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Building Android Games with Cocos2d-x

You're reading from   Building Android Games with Cocos2d-x Learn to create engaging and spectacular games for Android using Cocos2d-x

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Product type Paperback
Published in Mar 2015
Publisher Packt
ISBN-13 9781785283833
Length 160 pages
Edition 1st Edition
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Author (1):
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Raydelto Hernandez Raydelto Hernandez
Author Profile Icon Raydelto Hernandez
Raydelto Hernandez
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Toc

Table of Contents (10) Chapters Close

Preface 1. Setting Up Your Development Environment 2. Graphics FREE CHAPTER 3. Understanding Game Physics 4. User Input 5. Handling Text and Fonts 6. Audio 7. Creating Particle Systems 8. Adding Native Java Code Index

Understanding actions

We can easily tell our sprites to perform concrete actions, such as jump, move, skew, and so on. It requires a few lines to get our sprites to execute the desired action.

Moving sprites

We can make our sprite move to a specific area of the screen by creating a MoveTo action and then making the sprite execute the action.

In the following code listing, we are making the bomb fall to the bottom of the screen by simply writing the following code lines:

  auto moveTo = MoveTo::create(2, Vec2(sprBomb->getPositionX(), 0 - sprBomb->getContentSize().height/2));
  sprBomb->runAction(moveTo);

We have created a moveTo node that will move the bomb sprite to the current horizontal position, but it will also move it to the bottom of the screen until it is not visible. In order to achieve this, we made it move to the y position of the negative half of the height of the sprite. Since the anchor point is set to the center point of the sprite, moving it to the negative half of its...

You have been reading a chapter from
Building Android Games with Cocos2d-x
Published in: Mar 2015
Publisher: Packt
ISBN-13: 9781785283833
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