title: Cannot convert value of type 'SCNMatrix4' to expected argument type 'matrix_float4x4' (aka 'simd_float4x4')
body: <p>I got this error while using iOS 11 ARKit(Scenekit - Xcode 9 beta) when i try to set the simdPosition of virtual object. I need to know if it is possible to convert <strong>SCNMatrix4</strong> to <strong>matrix_float4x4</strong> in swift. If so how to convert it.</p>