#ifndef UTIL_H
#define UTIL_H

static inline
float radians(const float degree) {
    return degree * (M_PI / 180.0f);
}

static inline
Vector2 diff(Vector2 a, Vector2 b) {
    return (Vector2) {
        .x = a.x - b.x,
        .y = a.y - b.y,
    };
}

static inline
float signum(float x) {
    return (x > 0) - (x < 0);
}

#endif