// ==== 更新voxel
public void RebuildMesh()
{
if (!initialized)
{
Initialize();
}
//销毁额外的mesh容器
foreach (Transform child in transform)
{
Destroy(child.gameObject);
}
int x = 0, y = 0, z = 0;
// 刷新一下
chunk.GetNeighbors();
//对于每一个voxel，检查表面是否暴露，若是，把面加入到数组中
while (x < SideLength)
{
while (y < SideLength)
{
while (z < SideLength)
{
ushort voxel = chunk.GetVoxel(x, y, z); // current voxel data
if (voxel != 0)
{ // 不管空的
Voxel voxelType = Engine.GetVoxelType(voxel);
if (voxelType.VCustomMesh == false)
{ //是个块
Transparency transparency = voxelType.VTransparency;
ColliderType colliderType = voxelType.VColliderType;
if (CheckAdjacent(x, y, z, Direction.forward, transparency) == true)
{
CreateFace(voxel, Facing.forward, colliderType, x, y, z);
}
if (CheckAdjacent(x, y, z, Direction.back, transparency) == true)
{
CreateFace(voxel, Facing.back, colliderType, x, y, z);
}
if (CheckAdjacent(x, y, z, Direction.up, transparency) == true)
{
CreateFace(voxel, Facing.up, colliderType, x, y, z);
}
if (CheckAdjacent(x, y, z, Direction.down, transparency) == true)
{
CreateFace(voxel, Facing.down, colliderType, x, y, z);
}
if (CheckAdjacent(x, y, z, Direction.right, transparency) == true)
{
CreateFace(voxel, Facing.right, colliderType, x, y, z);
}
if (CheckAdjacent(x, y, z, Direction.left, transparency) == true)
{
CreateFace(voxel, Facing.left, colliderType, x, y, z);
}
if (colliderType == ColliderType.none && Engine.GenerateColliders)
{
AddCubeMesh(x, y, z, false);
}
}
else
{ // 不是个块
if (CheckAllAdjacent(x, y, z) == false)
{ //如果相邻voxel都是不透明的
CreateCustomMesh(voxel, x, y, z, voxelType.VMesh);
}
}
}
z += 1;
}
z = 0;
y += 1;
}
y = 0;
x += 1;
}
// 更新mesh
UpdateMesh(GetComponent <MeshFilter>().mesh);
}
public ushort GetVoxel()
{
return(chunk.GetVoxel(index));
}