diff options
Diffstat (limited to 'src/crepe/api/Vector2.hpp')
-rw-r--r-- | src/crepe/api/Vector2.hpp | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/crepe/api/Vector2.hpp b/src/crepe/api/Vector2.hpp index cad15f8..30441d2 100644 --- a/src/crepe/api/Vector2.hpp +++ b/src/crepe/api/Vector2.hpp @@ -1,5 +1,7 @@ #pragma once +#include <cmath> + #include "Vector2.h" namespace crepe { @@ -115,4 +117,70 @@ bool Vector2<T>::operator!=(const Vector2<T> & other) const { return !(*this == other); } +template <class T> +void Vector2<T>::truncate(T max) { + if (length() > max) { + normalize(); + *this *= max; + } +} + +template <class T> +void Vector2<T>::normalize() { + T len = length(); + if (len > 0) { + *this /= len; + } +} + +template <class T> +T Vector2<T>::length() const { + return std::sqrt(x * x + y * y); +} + +template <class T> +T Vector2<T>::length_squared() const { + return x * x + y * y; +} + +template <class T> +T Vector2<T>::dot(const Vector2<T> & other) const { + return x * other.x + y * other.y; +} + +template <class T> +T Vector2<T>::distance(const Vector2<T> & other) const { + return (*this - other).length(); +} + +template <class T> +T Vector2<T>::distance_squared(const Vector2<T> & other) const { + return (*this - other).length_squared(); +} + +template <class T> +Vector2<T> Vector2<T>::perpendicular() const { + return {-y, x}; +} + +template <class T> +bool Vector2<T>::is_nan() const { + return std::isnan(x) && std::isnan(y); +} + +template <class T> +Vector2<T> Vector2<T>::rotate(float deg) const { + float rad = -deg / 180 * M_PI; + return { + x * std::cos(rad) - y * std::sin(rad), + x * std::sin(rad) + y * std::cos(rad), + }; +} + } // namespace crepe + +template <typename T> +std::format_context::iterator +std::formatter<crepe::Vector2<T>>::format(crepe::Vector2<T> vec, format_context & ctx) const { + return formatter<string>::format(std::format("{{{}, {}}}", vec.x, vec.y), ctx); +} |