#Observer game update

Create boxes that can observe events and give them an event to doīox box1 = new Box(box1Obj, new JumpLittle()) īox box2 = new Box(box2Obj, new JumpMedium()) īox box3 = new Box(box3Obj, new JumpHigh()) Will send notifications that something has happened to whoever is interested Public class GameController : MonoBehaviour The GameController script looks like this: When you are done everything should now look like this: You also need an empty gameobject called _GameController which will hold the script GameController that will take care of everything. Each box should have a rigidbody attached to it so it can jump. So begin by creating a sphere and three boxes. To illustrate the observer pattern we will here have three boxes (not many but hey this is just an introduction) that will jump when a sphere is close to the center of the map (origo). But it's much easier to implement if you know the observer pattern. This might be difficult to implement if you have several achievements each unlocked by a different behavior. One example is when you have achievements in your game. The observer pattern is actually the communication backbone of countless programs and app frameworks, so pay attention.

#Observer game update

So the basic idea is that you should use the observer pattern when you need many objects to receive an update when another object changes. The observer pattern is a software design pattern in which an object, called the subject, maintains a list of its dependents, called observers, and notifies them automatically of any state changes, usually by calling one of their methods. We begin with Wikipedia's defintion of the observer pattern:

This tutorial is outdated, you can find the latest version here: GitHub What's the observer pattern?