@Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;
        CircularRegion that = (CircularRegion) o;
        return Double.compare(that.radius, this.radius) == 0 &&
                center.equals(that.center);
    }
Get the circumference {@link BlockPosition} of the region
@return the {@link BlockPosition}s
helper/src/main/java/me/lucko/helper/serialize/CircularRegion.java