Unity C＃生成Voxel Terrain的自定义网格未正确加载

Question

因此，我正在创建类似于Minecraft的无限地形系统。我自己是出于个人兴趣来学习的。我最有用的所有东西，而且我做出了一些功能来生成立方体的面孔，然后将它们全部添加到一个块中，但是由于某种原因，我得到了一个非常奇怪的东西，其中每一行都是随机随机的比其他人高得多，破坏了整个网格。任何能够理解原因的人，因为我完全失去了这个问题。

注意：突出显示的部分应该是一个奇异的块，它延伸到整个块。它们的每组都落后于上一组，它应该是顶部完全平坦的脸。

// Face Generator
    public enum Face { top, bottom, north, south, west, east };
    public Mesh GetMeshDataFromFace(Face face, Vector3 pos)
    {
        Mesh _face = new Mesh();

        Vector3[] _normals = new Vector3[4];

        if (face == Face.top)
        {
            //Create the mesh for a upwards facing surface.

            _face.vertices = new Vector3[] {
                pos + new Vector3(0, 1, 0),
                pos + new Vector3(1, 1, 0),
                pos + new Vector3(1, 1, 1),
                pos + new Vector3(0, 1, 1)
            };

            _face.triangles = new int[]{
                0, 3, 2, 2, 1, 0
            };

            _normals = new Vector3[]{
                Vector3.up, Vector3.up,  Vector3.up, Vector3.up
            };
        }

        if (face == Face.bottom)
        {
            //Create the mesh for a upwards facing surface.

            _face.vertices = new Vector3[] {
                pos + new Vector3(0, 0, 0),
                pos + new Vector3(1, 0, 0),
                pos + new Vector3(1, 0, 1),
                pos + new Vector3(0, 0, 1)
            };

            _normals = new Vector3[]{
                Vector3.down, Vector3.down, Vector3.down, Vector3.down
            };

            _face.triangles = new int[]{
                0, 1, 2, 2, 3, 0
            };
        }

        if (face == Face.north)
        {
            //Create the mesh for a upwards facing surface.

            _face.vertices = new Vector3[] {
                pos + new Vector3(0, 0, 1),
                pos + new Vector3(1, 0, 1),
                pos + new Vector3(1, 1, 1),
                pos + new Vector3(0, 1, 1)
            };

            _normals = new Vector3[]{
                Vector3.right, Vector3.right, Vector3.right, Vector3.right
            };

            _face.triangles = new int[]{
                0, 1, 2, 2, 3, 0
            };
        }

        if (face == Face.south)
        {
            //Create the mesh for a upwards facing surface.

            _face.vertices = new Vector3[] {
                pos + new Vector3(0, 0, 0),
                pos + new Vector3(1, 0, 0),
                pos + new Vector3(1, 1, 0),
                pos + new Vector3(0, 1, 0)
            };

            _normals = new Vector3[]{
                Vector3.left, Vector3.left, Vector3.left, Vector3.left
            };

            _face.triangles = new int[]{
                0, 3, 1, 3, 2, 1
            };
        }

        if (face == Face.west)
        {
            //Create the mesh for a upwards facing surface.

            _face.vertices = new Vector3[] {
                pos + new Vector3(0, 0, 0), // 0
                pos + new Vector3(0, 1, 0), // 3
                pos + new Vector3(0, 1, 1), // 7
                pos + new Vector3(0, 0, 1) // 4
            };

            _normals = new Vector3[]{
                Vector3.back, Vector3.back, Vector3.back, Vector3.back
            };

            _face.triangles = new int[]{
                2, 1, 0, 0, 3, 2
            };
        }

        if (face == Face.east)
        {
            //Create the mesh for a upwards facing surface.

            _face.vertices = new Vector3[] {
                pos + new Vector3(1, 0, 0),
                pos + new Vector3(1, 1, 0),
                pos + new Vector3(1, 1, 1),
                pos + new Vector3(1, 0, 1)
            };

            _normals = new Vector3[]{
                Vector3.forward, Vector3.forward, Vector3.forward, Vector3.forward
            };

            _face.triangles = new int[]{
                0, 1, 2, 2, 3, 0
            };
        }

        _face.SetNormals(_normals);

        return _face;
    }

块存储数据作为单数字节[] 4096索引的阵列。 这是生成网格的代码。

public Mesh CreateChunkMesh(ChunkObject chunkObj)
    {
        Chunk chunkData = chunkObj.chunkData;

        Mesh mesh = new Mesh();

        List<Mesh> meshesToCombine = new List<Mesh>();

        for (int i = 0; i < chunkData.blocks.Length; i++)
        {
            if (chunkData.blocks[i] != 0)
            {

