Function inConeLoose

Source/ThirdParty/recastnavigation/RecastMesh.cpp:317–330

}

static bool	inConeLoose(int i, int j, int n, const int* verts, int* indices)
{
	const int* pi = &verts[(indices[i] & 0x0fffffff) * 4];
	const int* pj = &verts[(indices[j] & 0x0fffffff) * 4];
	const int* pi1 = &verts[(indices[next(i, n)] & 0x0fffffff) * 4];
	const int* pin1 = &verts[(indices[prev(i, n)] & 0x0fffffff) * 4];
	
	// If P[i] is a convex vertex [ i+1 left or on (i-1,i) ].
	if (leftOn(pin1, pi, pi1))
		return leftOn(pi, pj, pin1) && leftOn(pj, pi, pi1);
	// Assume (i-1,i,i+1) not collinear.
	// else P[i] is reflex.
	return !(leftOn(pi, pj, pi1) && leftOn(pj, pi, pin1));
}

static bool diagonalLoose(int i, int j, int n, const int* verts, int* indices)
{