Program Listing for File vector.h

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#pragma once
#include <stdexcept>
#include "SDL.h"

namespace prism {
    namespace math {

        struct Vector3d {
            float x;
            float y;
            float z;
            float w = 1.0f;

            Vector3d() : x(0), y(0), z(0), w(1) {}

            Vector3d(float x, float y, float z, float w = 1.0f) : x(x), y(y), z(z), w(w) {}

            void print();

            Vector3d operator+(Vector3d& other);

            Vector3d operator-(Vector3d& other);

            Vector3d operator*(float k);

            Vector3d operator/(float k);

            float operator[](int index);

            bool operator==(Vector3d& other);

            float length();

            Vector3d normalise();
        };

        float Vector_DotProduct(Vector3d& v1, Vector3d& v2);

        Vector3d Vector_CrossProduct(Vector3d& v1, Vector3d& v2);

        Vector3d Vector_IntersectPlane(Vector3d& plane_p, Vector3d& plane_n, Vector3d& lineStart, Vector3d& lineEnd);

    } // namespace math
} // namespace prism