh = finalMesh;

    // HideBakedBlocks();

    print("baked");
  }

  private void HideBakedBlocks()
  {
    foreach (var item in blocksToBake)
    {
      item.SetActive(false);
    }
  }

  private void RemakeMesh()
  {
    verticies.Clear();
    uvs.Clear();
    triangles.Clear();

    RemakeBlock();

    cubeMesh.triangles = Array.Empty<int>();
    cubeMesh.vertices = verticies.ToArray();
    cubeMesh.uv = uvs.ToArray();
    cubeMesh.triangles = triangles.ToArray();

    cubeMesh.Optimize();

    cubeMesh.RecalculateNormals();
    cubeMesh.RecalculateBounds();

    currentBlock.GetComponent<MeshCollider>().sharedMesh = cubeMesh;
  }

  private void RemakeBlock()
  {

    if (!Physics.Raycast(currentBlock.position, Vector3.right, BlockScale, groundLayer)) GenerateRightSide();
    if (!Physics.Raycast(currentBlock.position, Vector3.left, BlockScale, groundLayer)) GenerateLeftSide();
    if (!Physics.Raycast(currentBlock.position, Vector3.forward, BlockScale, groundLayer)) GenerateFrontSide();
    if (!Physics.Raycast(currentBlock.position, Vector3.back, BlockScale, groundLayer)) GenerateBackSide();
    if (!Physics.Raycast(currentBlock.position, Vector3.up, BlockScale, groundLayer)) GenerateTopSide();
    if (!Physics.Raycast(currentBlock.position, Vector3.down, BlockScale, groundLayer)) GenerateBottomSide();
  }

  private void GenerateRightSide()
  {
    verticies.Add(new Vector3(1, 0, 0));
    verticies.Add(new Vector3(1, 1, 0));
    verticies.Add(new Vector3(1, 0, 1));
    verticies.Add(new Vector3(1, 1, 1));

    AddLastVerticiesSquare();
  }

  private void GenerateLeftSide()
  {
    print("generate left side");
    verticies.Add(new Vector3(0, 0, 0));
    verticies.Add(new Vector3(0, 0, 1));
    verticies.Add(new Vector3(0, 1, 0));
    verticies.Add(new Vector3(0, 1, 1));

    AddLastVerticiesSquare();
  }

  private void GenerateFrontSide()
  {
    verticies.Add(new Vector3(0, 0, 1));
    verticies.Add(new Vector3(1, 0, 1));
    verticies.Add(new Vector3(0, 1, 1));
    verticies.Add(new Vector3(1, 1, 1));

    AddLastVerticiesSquare();
  }

  private void GenerateBackSide()
  {
    verticies.Add(new Vector3(0, 0, 0));
    verticies.Add(new Vector3(0, 1, 0));
    verticies.Add(new Vector3(1, 0, 0));
    verticies.Add(new Vector3(1, 1, 0));

    AddLastVerticiesSquare();
  }

  private void GenerateTopSide()
  {
    verticies.Add(new Vector3(0, 1, 0));
    verticies.Add(new Vector3(0, 1, 1));
    verticies.Add(new Vector3(1, 1, 0));
    verticies.Add(new Vector3(1, 1, 1));

    AddLastVerticiesSquare();
  }

  private void GenerateBottomSide()
  {
    verticies.Add(new Vector3(0, 0, 0));
    verticies.Add(new Vector3(1, 0, 0));
    verticies.Add(new Vector3(0, 0, 1));
    verticies.Add(new Vector3(1, 0, 1));

    AddLastVerticiesSquare();
  }

  private void AddLastVerticiesSquare()
  {

    uvs.Add(new Vector2(0, 0));
    uvs.Add(new Vector2(0, 1));
    uvs.Add(new Vector2(1, 0));
    uvs.Add(new Vector2(1, 1));

    triangles.Add(verticies.Count - 4);
    triangles.Add(verticies.Count - 3);
    triangles.Add(verticies.Count - 2);

    triangles.Add(verticies.Count - 3);
    triangles.Add(verticies.Count - 1);
    triangles.Add(verticies.Count - 2);
  }
}