But for 3D animators, just letting users "watch" a 3D scene is not enough. They want them to be able to use their mouse to travel at will inside the virtual scene, exploring a digital pyramid or wandering through a virtual Louvre.
對電腦玩家來說，光「看」三Ｄ場景還不過癮，最好能順著滑鼠的軌跡，深入虛擬場景內部一遊，逛逛數位金字塔，看看虛擬羅浮宮。