public static void WorldPositionToArrayIndex(this Isosurface3D iso, ref Vector3Int refIndex, Vector3 position, Transform mesh, float maxDistance)
{
float closestDistance = Mathf.Infinity;
Vector3Int closestIndex = new Vector3Int();
for (int x = 0; x < iso.Size.x; x++)
{
for (int y = 0; y < iso.Size.y; y++)
{
for (int z = 0; z < iso.Size.z; z++)
{
Vector3 worldPosition = Vectorx.Multiply(new Vector3(x, y, z), mesh.localScale) + mesh.position;
float distance = Vector3.Distance(worldPosition, position);
if (distance < closestDistance)
{
closestDistance = distance;
closestIndex = new Vector3Int(x, y, z);
}
}
}
}
if (closestDistance < maxDistance)
{
refIndex = closestIndex;
}
}
public static void SetCube(this Isosurface3D iso, Vector3Int center, Vector3Int size, float value)
{
float[,,] data = iso.Data;
for (int x = center.x - size.x; x < center.x + size.x; x++)
{
for (int y = center.y - size.y; y < center.y + size.y; y++)
{
for (int z = center.z - size.z; z < center.z + size.z; z++)
{
if (x < data.GetLength(0) && x > 0)
{
if (y < data.GetLength(1) && y > 0)
{
if (z < data.GetLength(2) && z > 0)
{
data[x, y, z] = value;
}
}
}
}
}
}
iso.Data = data;
}
public static void SetAll(this Isosurface3D iso, float value)
{
float[,,] data = iso.Data;
for (int x = 0; x < iso.Size.x; x++)
{
for (int y = 0; y < iso.Size.y; y++)
{
for (int z = 0; z < iso.Size.z; z++)
{
data[x, y, z] = value;
}
}
}
iso.Data = data;
}
public static void EraseAll(this Isosurface3D iso)
{
SetAll(iso, -1f);
}
public static void FillAll(this Isosurface3D iso)
{
SetAll(iso, 1f);
}
public static void EraseCube(this Isosurface3D iso, Vector3Int center, Vector3Int size)
{
SetCube(iso, center, size, -1f);
}
