Function ImRotate

include/imgui/imgui_internal.h:524–524

inline int    ImModPositive(int a, int b)                               { return (a + b) % b; }
inline float  ImDot(const ImVec2& a, const ImVec2& b)                   { return a.x * b.x + a.y * b.y; }
inline ImVec2 ImRotate(const ImVec2& v, float cos_a, float sin_a)       { return ImVec2(v.x * cos_a - v.y * sin_a, v.x * sin_a + v.y * cos_a); }
inline float  ImLinearSweep(float current, float target, float speed)   { if (current < target) return ImMin(current + speed, target); if (current > target) return ImMax(current - speed, target); return current; }
inline float  ImLinearRemapClamp(float s0, float s1, float d0, float d1, float x) { return ImSaturate((x - s0) / (s1 - s0)) * (d1 - d0) + d0; }
inline ImVec2 ImMul(const ImVec2& lhs, const ImVec2& rhs)               { return ImVec2(lhs.x * rhs.x, lhs.y * rhs.y); }