public void Execute([ReadOnly] ref SphereCollider checkHitCollider, ref Destroyable destroyable)
            {
                int hash = GridHash.Hash(checkHitCollider.Position, this.CellRadius);
                int index; NativeMultiHashMapIterator <int> iterator;

                for (bool success = this.PlayerHashmap.TryGetFirstValue(hash, out index, out iterator);
                     success;
                     success = this.PlayerHashmap.TryGetNextValue(out index, ref iterator))
                {
                    var playerCollider = this.PlayerColliders[index];
                    if (checkHitCollider.Intersect(ref playerCollider))
                    {
                        // ヒット
                        destroyable = Destroyable.Kill;
                    }
                }
            }
            public void Execute(int i)
            {
                var sphereCollider = this.SphereColliders[i];
                var center         = sphereCollider.Position;
                var hashCenter     = GridHash.Hash(center, this.CellRadius);

                this.Hashmap.Add(hashCenter, i);
                for (int j = 0; j < this.Offsets.Length; ++j)
                {
                    var offset = center + this.Offsets[j] * sphereCollider.Radius;
                    var hash   = GridHash.Hash(offset, this.CellRadius);
                    if (hash == hashCenter)
                    {
                        continue;
                    }
                    this.Hashmap.Add(hash, i);
                }
            }