21z The camera typically follows behind the vehicle for a third-person per-
spective, or is sometimes situated inside the cockpit fi rst-person style.
z When the track involves tunnels and other “tight” spaces, a good deal
of eff ort is oft en put into ensuring that the camera does not collide with
background geometry.1.4.5. Real-Time Strategy (RTS)
The modern real-time strategy (RTS) genre was arguably defi ned by Dune II:
The Building of a Dynasty (1992). Other games in this genre include Warcraft ,
Command & Conquer, Age of Empires, and Starcraft. In this genre, the player
deploys the batt le units in his or her arsenal strategically across a large play-
ing fi eld in an att empt to overwhelm his or her opponent. The game world is
typically displayed at an oblique top-down viewing angle. For a discussion of
this genre, see htt p://en.wikipedia.org/wiki/Real-time_strategy.
The RTS player is usually prevented from signifi cantly changing the
viewing angle in order to see across large distances. This restriction permits
Figure 1.8. Age of Empires.
1.4. Engine Differnces Across Genres