vector2.hpp

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#pragma once
//#include <type_traits>
 
namespace cangine {
 
struct Vector2 {
    float x{}, y{}; 
 
    // Constructors
    constexpr Vector2() noexcept = default;
    constexpr Vector2(float _x, float _y) noexcept : x(_x), y(_y) {}
 
    // Compound assignment operators
    constexpr Vector2& operator+=(const Vector2& rhs) noexcept {
        x += rhs.x; y += rhs.y; return *this;
    }
    constexpr Vector2& operator-=(const Vector2& rhs) noexcept {
        x -= rhs.x; y -= rhs.y; return *this;
    }
    constexpr Vector2& operator*=(const Vector2& rhs) noexcept {
        x *= rhs.x; y *= rhs.y; return *this;
    }
    constexpr Vector2& operator/=(const Vector2& rhs) noexcept {
        x /= rhs.x; y /= rhs.y; return *this;
    }
 
    constexpr Vector2& operator+=(float rhs) noexcept { x += rhs; y += rhs; return *this; }
    constexpr Vector2& operator-=(float rhs) noexcept { x -= rhs; y -= rhs; return *this; }
    constexpr Vector2& operator*=(float rhs) noexcept { x *= rhs; y *= rhs; return *this; }
    constexpr Vector2& operator/=(float rhs) noexcept { x /= rhs; y /= rhs; return *this; }
};
 
// Free operators for Vector2
#define CANGINE_VECTOR2_OP(OP) \
constexpr Vector2 operator OP(const Vector2& lhs, const Vector2& rhs) noexcept { return Vector2(lhs.x OP rhs.x, lhs.y OP rhs.y); } \
constexpr Vector2 operator OP(const Vector2& lhs, float rhs) noexcept { return Vector2(lhs.x OP rhs, lhs.y OP rhs); } \
constexpr Vector2 operator OP(float lhs, const Vector2& rhs) noexcept { return Vector2(lhs OP rhs.x, lhs OP rhs.y); }
 
CANGINE_VECTOR2_OP(+)
CANGINE_VECTOR2_OP(-)
CANGINE_VECTOR2_OP(*)
CANGINE_VECTOR2_OP(/)
 
#undef CANGINE_VECTOR2_OP
 
}