Method __rsub__

src/main/java/field/linalg/Vec2.java:1446–1461

(Object b)

    }

    @Override
    public Object __rsub__(Object b) {
        Vec2 c = convertToVec2(b);
        if (c != null)
            return new Vec3(c.x - this.x, c.y - this.y);
        if (b instanceof Quat) {
            return ((Quat) b).transform(this, new Vec2());
        }
        if (b instanceof Vec4) {
            return this.toVec4().mul(-1).add((Vec4) b);
        }


        throw new ClassCastException(" can't subtract '" + b + "' by a Vec3 (" + this + ")");

    }

    @Override
    public Object __add__(Object b) {