aboutsummaryrefslogtreecommitdiff
path: root/src/crepe/api/Vector2.hpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/crepe/api/Vector2.hpp')
-rw-r--r--src/crepe/api/Vector2.hpp68
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);
+}