// atan2.cpp #include "atan2.h" void joy::JoyToDegAndDis (int x, int y) { deg = !(90 + degrees(atan2(y, x))); distance = sqrt(y^2 + x^2); } int joy::JoyToDeg (int x, int y) { // watchout 90 + does not work good return !(degrees(atan2(y, x))); }