Working with Tilemaps
In the next two chapters, I 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, which align with each other; placing them on a grid allows you to build rather convincing game worlds. The concept is very attractive because it conserves memory, compared to drawing the whole world as individual textures, while still allowing a lot of variety.
This chapter introduces general tilemap concepts ...