#include <iostream>
#include "Vector3.h"

using namespace std;

Vector3::Vector3(double x_val, double y_val, double z_val) {
    coords[0] = x_val;
    coords[1] = y_val;
    coords[2] = z_val;
}

void Vector3::display() const {
    cout << "(";
    for (int i {0}; i < 3; ++i) {
        cout << coords[i];
        
        if (i < 2) {
            cout << ", ";
        }
    }
    cout << ")";
}

double dotProduct(const Vector3& v1, const Vector3& v2) {
    double result {0.0};
    for (int i {0}; i < 3; ++i) {
        result += v1.coords[i] * v2.coords[i];
    }
    return result;
}

Vector3 crossProduct(const Vector3& v1, const Vector3& v2) {
    return Vector3(
        v1.coords[1] * v2.coords[2] - v1.coords[2] * v2.coords[1],
        v1.coords[2] * v2.coords[0] - v1.coords[0] * v2.coords[2],
        v1.coords[0] * v2.coords[1] - v1.coords[1] * v2.coords[0]
    );
}