bootleg-game-engine/include/vector.h

// prevent multiple inclusion
#pragma once  

// class for 2D float vector
class float_vec2
{
    // public members
    public:
    // x and y coordinates
    float x, y;
    // operator functions
    float_vec2 operator+(float_vec2 vec)
    {
        return { x + vec.x, y + vec.y };
    }
    float_vec2 operator*(float v)
    {
        return { x * v, y * v };
    }
    float_vec2 operator*(float_vec2 vec)
    {
        return { x * vec.x, y * vec.y };
    }
    float_vec2 operator-(float_vec2 vec)
    {
        return { x - vec.x, y - vec.y };
    }
    float_vec2 operator-(float v)
    {
        return { x - v, y - v };
    }
};

// class for 2D integer vector
class int_vec2
{
    // public members
    public:
    // x and y coordinates
    int x, y;
    // operator functions
    int_vec2 operator+(int_vec2 vec)
    {
        return { x + vec.x, y + vec.y };
    }
    int_vec2 operator*(int v)
    {
        return { x * v, y * v };
    }
    int_vec2 operator*(int_vec2 vec)
    {
        return { x * vec.x, y * vec.y };
    }
    int_vec2 operator-(int_vec2 vec)
    {
        return { x - vec.x, y - vec.y };
    }
};