// Start is called before the first frame update
void Start()
{
//also from youtube
for (int x = 0; x < chunkSizeVerts; x++)
{
for (int y = 0; y < chunkSizeVerts; y++)
{
for (int z = 0; z < chunkSizeVerts; z++)
{
float noise = Perlin3D(x * noiseScale, y * noiseScale, z * noiseScale);
if (noise >= threshold) //here we pass floats instead so that Perlin behaves
{
//sampling unity's perlin noise with an integer returns the same value, which was less than the threshold
//Instantiate(blockPrefab, new Vector3(x, y, z), Quaternion.identity);//not rotated is what quaternion.identity says
//^^ this is if you treat each point as a cube. I will treat each point as a vertex instead.
/*bool xSafe = false;
* bool ySafe = false;
* bool zSafe = false;
* if (x == chunkSize - 1)
* {
* //check edges (x - 1)
* }
* else
* {
* //check edges (x + 1)
* }
* if (y == chunkSize - 1)
* {
* //check y edges accordingly
* }
* else
* {
* //check edges (y + 1)
* }
* if (z == chunkSize - 1)
* {
* //check z edges accordingly
* }
* else
* {
* //check edges (z + 1)
* }
* if (xSafe && ySafe && zSafe) { //make sure that we have checked edges, if all edges are filled, then it is safe to set to 0; we are checking if a cube is like covered or not
* chunkData[chunkSize - x - 1, chunkSize - y - 1, z] = 0;
* }
* else
* {
* chunkData[chunkSize - x - 1, chunkSize - y - 1, z] = 1;
* }*/
chunkData[chunkSizeVerts - x - 1, chunkSizeVerts - y - 1, z] = 1;
}
else
{
chunkData[chunkSizeVerts - x - 1, chunkSizeVerts - y - 1, z] = 0;//idk if it instantiates to all 0's
}
}
}
}
chunkData = hollowOut(chunkData);
//now that we have our verticies, lets march some cubes?
//some for loop logic to get to one cube
//now that we are at a cube:
//check each of the 8 verticies to see if it is on or off
//index = 0;
//for all of the 8
//index += (vertex value [1 or 0]) * 2^(vertex index)
//lookup, then make triangle
CombineInstance[] wholeMesh = new CombineInstance[(int)Mathf.Pow(chunkSizeBlocks, 3)];
Mesh mesh = GetComponent <MeshFilter>().mesh;
mesh.Clear();
int[] initialVoxels = { (int)chunkData[0, 0, 0], (int)chunkData[1, 0, 0], (int)chunkData[1, 0, 1], (int)chunkData[0, 0, 1], (int)chunkData[0, 1, 0], (int)chunkData[1, 1, 0], (int)chunkData[1, 1, 1], (int)chunkData[0, 1, 1] };
Mesh temp = MarchingCubes3.perCube(new Vector3(0, 0, 0), initialVoxels, 0);
//foreach (int i in initialVoxels)
// Debug.Log(i);
//mesh.triangles = temp.triangles;
//mesh.vertices = temp.vertices;
//mesh.RecalculateBounds();
//mesh.RecalculateNormals();
wholeMesh[0] = new CombineInstance();
wholeMesh[0].mesh = temp;
//per chunk
for (int x = 0; x < chunkSizeVerts - 1; x++) //or x < chunkSizeBlocks
{
for (int y = 0; y < chunkSizeVerts - 1; y++)
{
for (int z = 0; z < chunkSizeVerts - 1; z++)
{
if (x == 0 && y == 0 && z == 0)
{
continue;
}
//set blockNum somehow
int blockNum = (int)(z + y * (Mathf.Pow(chunkSizeBlocks, 1)) + x * (Mathf.Pow(chunkSizeBlocks, 2)));
//percube
int[] voxels = { (int)chunkData[x, y, z], (int)chunkData[x + 1, y, z], (int)chunkData[x + 1, y, z + 1], (int)chunkData[x, y, z + 1], (int)chunkData[x, y + 1, z], (int)chunkData[x + 1, y + 1, z], (int)chunkData[x + 1, y + 1, z + 1], (int)chunkData[x, y + 1, z + 1] }; //this is a line worth checking, I made it match up with MarchingCubes3.localVerticies
Mesh m = MarchingCubes3Clean.perCube(new Vector3(0, 0, 0), voxels, blockNum);
//^^ this causes unity to freeze up
//if combineInstance has too many verts: //IMPLEMENT THIS LOGIC LATER, MAYBE IF COMBINING CHUNKS???
