Generation Look-up Table void AtanInit() { const float AtanTableDelta = 1.0f / (float)360; for (int i = 0; i 0.0f); assert(x > 0.0f); assert(y < x); //360은 룩업 테이블 수 const int index = y*360/x; return AtanTable[index]; } Atan2 Fuction int Atan2(int y, int x) { //..