1 files changed, 110 insertions, 0 deletions
diff --git a/src/crepe/api/Vector2.h b/src/crepe/api/Vector2.h
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+++ b/src/crepe/api/Vector2.h
@@ -0,0 +1,110 @@
+#pragma once
+
+#include <format>
+
+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
+
+template <typename T>
+struct std::formatter<crepe::Vector2<T>> : std::formatter<std::string> {
+	format_context::iterator format(crepe::Vector2<T> vec, format_context & ctx) const;
+};
+
+#include "Vector2.hpp"