//save the current combineInstance to a mesh
//make a new one
//Debug.Log(wholeMesh[blockNum]);
wholeMesh[blockNum] = new CombineInstance();
wholeMesh[blockNum].mesh = m;
//Debug.Log(wholeMesh[blockNum]);
//wholeMesh[blockNum].transform. = MarchingCubes3Clean.beginningCoordinates(new Vector3(0, 0, 0), blockNum);//comes with the mesh???
//merge meshes
}
}
}
/*mesh.Clear();
*
* mesh.CombineMeshes(wholeMesh);
*
* mesh.RecalculateBounds();
* mesh.RecalculateNormals();*/
//Mesh mesh = GetComponent<MeshFilter>().mesh;
mesh = GetComponent <MeshFilter>().mesh; //mesh is invisible now.
mesh.Clear();
mesh.CombineMeshes(wholeMesh);
//mesh.Optimize();
//MeshCollider meshCollider = GetComponent<MeshCollider>();
//meshCollider.sharedMesh = GetComponent<MeshFilter>().mesh; //this won't work but i want it to :(, also it shows up as black and unlit???
//I think the mesh is centered but idk...
mesh.RecalculateBounds();
mesh.RecalculateNormals();
}
// Start is called before the first frame update
void Start()
{
//also from youtube
for (int x = 0; x < chunkSizeBlocks; x++)
{
for (int y = 0; y < chunkSizeBlocks; y++)
{
for (int z = 0; z < chunkSizeBlocks; z++)
{
float noise = Perlin3D(x * noiseScale, y * noiseScale, z * noiseScale);
if (noise >= threshold) //here we pass floats instead so that Perlin behaves
{
//sampling unity's perlin noise with an integer returns the same value, which was less than the threshold
//Instantiate(blockPrefab, new Vector3(x, y, z), Quaternion.identity);//not rotated is what quaternion.identity says
ogChunkData[chunkSizeBlocks - x - 1, chunkSizeBlocks - y - 1, z] = 1;
}
else
{
ogChunkData[chunkSizeBlocks - x - 1, chunkSizeBlocks - y - 1, z] = 0;//idk if it instantiates to all 0's
}
}
}
}
hollowedChunkData = hollowOut(ogChunkData);
//now that we have our verticies, lets march some cubes?
//some for loop logic to get to one cube
//now that we are at a cube:
//check each of the 8 verticies to see if it is on or off
//index = 0;
//for all of the 8
//index += (vertex value [1 or 0]) * 2^(vertex index)
//lookup, then make triangle
/*CombineInstance[] wholeMesh = new CombineInstance[(int)Mathf.Pow(chunkSizeBlocks, 3)];
*
* Mesh mesh = GetComponent<MeshFilter>().mesh;
*
* mesh.Clear();
*
* //int[] initialVoxels = { (int) hollowedChunkData[0, 0, 0], (int) hollowedChunkData[1, 0, 0], (int) hollowedChunkData[1, 0, 1], (int) hollowedChunkData[0, 0, 1], (int) hollowedChunkData[0, 1, 0], (int) hollowedChunkData[1, 1, 0], (int) hollowedChunkData[1, 1, 1], (int) hollowedChunkData[0, 1, 1] };
*
* Mesh temp = prefab.GetComponent<MeshFilter>().sharedMesh;//MarchingCubes3.perCube(new Vector3(0, 0, 0), initialVoxels, 0);
*
* ////foreach (int i in initialVoxels)
* //// Debug.Log(i);
*
* ////mesh.triangles = temp.triangles;
* ////mesh.vertices = temp.vertices;
*
* ////mesh.RecalculateBounds();
* ////mesh.RecalculateNormals();
*
* wholeMesh[0] = new CombineInstance();
* wholeMesh[0].mesh = temp;
*
* //Debug.Log(chunkSizeBlocks);*/
//per chunk
for (int x = 0; x < chunkSizeBlocks; x++)
{
for (int y = 0; y < chunkSizeBlocks; y++)
{
for (int z = 0; z < chunkSizeBlocks; z++)
{
/*if (x == 0 && y == 0 && z == 0)
* {
* continue;
* }*/
/*//set blockNum somehow
* int blockNum = (int)(z + y * (Mathf.Pow(chunkSizeBlocks, 1)) + x * (Mathf.Pow(chunkSizeBlocks, 2)));
* //percube
* int[] voxels = { (int)chunkData[x, y, z], (int)chunkData[x + 1, y, z], (int)chunkData[x + 1, y, z + 1], (int)chunkData[x, y, z + 1], (int)chunkData[x, y + 1, z], (int)chunkData[x + 1, y + 1, z], (int)chunkData[x + 1, y + 1, z + 1], (int)chunkData[x, y + 1, z + 1] }; //this is a line worth checking, I made it match up with MarchingCubes3.localVerticies
* Mesh m = MarchingCubes3Clean.perCube(new Vector3(0, 0, 0), voxels, blockNum);
* //^^ this causes unity to freeze up
*
* //if combineInstance has too many verts: //IMPLEMENT THIS LOGIC LATER, MAYBE IF COMBINING CHUNKS???
