Method sub

src/main/java/field/linalg/Vec2.java:226–231

Subtract b from a and store the result in dest . @param a the vector to subtract from @param b the vector to subtract @param dest will hold the result

(Vec2 a, Vec2 b, Vec2 dest)

     * @param dest will hold the result
     */
    public static Vec2 sub(Vec2 a, Vec2 b, Vec2 dest) {
        if (dest == null) dest = new Vec2();
        dest.x = a.x - b.x;
        dest.y = a.y - b.y;
        return dest;
    }

    /**
     * Return the dot product of a vector and another.