In the real world, how do people recognize a particular scene, know the weather, or differentiate between colors? Yes, through vision. We can see the world around us with our eyes. To the simulation of eyes, scientists first invented the camera and then the video camera. We now have the chance to see pictures and video just as we would with our eyes. For modern video games, especially in 3D, the virtual camera plays the same role as the eyes. It helps you to explore the virtual game world. You can move, jump, climb, and so on, just as you would in real life. You may have played real-time strategy games such as StarCraft II
or Warcraft 3. In these games, you are in complete control of the world, like God. Or, you have probably played some first-person games such as Quake or Half-life as a warrior. Sounds like magic? Do you hope to be the magician? Do you want to perform the magic? Would you like to make your game look similar to a movie?. If so, this chapter is for you. You will...