Apple Game Frameworks and Technologies

Use Iterative Design to Adjust the Player’s Movement

In ​Create the Collectible Class​, you were introduced to the term, iterative design. If you recall, iterative design is the process by which you prototype, test, analyze, and refine.

Currently, the player moves Blob by tapping either side of the screen. You could alter the code to move Blob faster, but that type of movement is not ideal for this type of game. Instead, you’ll make it so that players can slide Blob around by moving their fingers left and right. Not only will this make for better gameplay, but also you’ll get a chance to see what’s involved with getting a node to follow the touch location.

First, you need two new properties to track whether or not the player is moving and the ...