[DEV] add capabilities of vec*

etk/math/Vector2D.cpp

@@ -365,3 +365,43 @@ namespace etk {
 };
 
 
+
+std::string std::to_string(const vec2& _obj) {
+	std::string str;
+	str = "(";
+	str += std::to_string(_obj.x());
+	str += ",";
+	str += std::to_string(_obj.y());
+	str += ")";
+	return str;
+}
+
+std::string std::to_string(const ivec2& _obj) {
+	std::string str;
+	str = "(";
+	str += std::to_string(_obj.x());
+	str += ",";
+	str += std::to_string(_obj.y());
+	str += ")";
+	return str;
+}
+
+std::string std::to_string(const uivec2& _obj) {
+	std::string str;
+	str = "(";
+	str += std::to_string(_obj.x());
+	str += ",";
+	str += std::to_string(_obj.y());
+	str += ")";
+	return str;
+}
+
+std::string std::to_string(const bvec2& _obj) {
+	std::string str;
+	str = "(";
+	str += std::to_string(_obj.x());
+	str += ",";
+	str += std::to_string(_obj.y());
+	str += ")";
+	return str;
+}

etk/math/Vector2D.h

@@ -374,6 +374,12 @@ inline vec2 vec2ClipInt64(const vec2& _val) {
 	return vec2((int64_t)_val.x(), (int64_t)_val.y());
 }
 
+namespace std {
+	std::string to_string(const vec2& _obj);
+	std::string to_string(const bvec2& _obj);
+	std::string to_string(const ivec2& _obj);
+	std::string to_string(const uivec2& _obj);
+};
 
 namespace etk {
 	std::ostream& operator <<(std::ostream& _os, const std::vector<vec2 >& _obj);

etk/math/Vector3D.cpp

@@ -108,3 +108,52 @@ vec3 quaternionToEulerXYZ(const btQuaternion& _quat) {
 	             asin(2.0*(xxx*zzz-yyy*www)),
 	             atan2(2.0*(xxx*yyy + zzz*www), (xxx2-yyy2-zzz2+www2) ) );
 }
+
+
+std::string std::to_string(const vec3& _obj) {
+	std::string str;
+	str = "(";
+	str += std::to_string(_obj.x());
+	str += ",";
+	str += std::to_string(_obj.y());
+	str += ",";
+	str += std::to_string(_obj.z());
+	str += ")";
+	return str;
+}
+
+std::string std::to_string(const ivec3& _obj) {
+	std::string str;
+	str = "(";
+	str += std::to_string(_obj.x());
+	str += ",";
+	str += std::to_string(_obj.y());
+	str += ",";
+	str += std::to_string(_obj.z());
+	str += ")";
+	return str;
+}
+
+std::string std::to_string(const uivec3& _obj) {
+	std::string str;
+	str = "(";
+	str += std::to_string(_obj.x());
+	str += ",";
+	str += std::to_string(_obj.y());
+	str += ",";
+	str += std::to_string(_obj.z());
+	str += ")";
+	return str;
+}
+
+std::string std::to_string(const bvec3& _obj) {
+	std::string str;
+	str = "(";
+	str += std::to_string(_obj.x());
+	str += ",";
+	str += std::to_string(_obj.y());
+	str += ",";
+	str += std::to_string(_obj.z());
+	str += ")";
+	return str;
+}

etk/math/Vector3D.h

@@ -470,6 +470,13 @@ inline vec3 vec3ClipInt64(const vec3& val) {
 	return vec3((int64_t)val.x(), (int64_t)val.y(), (int64_t)val.z());
 }
 
+namespace std {
+	std::string to_string(const vec3& _obj);
+	std::string to_string(const bvec3& _obj);
+	std::string to_string(const ivec3& _obj);
+	std::string to_string(const uivec3& _obj);
+};
+
 namespace etk {
 	std::ostream& operator <<(std::ostream& _os, const std::vector<vec3>& _obj);
 	//! @previous