* //save the current combineInstance to a mesh
* //make a new one
* //Debug.Log(wholeMesh[blockNum]);
* wholeMesh[blockNum] = new CombineInstance();
* wholeMesh[blockNum].mesh = m;
* //Debug.Log(wholeMesh[blockNum]);
* //wholeMesh[blockNum].transform. = MarchingCubes3Clean.beginningCoordinates(new Vector3(0, 0, 0), blockNum);//comes with the mesh???
* //merge meshes*/
int blockNum = (int)(z + y * (Mathf.Pow(chunkSizeBlocks, 1)) + x * (Mathf.Pow(chunkSizeBlocks, 2)));
//int voxel = (int)chunkData[x, y, z];
//Debug.Log("Block #:" + blockNum + ", isOn: " + chunkData[x, y, z]);
if ((int)hollowedChunkData[x, y, z] > 0)
{
Instantiate(prefab, MarchingCubes3Clean.beginningCoordinates(new Vector3(0, 0, 0), blockNum, chunkSizeBlocks), Quaternion.identity);
/*wholeMesh[blockNum] = new CombineInstance();
* wholeMesh[blockNum].mesh = prefab.GetComponent<MeshFilter>().sharedMesh;
* Debug.Log(prefab.GetComponent<MeshFilter>().mesh.vertices.Length);
* wholeMesh[blockNum].mesh.vertices = new Vector3[] { new Vector3(wholeMesh[blockNum].mesh.vertices[0].x + x, wholeMesh[blockNum].mesh.vertices[0].y + y, wholeMesh[blockNum].mesh.vertices[0].z + z),
* new Vector3(wholeMesh[blockNum].mesh.vertices[1].x + x, wholeMesh[blockNum].mesh.vertices[1].y + y, wholeMesh[blockNum].mesh.vertices[1].z + z),
* new Vector3(wholeMesh[blockNum].mesh.vertices[2].x + x, wholeMesh[blockNum].mesh.vertices[2].y + y, wholeMesh[blockNum].mesh.vertices[2].z + z),
* new Vector3(wholeMesh[blockNum].mesh.vertices[3].x + x, wholeMesh[blockNum].mesh.vertices[3].y + y, wholeMesh[blockNum].mesh.vertices[3].z + z),
* new Vector3(wholeMesh[blockNum].mesh.vertices[4].x + x, wholeMesh[blockNum].mesh.vertices[4].y + y, wholeMesh[blockNum].mesh.vertices[4].z + z),
* new Vector3(wholeMesh[blockNum].mesh.vertices[5].x + x, wholeMesh[blockNum].mesh.vertices[5].y + y, wholeMesh[blockNum].mesh.vertices[5].z + z),
* new Vector3(wholeMesh[blockNum].mesh.vertices[6].x + x, wholeMesh[blockNum].mesh.vertices[6].y + y, wholeMesh[blockNum].mesh.vertices[6].z + z),
* new Vector3(wholeMesh[blockNum].mesh.vertices[7].x + x, wholeMesh[blockNum].mesh.vertices[7].y + y, wholeMesh[blockNum].mesh.vertices[7].z + z),
* new Vector3(wholeMesh[blockNum].mesh.vertices[6].x + x, wholeMesh[blockNum].mesh.vertices[6].y + y, wholeMesh[blockNum].mesh.vertices[6].z + z), new Vector3(wholeMesh[blockNum].mesh.vertices[6].x + x, wholeMesh[blockNum].mesh.vertices[6].y + y, wholeMesh[blockNum].mesh.vertices[6].z + z), new Vector3(wholeMesh[blockNum].mesh.vertices[6].x + x, wholeMesh[blockNum].mesh.vertices[6].y + y, wholeMesh[blockNum].mesh.vertices[6].z + z), new Vector3(wholeMesh[blockNum].mesh.vertices[6].x + x, wholeMesh[blockNum].mesh.vertices[6].y + y, wholeMesh[blockNum].mesh.vertices[6].z + z), new Vector3(wholeMesh[blockNum].mesh.vertices[6].x + x, wholeMesh[blockNum].mesh.vertices[6].y + y, wholeMesh[blockNum].mesh.vertices[6].z + z), new Vector3(wholeMesh[blockNum].mesh.vertices[6].x + x, wholeMesh[blockNum].mesh.vertices[6].y + y, wholeMesh[blockNum].mesh.vertices[6].z + z), new Vector3(wholeMesh[blockNum].mesh.vertices[6].x + x, wholeMesh[blockNum].mesh.vertices[6].y + y, wholeMesh[blockNum].mesh.vertices[6].z + z), new Vector3(wholeMesh[blockNum].mesh.vertices[6].x + x, wholeMesh[blockNum].mesh.vertices[6].y + y, wholeMesh[blockNum].mesh.vertices[6].z + z), new Vector3(wholeMesh[blockNum].mesh.vertices[6].x + x, wholeMesh[blockNum].mesh.vertices[6].y + y, wholeMesh[blockNum].mesh.vertices[6].z + z), new Vector3(wholeMesh[blockNum].mesh.vertices[6].x + x, wholeMesh[blockNum].mesh.vertices[6].y + y, wholeMesh[blockNum].mesh.vertices[6].z + z), new Vector3(wholeMesh[blockNum].mesh.vertices[6].x + x, wholeMesh[blockNum].mesh.vertices[6].y + y, wholeMesh[blockNum].mesh.vertices[6].z + z), new Vector3(wholeMesh[blockNum].mesh.vertices[6].x + x, wholeMesh[blockNum].mesh.vertices[6].y + y, wholeMesh[blockNum].mesh.vertices[6].z + z), new Vector3(wholeMesh[blockNum].mesh.vertices[6].x + x, wholeMesh[blockNum].mesh.vertices[6].y + y, wholeMesh[blockNum].mesh.vertices[6].z + z),};
*/
}
}
}
}
/*mesh = GetComponent<MeshFilter>().mesh; //mesh is invisible now.
*
* mesh.Clear();
*
* mesh.CombineMeshes(wholeMesh);
*
* //mesh.Optimize();
*
* //MeshCollider meshCollider = GetComponent<MeshCollider>();
*
* //meshCollider.sharedMesh = GetComponent<MeshFilter>().mesh; //this won't work but i want it to :(, also it shows up as black and unlit???
* //I think the mesh is centered but idk...
*
* mesh.RecalculateBounds();
* mesh.RecalculateNormals();
* /*mesh.Clear();
*
* mesh.CombineMeshes(wholeMesh);
*
* mesh.RecalculateBounds();
* mesh.RecalculateNormals();*
*
* //Mesh mesh = GetComponent<MeshFilter>().mesh;
*
* mesh = GetComponent<MeshFilter>().mesh; //mesh is invisible now.
*
* mesh.Clear();
*
* mesh.CombineMeshes(wholeMesh);
*
* //mesh.Optimize();
*
* //MeshCollider meshCollider = GetComponent<MeshCollider>();
*
* //meshCollider.sharedMesh = GetComponent<MeshFilter>().mesh; //this won't work but i want it to :(, also it shows up as black and unlit???
* //I think the mesh is centered but idk...
*
* mesh.RecalculateBounds();
* mesh.RecalculateNormals();*/
}
