// Start is called before the first frame update
void Start()
{
voxelGen = GetComponent <VoxelGen>();
terrainArray = new int[chunkSize, chunkSize, chunkSize];
voxelGen.Initialise();
InitTerrain();
CreateTerrain();
voxelGen.UpdateMesh();
}
static void generateVoxels()
{
string spherePath = "Assets/Resources/Voxels/Sphere.prefab";
createSpherePrimitive(spherePath);
var sphere = AssetDatabase.LoadAssetAtPath <GameObject>(spherePath);
if (sphere == null)
{
Debug.LogError("shpere null either can't find or mesh filter is empty please regenerate in folder:\n" +
"Assets/Resources/Voxels/Sphere.prefab");
return;
}
copyMesh(sphere);
vertices = mesh.vertices;
VoxelGen.genVolumeTriangles();
for (int i = 0; i < mesh.subMeshCount; i++)
{
int[] triangles = mesh.GetTriangles(i);
Vector3 v1 = new Vector3();
Vector3 v2 = new Vector3();
Vector3 v3 = new Vector3();
for (int j = 0; j < triangles.Length; j++)
{
if (j % 3 == 0)
{
v1 = vertices[triangles[j]];
}
if (j % 3 == 1)
{
v2 = vertices[triangles[j]];
}
if (j % 3 == 2)
{
//finished triangle
v3 = vertices[triangles[j]];
GenTriangles(v1, v2, v3, splits);
}
}
}
AssetDatabase.DeleteAsset(spherePath);
LinkMeshs.linkMeshs();
}
private static void GenTriangles(Vector3 v1, Vector3 v2, Vector3 v3, int rec)
{
if (rec == 0)
{
//Debug.Log("generating innermost voxel");
VoxelGen v = new VoxelGen(v1, v2, v3, 0, columnID);
columnID++;
}
else
{
int longest;
double[] dists = new double[3];
dists[0] = Vector3.Distance(v1, v2);
dists[1] = Vector3.Distance(v2, v3);
dists[2] = Vector3.Distance(v3, v1);
Vector3 midPoint;
if (dists[0] < dists[1])
{
//0 out
if (dists[2] < dists[1])
{
//2 out
longest = 1;
}
else
{
//1 out
longest = 2;
}
}
else
{
//1 out
if (dists[2] < dists[0])
{
//2 out
longest = 0;
}
else
{
//0 out
longest = 2;
}
}
if (longest == 0)
{
midPoint = (v1 + v2) / 2;
GenTriangles(midPoint, v2, v3, rec - 1);
GenTriangles(midPoint, v3, v1, rec - 1);
}
if (longest == 1)
{
midPoint = (v2 + v3) / 2;
GenTriangles(midPoint, v1, v2, rec - 1);
GenTriangles(midPoint, v3, v1, rec - 1);
}
if (longest == 2)
{
midPoint = (v3 + v1) / 2;
GenTriangles(midPoint, v2, v3, rec - 1);
GenTriangles(midPoint, v1, v2, rec - 1);
}
}
}
