Kivy - Interactive Applications and Games in Python

Book Image

Kivy - Interactive Applications and Games in Python

By : Roberto Ulloa

Book Image

Kivy - Interactive Applications and Games in Python

By: Roberto Ulloa

Overview of this book

Kivy – Interactive Applications and Games in Python Second Edition

Kivy – Interactive Applications and Games in Python Second Edition

Credits

About the Author

About the Author

About the Reviewers

About the Reviewers

www.PacktPub.com

www.PacktPub.com

Preface

Free Chapter

GUI Basics – Building an Interface

GUI Basics – Building an Interface

Basic interface – Hello World!

Basic widgets – labels and buttons

Embedding layouts

PageLayout – swiping pages

Our project – Comic Creator

Graphics – the Canvas

Graphics – the Canvas

Understanding the canvas

Drawing basic shapes

Adding images, colors, and backgrounds

Structuring graphic instructions

Rotating, translating, and scaling the coordinate space

Comic Creator: PushMatrix and PopMatrix

Widget Events – Binding Actions

Widget Events – Binding Actions

Attributes, ID, and root

Basic widget events – dragging the stickman

Localizing coordinates – adding stickmen

Binding and unbinding events – sizing limbs and heads

Binding events in the Kivy language

Creating your own events – the magical properties

Kivy and its properties

Improving the User Experience

Improving the User Experience

ScreenManager – selecting colors for the figures

Color control on the canvas – coloring figures

StencilView – limiting the drawing space

Scatter – multi-touching to drag, rotate, and scale

Recording gestures – line, circle, and cross

Recognizing gestures – drawing with the finger

Behaviors – enhancing widget's functionality

Style – decorating the interface

Factory – replacing a vertex instruction

Invaders Revenge – an Interactive Multi-touch Game

Invaders Revenge – an Interactive Multi-touch Game

Invaders Revenge – an animated multi-touch game

Atlas – An efficient management of images

Boom – simple sound effects

Ammo – simple animation

Invader – transitions for animations

Dock – automatic binding in the Kivy language

Fleet – infinite concatenation of animations

Scheduling events with the clock

Shooter – multi-touch control

Invasion – moving the shooter with the keyboard

Combining animations with '+' and '&'

Kivy Player – a TED Video Streamer

Kivy Player – a TED Video Streamer

Video – play, pause, and stop

AsyncImage – creating a cover for the video

Subtitles – tracking the video progression

Control bar – adding buttons to control the video

Slider – including a progression bar

Animation – hiding a widget

Kivy inspector – debugging interfaces

ActionBar – a responsive bar

LoadDialog – displaying a directory of files

ScrollView – displaying a list of videos

Search – query the TED Developer API

Index

Customer Reviews

5 star

0

4 star

0

3 star

0

2 star

0

1 star

0

Summary

This chapter covered the whole construction process of an interactive and animated application. You learned how to integrate various Kivy components and you should now be able to comfortably build a 2D animated game.

Let's review all the new classes and components we used in this chapter:

Atlas
Image: The source property
SoundLoader and Sound: The load and play methods, respectively
Window: The height and width properties, and the request_keyboard, remove_widget, and add_widget methods
Animation: The properties as parameters; d and t parameters; start, stop, and bind methods; on_start, on_progress, and on_complete events; and '+' and '&' operators
Touch: ud attribute
Clock: schedule_interval and schedule_once methods
Keyboard: bind and unbind methods, on_key_down event

The information contained in this chapter presents tools and strategies you can use to develop highly interactive applications. By combining the previous chapters information with this chapter's insights into the...