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Building Games with Flutter

Building Games with Flutter

By : Paul Teale
3.6 (5)
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Building Games with Flutter

Building Games with Flutter

3.6 (5)
By: Paul Teale

Overview of this book

With its powerful tools and quick implementation capabilities, Flutter provides a new way to build scalable cross-platform apps. In this book, you'll learn how to build on your knowledge and use Flutter as the foundation for creating games. This game development book takes a hands-on approach to building a complete game from scratch. You'll see how to get started with the Flame library and build a simple animated example to test Flame. You'll then discover how to organize and load images and audio in your Flutter game. As you advance, you'll gain insights into the game loop and set it up for fast and efficient processing. The book also guides you in using Tiled to create maps, add sprites to the maps that the player can interact with, and see how to use tilemap collision to create paths for a player to walk on. Finally, you'll learn how to make enemies more intelligent with artificial intelligence (AI). By the end of the book, you'll have gained the confidence to build fun multiplatform games with Flutter.
Table of Contents (17 chapters)
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1
Part 1: Game Basics
5
Part 2: Graphics and Sound
11
Part 3: Advanced Games Programming

Drawing on the screen

Now that we are familiar with drawing basic shapes on the screen, which we covered in the previous chapter, we will expand our knowledge and start drawing sprites, which are more common in games.

Let's create a new SpriteComponent for our character, George, and load the sprite sheet:

  1. In the components folder, create a new file called george.dart.
  2. Open the file and add the following imports at the top of the file:
    import 'package:flame/components.dart';
    import 'package:flame/flame.dart';
    import 'package:flame/sprite.dart';
    import 'package:flutter/material.dart';
    import 'dart:ui';
  3. Create a class called George, which extends SpriteComponent:
    class George extends SpriteComponent {
    }
  4. At the top of the class, let's define some variables for the sprite, screen dimensions, and sprite size:
    late double screenWidth, screenHeight, centerX, centerY;
    late double georgeSizeWidth = 48.0, georgeSizeHeight...

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