Function evalArc

3rdparty/recast/DebugDraw.cpp:367–374

inline void evalArc(const float x0, const float y0, const float z0,
					const float dx, const float dy, const float dz,
					const float h, const float u, float* res)
{
	res[0] = x0 + dx * u;
	res[1] = y0 + dy * u + h * (1-(u*2-1)*(u*2-1));
	res[2] = z0 + dz * u;
}


inline void vcross(float* dest, const float* v1, const float* v2)