public Vector2i sub(int x, int y, Vector2i dest) {
        dest.x = this.x - x;
        dest.y = this.y - y;
        return dest;
    }
public Vector2i sub ( int x , int y , Vector2i dest ) { dest . x = this . x - x ; dest . y = this . y - y ; return dest ; }
/* (non-Javadoc)
@see org.joml.Vector2ic#sub(int, int, org.joml.Vector2i)