Function left

Source/ThirdParty/recastnavigation/RecastMesh.cpp:182–185

Returns true iff c is strictly to the left of the directed line through a to b.

// Returns true iff c is strictly to the left of the directed
// line through a to b.
inline bool left(const int* a, const int* b, const int* c)
{
	return area2(a, b, c) < 0;
}

inline bool leftOn(const int* a, const int* b, const int* c)
{