ring_add :: (using r : *ring, next: Vector2) {
    data[start] = next;
    start += 1;
    start %= data.count;
}

ring_avg :: (using r : *ring) -> Vector2 {
    sum : Vector2;
    for data {
        sum += it;
    }
    return sum / cast(float) data.count;
}

ring_reset :: (using r : *ring) {
    memset(data.data, 0, data.count * size_of(Vector2));
}

new_ring :: (num_items: s64 = 5) -> ring {
    r : ring;
    r.data = NewArray(num_items, Vector2);
    return r;
}

ring :: struct {
     start : s64;
     data : []Vector2;
}

#import "Math";
#import "Basic";