Function findAngle

source/MRMesh/MROffsetContours.cpp:153–163

}

float findAngle( const Vector2f& prev, const Vector2f& org, const Vector2f& next )
{
    auto a = prev - org;
    auto b = next - org;
    auto crossRes = cross( a, b );
    auto dotRes = dot( a, b );
    if ( crossRes == 0.0f )
        return dotRes >= 0.0f ? 0.0f : PI_F;
    else
        return std::atan2( crossRes, dotRes );
}

struct CornerParameters
{