Sign In Start Free Trial
Account

Add to playlist

Create a Playlist

Modal Close icon
You need to login to use this feature.
  • DART Cookbook
  • Toc
  • feedback
DART Cookbook

DART Cookbook

By : Ivo Balbaert
4 (2)
close
DART Cookbook

DART Cookbook

4 (2)
By: Ivo Balbaert

Overview of this book

If you are a Dart developer looking to sharpen your skills, and get insight and tips on how to put that knowledge into practice, then this book is for you. You should also have a basic knowledge of HTML, and how web applications with browser clients and servers work, in order to build dynamic Dart applications.
Table of Contents (13 chapters)
close
12
Index

Writing a game loop


In game apps, the refresh rate of the screen is vital; it must be high enough to ensure agreeable and realistic gameplay. Refreshing means periodically redrawing the screen. This recipe shows you how to build that in your app. It is illustrated in the code of gameloop, a simple version of the well-known memory game that uses the boarding package by Dzenan Ridzanovic. The goal is to click quickly enough to get identical pairs of the colored squares. Start it by running game.html (don't use pub serve for the launch, select Run and then Manage Launches, and in Pub Settings, uncheck use pub serve to serve the application).

How to do it...

  1. The game starts off in main() of game.dart (only the relevant parts of the code are shown here):

    import'dart:async';
    import'dart:html';
    // ... other code
    part'model/memory.dart';
    part'view/board.dart';
    
    main() {
      new Board(new Memory(4), querySelector('#canvas')).draw();
    }
  2. In the constructor of the Board class, the game loop is started with...

Unlock full access

Continue reading for free

A Packt free trial gives you instant online access to our library of over 7000 practical eBooks and videos, constantly updated with the latest in tech
bookmark search playlist font-size

Change the font size

margin-width

Change margin width

day-mode

Change background colour

Close icon Search
Country selected

Close icon Your notes and bookmarks

Delete Bookmark

Modal Close icon
Are you sure you want to delete it?
Cancel
Yes, Delete