digital photo of a rotating chess board

Clear[trueImg];
rot[t_] := 8 Pi (0.5 + 0.5 Tanh[6 (t - 0.5)]);
trueImg[t_][x_, y_] := Module[{xt, yt, f},
  {xt, yt} = RotationMatrix[rot[t]].{x, y};
  yt = -yt;
  f = 0.5 + 0.5 Tanh[8 Sin[5 xt] Cos[5 yt]];
  (*List@@(ColorData["RedBlueTones"][f])*);
  {f, f, f}
  ]
\[Alpha] = 0.01;
res = 100;
photograph[img_, t_] := Module[{dims, \[Tau]},
   Rasterize[Image[Table[
      img[t + \[Alpha] (x + 2 y )][x, y]
      , {y, -1, 1, 2/res}, {x, -1, 1, 2/res}]], ImageSize -> 300]
   ];
Manipulate[
 photograph[trueImg, t],
 {{t, 0}, 0, 1}]