8. Creating a Sushi Shop Game with Device Scaling | HTML5 Game Development Hotshot

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HTML5 Game Development Hotshot

By : Seng Hin Mak, Makzan Makzan (Mak Seng Hin)

4 (6)

HTML5 Game Development Hotshot

4 (6)

By: Seng Hin Mak, Makzan Makzan (Mak Seng Hin)

Overview of this book

With a wide range of projects to build, this step-by-step guide will give you all the tools you need to create a variety of games. Whether you are familiar with the basics of object-oriented programming concepts, are new to HTML game development, or are familiar with just web design, this project-based book will get you up and running in no time. It will teach and inspire you to create great interactive content on the Web.

Preface

Preface

What this book covers

What you need for this book

Who this book is for

Sections

Mission briefing

Task 1

Mission accomplished

A Hotshot challenge / Hotshot challenges

Conventions

Reader feedback

Customer support

Free Chapter

1. Building a CSS Quest Game

1. Building a CSS Quest Game

Mission briefing

Creating the HTML structure

Managing the game scene

Representing the quest composition

Placing the patterns on the deck

Selecting the pattern

Comparing the player and compositions of the quest

Showing different quests

Adding a countdown timer to the game

Mission accomplished

Hotshot challenges

2. Card Battle!

2. Card Battle!

Mission briefing

Creating the game scenes

Creating a 3D card-flipping effect

Selecting a card

Adding a power value to the cards

Creating the opponent's card

Building the battle animation

Adding health points to the game

Restarting the game for the next round of battle

Mission accomplished

Hotshot challenges

3. Space Runner

3. Space Runner

Mission briefing

Managing the scenes

Defining the floor and tiles in the game

Controlling the tiles creation in JavaScript

Using a game loop

Parallax background scrolling

Controlling a player with the keyboard

Determining a collision between the player and tiles

Spritesheet animation

Mission accomplished

Hotshot challenges

4. Multiply Defense

4. Multiply Defense

Mission briefing

Setting up the canvas and EaselJS

Defining the numbered box

The game loop and falling boxes

Inputs and equations

Removing the boxes

Ending the game

Restarting the game

Replacing the rectangle shape with bitmap graphics

Mission accomplished

A Hotshot challenge

5. Building an Isometric City Game

5. Building an Isometric City Game

Mission briefing

Designing the game's user interface

Placing the tiles and grid in the city layer

Choosing which building to build

Placing buildings on the floor

Advancing the construction progress over time

Generating coins and diamonds

Collecting pop-up diamonds

Saving and loading the game progress

Mission accomplished

Hotshot challenges

6. Space Defenders

6. Space Defenders

Mission briefing

Setting up the user interface

Placing the defense buildings

Summoning the enemies

Generating energy

Enemies attacking the buildings

Firing bullets and attacking the enemies

Controlling enemy waves

Loading the bitmap graphics into the game

Mission accomplished

Hotshot challenges

7. A Ball-shooting Machine with Physics Engine

7. A Ball-shooting Machine with Physics Engine

Mission briefing

Creating a simulated physics world

Shooting the ball

Handling collision detection

Defining levels

Adding a launch bar with power

Adding a cross obstacle

Visualizing the graphics

Choosing a level

Mission accomplished

Hotshot challenges

8. Creating a Sushi Shop Game with Device Scaling

8. Creating a Sushi Shop Game with Device Scaling

Mission briefing

Making the responsive layout

Decorating the game

Making the sushi

Creating a customer queue

Refilling sushi ingredients

Adding sound effects

Distributing the game

Making the game mobile friendly

Mission accomplished

A Hotshot challenge

Index

Index

Refilling sushi ingredients

In this task, we will control the ingredients' amounts and refill. We will also introduce a currency.

Engage thrusters

In these steps, we will polish the game with a cash mechanism:

We store the cash value in the data.js file:
```
game.cash = 1000;
```

In the view.js file, we define a corresponding refresh method:

var cashNode = document.getElementById('status-bar');
game.view.refreshCash = function(){
  cashNode.textContent = '$' + game.cash;
}

We ensure that the cash DOM node shows the cash correctly by refreshing it when the game starts:
```
game.view.refreshCash();
```

In the data.js file, we define how many pieces of each ingredient need to be set up. Initially, the number is set to 10:

game.amount = [];
game.amount['rice'] = 10;
game.amount['octopus'] = 10;
game.amount['salmon'] = 10;
game.amount['salmon-roe'] = 10;
game.amount['seaweed'] = 10;
game.amount['egg'] = 10;

We add a method to increase the amount of total ingredients:
```
game.increaseAmount = function() {
  for(var key in game...
```

CONTINUE READING

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Tech Concepts

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Programming languages

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