load models from assets

[blank.git] / src / model / geometry.hpp

diff --git a/src/model/geometry.hpp b/src/model/geometry.hpp
index f1b3762d2905ff650ae44c435bd2b4cfdf1cfbaa..f9f87c4f9d14462f31af92b16247e5a6aad584e9 100644 (file)
--- a/src/model/geometry.hpp
+++ b/src/model/geometry.hpp
@@ -25,6 +25,19 @@ constexpr float rad2deg(float r) {
 }
 
 
+template<class T>
+T manhattan_distance(const glm::tvec3<T> &a, const glm::tvec3<T> &b) {
+       glm::tvec3<T> diff(abs(a - b));
+       return diff.x + diff.y + diff.z;
+}
+
+template<class T>
+T manhattan_radius(const glm::tvec3<T> &v) {
+       glm::tvec3<T> a(abs(v));
+       return std::max(a.x, std::max(a.y, a.z));
+}
+
+
 struct AABB {
        glm::vec3 min;
        glm::vec3 max;