#include "matematik.h"

float distance(Vector2 a, Vector2 b){
    return sqrt(pow(a.x - b.x, 2) + pow(a.y - b.y, 2));
}

Vector2 normalize_vector(Vector2 vec){
    float len = sqrt(vec.x * vec.x + vec.y * vec.y);
    vec.x /= len;
    vec.y /= len;
    return vec;
}

Vector2 vector_diff(Vector2 a, Vector2 b){
    return (Vector2) { a.x - b.x, a.y - b.y };
}