                Vector3 blockPos = new Vector3((i % 16), Mathf.Floor(i % 256), Mathf.Floor((i % 256) / 16));
                Debug.Log(i + " | " + blockPos);

                if (i + 256 >= chunkData.blocks.Length)
                {
                    //This is the top layer of blocks.
                    if (!_loadedChunkObjs.ContainsKey(chunkObj.chunkPosition + new Vector3Int(0, 1, 0)))
                    {
                        //If the block ABOVE this block is air then draw the face.
                        meshesToCombine.Add(GetMeshDataFromFace(Face.top, blockPos));
                    }
                }

                if (i < 256)
                {
                    if (!_loadedChunkObjs.ContainsKey(chunkObj.chunkPosition + new Vector3Int(0, -1, 0)))
                    {
                        //If the block ABOVE this block is air then draw the face.
                        meshesToCombine.Add(GetMeshDataFromFace(Face.bottom, blockPos));
                    }
                }

                if ((i % 256) < 16)
                {
                    //This is the EAST layer of the chunk.
                    if (!_loadedChunkObjs.ContainsKey(chunkObj.chunkPosition + new Vector3Int(0, 0, 1)))
                    {
                        //If the block ABOVE this block is air then draw the face.
                        meshesToCombine.Add(GetMeshDataFromFace(Face.east, blockPos));
                    }
                }

                if ((i % 256) >= 240)
                {
                    //This is the WEST layer of the chunk.
                    if (!_loadedChunkObjs.ContainsKey(chunkObj.chunkPosition + new Vector3Int(0, 0, -1)))
                    {
                        //If the block ABOVE this block is air then draw the face.
                        meshesToCombine.Add(GetMeshDataFromFace(Face.west, blockPos));
                    }
                }

                if (i % 16 == 0)
                {
                    //This is the NORTH layer of the chunk
                    if (!_loadedChunkObjs.ContainsKey(chunkObj.chunkPosition + new Vector3Int(1, 0, 0)))
                    {
                        //If the block ABOVE this block is air then draw the face.
                        meshesToCombine.Add(GetMeshDataFromFace(Face.north, blockPos));
                    }
                }

                if (i % 16 == 1)
                {
                    //This is the SOUTH layer of the chunk.
                    if (!_loadedChunkObjs.ContainsKey(chunkObj.chunkPosition + new Vector3Int(-1, 0, 0)))
                    {
                        //If the block ABOVE this block is air then draw the face.
                        meshesToCombine.Add(GetMeshDataFromFace(Face.south, blockPos));
                    }
                }

                //This block is not within any of the faces.
                //Check each direction of the block
                if (i + 256 <= chunkData.blocks.Length)
                {
                    if (chunkData.blocks[i + 255] == 0) //TOP direction
                    {
                        //If the block ABOVE this block is air then draw the face.
                        meshesToCombine.Add(GetMeshDataFromFace(Face.top, blockPos));
                    }
                }

                if (i - 256 >= 0)
                {
                    if (chunkData.blocks[i - 256] == 0) //BOTTOM Direction
                    {
                        //If the block BELOW this block is air then draw the face.
                        meshesToCombine.Add(GetMeshDataFromFace(Face.bottom, blockPos));
                    }
                }

                if (i + 1 <= chunkData.blocks.Length - 1)
                {
                    if (chunkData.blocks[i + 1] == 0) //NORTH Direction
                    {
                        //If the block NORTH of this block is air then draw the face.
                        meshesToCombine.Add(GetMeshDataFromFace(Face.north, blockPos));
                    }
                }

                if (i - 1 >= 0)
                {
                    if (chunkData.blocks[i - 1] == 0) //SOUTH Direction
                    {
                        //If the block SOUTH of this block is air then draw the face.
                        meshesToCombine.Add(GetMeshDataFromFace(Face.south, blockPos));
                    }
                }

                if (i + 16 <= chunkData.blocks.Length)
                {
                    if (chunkData.blocks[i + 15] == 0) //WEST Direction
                    {
                        //If the block WEST of this block is air then draw the face.
                        meshesToCombine.Add(GetMeshDataFromFace(Face.west, blockPos));
                    }
                }

                if (i - 16 >= 0)
                {
                    if (chunkData.blocks[i - 16] == 0) //EAST Direction
                    {
                        //If the block EAST of this block is air then draw the face.
                        meshesToCombine.Add(GetMeshDataFromFace(Face.east, blockPos));
                    }
                }
            }
        }

        CombineInstance[] combine = new CombineInstance[meshesToCombine.Count];

        for (int i = 0; i < combine.Length; i++)
        {
            combine[i].mesh = meshesToCombine[i];
            combine[i].transform = chunkObj.transform.localToWorldMatrix;
        }

        mesh.CombineMeshes(combine);

        return mesh;
    }

如果有任何必要的详细信息，我不包括让我知道并添加它们，