det 119 src/mesh/CylinderMesh.cpp float det = vector1.x() * vector2.y() - vector1.y() * vector2.x(); det 120 src/mesh/CylinderMesh.cpp RECORD_INFO(string("angle =>") + to_string(atan2(det, dot))); det 121 src/mesh/CylinderMesh.cpp return atan2(det, dot);