#ifndef BLANK_GEOMETRY_DISTANCE_HPP_
#define BLANK_GEOMETRY_DISTANCE_HPP_
+#include "../graphics/glm.hpp"
+
#include <algorithm>
#include <limits>
-#include <glm/glm.hpp>
#include <glm/gtx/component_wise.hpp>
#include <glm/gtx/norm.hpp>
template <class T>
inline bool iszero(const T &v) noexcept {
- return length2(v) < std::numeric_limits<typename T::value_type>::epsilon();
+ return glm::length2(v) < std::numeric_limits<typename T::value_type>::epsilon();
+}
+
+template<class Vec>
+inline void limit(Vec &v, float max) noexcept {
+ float len2 = glm::length2(v);
+ float max2 = max * max;
+ if (len2 > max2) {
+ v = glm::normalize(v) * max;
+ }
}
-template<class T>
-T manhattan_distance(const glm::tvec3<T> &a, const glm::tvec3<T> &b) noexcept {
- return compAdd(abs(a - b));
+template<class T, glm::precision P = glm::precision(0)>
+T manhattan_distance(const TVEC3<T, P> &a, const TVEC3<T, P> &b) noexcept {
+ return glm::compAdd(glm::abs(a - b));
}
-template<class T>
-T manhattan_radius(const glm::tvec3<T> &v) noexcept {
- return compMax(abs(v));
+template<class T, glm::precision P = glm::precision(0)>
+T manhattan_radius(const TVEC3<T, P> &v) noexcept {
+ return glm::compMax(glm::abs(v));
}
}