// Converts given |position| and |rotation| from Unity space to audio space.
private static void ConvertAudioTransformFromUnity(ref Vector3 position,
ref Quaternion rotation)
{
transformMatrix = Pose3D.FlipHandedness(Matrix4x4.TRS(position, rotation, Vector3.one));
position = transformMatrix.GetColumn(3);
rotation = Quaternion.LookRotation(transformMatrix.GetColumn(2), transformMatrix.GetColumn(1));
}
public Matrix4x4 ToMatrix4x4()
{
Matrix4x4 mat4 = (Matrix4x4)Marshal.PtrToStructure(valuePtr, typeof(Matrix4x4));
// Transpose the matrix from row-major (GVR) to column-major (Unity),
// and change from LHS to RHS coordinates.
return(Pose3D.FlipHandedness(mat4.transpose));
}
public void Show(Matrix4x4 userMatrix, bool useRecommended, float distance, Matrix4x4 model)
{
#if UNITY_ANDROID && !UNITY_EDITOR
currentDistance = distance;
#endif // UNITY_ANDROID && !UNITY_EDITOR
if (useRecommended)
{
worldMatrix = getRecommendedMatrix(distance);
}
else
{
// Convert to GVR coordinates.
worldMatrix = Pose3D.FlipHandedness(userMatrix).transpose;
}
Matrix4x4 matToSet = worldMatrix * model.transpose;
IntPtr mat_ptr = Marshal.AllocHGlobal(Marshal.SizeOf(matToSet));
Marshal.StructureToPtr(matToSet, mat_ptr, true);
gvr_keyboard_set_world_from_keyboard_matrix(keyboard_context, mat_ptr);
gvr_keyboard_show(keyboard_context);
}