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#include "vector2.hpp"
#include "util/hash.hpp"
Vector2::Vector2(const Vector2Options &options) : _x(options.x), _y(options.y) {}
Vector2::Value Vector2::get_x() const noexcept
{
return _x;
}
void Vector2::set_x(Vector2::Value x) noexcept
{
_x = x;
}
Vector2::Value Vector2::get_y() const noexcept
{
return _y;
}
void Vector2::set_y(Vector2::Value y) noexcept
{
_y = y;
}
Vector2 Vector2::to_direction(const Vector2 &direction,
Vector2::Value amount) const noexcept
{
return *this + (direction * Vector2({.x = amount, .y = amount}));
}
const Vector2 &Vector2::operator+=(const Vector2 &vector2) noexcept
{
_x += vector2._x;
_y += vector2._y;
return *this;
}
const Vector2 &Vector2::operator-=(const Vector2 &vector2) noexcept
{
_x -= vector2._x;
_y -= vector2._y;
return *this;
}
Vector2 Vector2::operator+(const Vector2 &vector2) const noexcept
{
auto new_vector2 = Vector2(*this);
new_vector2._x += vector2._x;
new_vector2._y += vector2._y;
return new_vector2;
}
Vector2 Vector2::operator*(const Vector2 &vector2) const noexcept
{
auto new_vector2 = Vector2(*this);
new_vector2._x *= vector2._x;
new_vector2._y *= vector2._y;
return new_vector2;
}
bool Vector2::operator==(const Vector2 &vector2) const noexcept
{
return _x == vector2._x && _y == vector2._y;
}
Vector2 Vector2::up() noexcept
{
return Vector2({.x = 0, .y = -1});
}
Vector2 Vector2::down() noexcept
{
return Vector2({.x = 0, .y = 1});
}
Vector2 Vector2::left() noexcept
{
return Vector2({.x = -1, .y = 0});
}
Vector2 Vector2::right() noexcept
{
return Vector2({.x = 1, .y = 0});
}
std::size_t Vector2Hasher::operator()(const Vector2 &vector2) const noexcept
{
std::size_t result_hash = 0;
hash_combine(result_hash, vector2.get_x());
hash_combine(result_hash, vector2.get_y());
return result_hash;
}
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