#ifndef GENERAL_DEF_H #define GENERAL_DEF_H #define PI 3.1415926535f #define PI2 (PI * 2.0f) // 2 pi #define RAD_2_ANGLE (180.0f / PI) #define ANGLE_2_RAD (PI / 180.0f) #define RPM_2_ANGLE_PER_SEC (360.0f/60.0f) // ×360°/60sec #endif // !GENERAL_DEF_H