// ---------------------------------------------------------------------------------------------
// create single voxel
// ---------------------------------------------------------------------------------------------
private VoxelUtils.VoxelChunk createVoxelChunk(VoxelUtils.VoxelVector3Int p, int w, int h, int d)
{
GameObject cube = GameObject.Instantiate(_prefabChunk);
cube.transform.SetParent(_voxelChunkContainer);
_iCount++;
cube.name = "cube_" + _iCount.ToString();
float width = w * VoxelUtils.CHUNK_SIZE;
float height = h * VoxelUtils.CHUNK_SIZE;
float depth = d * VoxelUtils.CHUNK_SIZE;
Vector3 pos = new Vector3((p.x * VoxelUtils.CHUNK_SIZE) + (width / 2f), (p.y * VoxelUtils.CHUNK_SIZE) + (height / 2f), (p.z * VoxelUtils.CHUNK_SIZE) + (depth / 2f));
Bounds b = new Bounds();
b.size = new Vector3(width, height, depth);
b.center = pos;
VoxelUtils.VoxelChunk vs = new VoxelUtils.VoxelChunk();
vs.go = cube;
vs.goPos = pos;
vs.pos = p;
vs.size = new VoxelUtils.VoxelVector3Int(w, h, d);
vs.bounds = b; //coll.bounds;
vs.corners = VoxelUtils.createVoxelCorners(p, w, h, d);
return(vs);
}
// ---------------------------------------------------------------------------------------------
public void reset()
{
foreach (Transform child in _voxelChunkContainer)
{
GameObject.Destroy(child.gameObject);
}
_aVoxelChunks.Clear();
_iCount = 0;
// create the full chunk voxel
VoxelUtils.VoxelVector3Int pos = VoxelUtils.convertVector3ToVoxelVector3Int(Vector3.zero);
VoxelUtils.VoxelChunk vs = createVoxelChunk(pos, VoxelUtils.MAX_CHUNK_UNITS, VoxelUtils.MAX_CHUNK_UNITS, VoxelUtils.MAX_CHUNK_UNITS);
_aVoxelChunks.Add(vs);
setVoxelChunkMesh(_aVoxelChunks [0]);
}
// ---------------------------------------------------------------------------------------------
//
// ---------------------------------------------------------------------------------------------
private VoxelUtils.VoxelChunk createCutVoxelChunk(VoxelUtils.VoxelVector3Int p, int w, int h, int d)
{
float width = w * VoxelUtils.CHUNK_SIZE;
float height = h * VoxelUtils.CHUNK_SIZE;
float depth = d * VoxelUtils.CHUNK_SIZE;
Vector3 pos = new Vector3((p.x * VoxelUtils.CHUNK_SIZE) + (width / 2f), (p.y * VoxelUtils.CHUNK_SIZE) + (height / 2f), (p.z * VoxelUtils.CHUNK_SIZE) + (depth / 2f));
Bounds b = new Bounds(); //coll.bounds;
b.size = new Vector3(width - VoxelUtils.CHUNK_SIZE, height - VoxelUtils.CHUNK_SIZE, depth - VoxelUtils.CHUNK_SIZE);
b.center = pos;
VoxelUtils.VoxelChunk vs = new VoxelUtils.VoxelChunk();
vs.pos = p;
vs.size = new VoxelUtils.VoxelVector3Int(w, h, d);
vs.bounds = b; //coll.bounds;
vs.corners = VoxelUtils.createVoxelCorners(p, w, h, d);
return(vs);
}
// ---------------------------------------------------------------------------------------------
// cut a hole!
// ---------------------------------------------------------------------------------------------
public bool subtractChunk(Vector3 v3Pos, Vector3 v3Size)
{
bool success = true;
//float timer = Time.realtimeSinceStartup;
VoxelUtils.VoxelVector3Int pos = VoxelUtils.convertVector3ToVoxelVector3Int(v3Pos);
VoxelUtils.VoxelChunk vsCut = createCutVoxelChunk(pos, (int)v3Size.x, (int)v3Size.y, (int)v3Size.z);
// does the new voxel intersect with any existing voxels?
bool splittage = splitVoxels(vsCut);
int loops = 0;
while (splittage && loops < 1000)
{
splittage = splitVoxels(vsCut);
loops++;
}
if (loops >= 1000)
{
Debug.LogWarning("looks like we got ourselves an endless loop here!");
success = false;
}
else
{
int i, len = _aVoxelChunks.Count;
for (i = 0; i < len; ++i)
{
setVoxelChunkMesh(_aVoxelChunks [i]);
}
}
//Debug.Log ("Time to create chunk(s): " + (Time.realtimeSinceStartup - timer).ToString ());
return(success);
}