// SPDX-License-Identifier: MIT
// SPDX-FileCopyrightText: 2026 Martino Ferrari

#pragma once
#include <cmath>
#include <plot/core/types.hpp>

namespace plot::math {

/// 2D vector of `f32`, used for pixel offsets and normalised device coords.
struct Vec2 {
  f32 x = 0.0f;
  f32 y = 0.0f;

  constexpr Vec2 operator+(const Vec2& o) const noexcept { return {x + o.x, y + o.y}; }
  constexpr Vec2 operator-(const Vec2& o) const noexcept { return {x - o.x, y - o.y}; }
  constexpr Vec2 operator*(f32 s) const noexcept { return {x * s, y * s}; }
  constexpr Vec2 operator/(f32 s) const noexcept { return {x / s, y / s}; }

  constexpr f32 dot(const Vec2& o) const noexcept { return x * o.x + y * o.y; }

  f32 length() const noexcept { return std::sqrt(x * x + y * y); }
};

constexpr Vec2 operator*(f32 s, const Vec2& v) noexcept { return v * s; }

}  // namespace plot::math

namespace plot {
using math::Vec2;
}