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#pragma once
namespace crepe {
//! 2D vector
template <class T>
struct Vector2 {
//! X component of the vector
T x = 0;
//! Y component of the vector
T y = 0;
//! Subtracts another vector from this vector and returns the result.
Vector2<T> operator-(const Vector2<T> & other) const;
//! Subtracts a scalar value from both components of this vector and returns the result.
Vector2<T> operator-(T scalar) const;
//! Adds another vector to this vector and returns the result.
Vector2<T> operator+(const Vector2<T> & other) const;
//! Adds a scalar value to both components of this vector and returns the result.
Vector2<T> operator+(T scalar) const;
//! Multiplies this vector by another vector element-wise and returns the result.
Vector2<T> operator*(const Vector2<T> & other) const;
//! Multiplies this vector by a scalar and returns the result.
Vector2<T> operator*(T scalar) const;
//! Divides this vector by another vector element-wise and returns the result.
Vector2<T> operator/(const Vector2<T> & other) const;
//! Divides this vector by a scalar and returns the result.
Vector2<T> operator/(T scalar) const;
//! Adds another vector to this vector and updates this vector.
Vector2<T> & operator+=(const Vector2<T> & other);
//! Adds a scalar value to both components of this vector and updates this vector.
Vector2<T> & operator+=(T other);
//! Subtracts another vector from this vector and updates this vector.
Vector2<T> & operator-=(const Vector2<T> & other);
//! Subtracts a scalar value from both components of this vector and updates this vector.
Vector2<T> & operator-=(T other);
//! Multiplies this vector by another vector element-wise and updates this vector.
Vector2<T> & operator*=(const Vector2<T> & other);
//! Multiplies this vector by a scalar and updates this vector.
Vector2<T> & operator*=(T other);
//! Divides this vector by another vector element-wise and updates this vector.
Vector2<T> & operator/=(const Vector2<T> & other);
//! Divides this vector by a scalar and updates this vector.
Vector2<T> & operator/=(T other);
//! Returns the negation of this vector.
Vector2<T> operator-() const;
//! Checks if this vector is equal to another vector.
bool operator==(const Vector2<T> & other) const;
//! Checks if this vector is not equal to another vector.
bool operator!=(const Vector2<T> & other) const;
//! Truncates the vector to a maximum length.
void truncate(T max);
//! Normalizes the vector (resulting in vector with a length of 1).
void normalize();
//! Returns the length of the vector.
T length() const;
//! Returns the squared length of the vector.
T length_squared() const;
//! Returns the dot product (inwendig product) of this vector and another vector.
T dot(const Vector2<T> & other) const;
//! Returns the distance between this vector and another vector.
T distance(const Vector2<T> & other) const;
//! Returns the squared distance between this vector and another vector.
T distance_squared(const Vector2<T> & other) const;
//! Returns the perpendicular vector to this vector.
Vector2<T> perpendicular() const;
//! Checks if both components of the vector are NaN.
bool is_nan() const;
//! Rotate this vector clockwise by \c deg degrees
Vector2<T> rotate(float deg) const;
};
} // namespace crepe
#include "Vector2.hpp"
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