Chapter 10. Working with Tilemaps
In the next two chapters I'll introduce you to the world of tile-based games. Whether you've been playing games since the age of classic role-playing games like Ultima or you've just recently joined your Facebook friends in Farmville, I'm sure you've already played a game that uses the tilemap concept for displaying its graphics.
In tilemap games, the graphics consist of a small number of images, called tiles, that align with each other; placing them on a grid allows us to build rather convincing game worlds. The concept is very attractive because it conserves memory as compared to drawing the whole world as individual textures, while still allowing a lot of variety.
This chapter will introduce general tilemap concepts ...