2

Responding to User Events for Interactive UIs

Almost all the recipes in this chapter involve different interactive UI controls. Although there are different kinds of interactive UI controls, the basic way to work with them, as well as to have scripted actions respond to user actions, is all based on the same idea: events triggering the execution of object method functions.

Then, for fun, and as an example of a very different kind of UI, the final recipe will demonstrate how to add sophisticated, real-time communication for the relative positions of objects in the scene to your game - in the form of a radar!

The UI can be used for three main purposes:

  • To display static (unchanging) values, such as the name or logo image of the game, or word ...

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