[рони]

Retro_1477,
или так

for (var i = 0; i < 8; i++) {
      game.cat.state[1][i] = new Image();
      game.cat.state[2][i] = new Image();
      game.cat.state[1][i].src = 'assets/sprites/cat0/run/left/Run(' + i + ').png';
      game.cat.state[2][i].src = game.cat.state[1][i].src;
      game.cat.state[1][i].style.transform = 'rotate(90deg)';
      game.cat.state[2][i].style.transform = 'rotate(90deg)';
    }