// Reduces the size of the given shape by the given factor.
static VoxelSet <bool> ReduceShape(VoxelSet <bool> shape, int factor)
{
Vec3i size = Vec3i.Max(shape.Size / factor, new Vec3i(1));
Debug.Log("Old size: " + shape.Size + " New size: " + size);
VoxelSet <bool> reducedShape = new VoxelSet <bool>(size);
shape.Apply((v, idx) => {
Vec3i targetIdx = Vec3i.Min(size - 1, idx / factor);
reducedShape[targetIdx] = reducedShape[targetIdx] || v;
});
return(reducedShape);
}