vec2.h

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#pragma once

struct  Vec2
{
    float x;
    float y;
    
    Vec2()
    {
        x = 0;
        y = 0;
    }

    Vec2(float inputX, float inputY)
    {
        x = inputX;
        y = inputY;
    }

    Vec2* operator += (Vec2 a)
    {
        x += a.x;
        y += a.y;
        return this;
    }

    Vec2* operator -= (Vec2 a)
    {
        x -= a.x;
        y -= a.y;
        return this;
    }

    Vec2* operator *= (float a)
    {
        x *= a;
        y *= a;
        return this;
    }

    Vec2* operator /= (float a)
    {
        x /= a;
        y /= a;
        return this;
    }
};

inline Vec2 operator - (Vec2 a)
{
    Vec2 b;
    b.x = -a.x;
    b.y = -a.y;
    return b;
}

inline Vec2 operator + (Vec2 a, Vec2 b)
{
    Vec2 c;
    c.x = a.x + b.x;
    c.y = a.y + b.y;
    return c;
}

inline Vec2 operator - (Vec2 a, Vec2 b)
{
    Vec2 c;
    c.x = a.x - b.x;
    c.y = a.y - b.y;
    return c;
}

inline Vec2 operator / (Vec2 a, float b)
{
    Vec2 c;
    c.x = a.x / b;
    c.y = a.y / b;
    return c;
}

inline Vec2 operator * (Vec2 a, float b)
{
    Vec2 c;
    c.x = a.x * b;
    c.y = a.y * b;
    return c;
}