Learn GameSalad for iOS: Game Development for iPhone, iPad, and HTML5 by David Guerineau

Author:David Guerineau [Guerineau, David]
Language: eng
Format: epub
Tags: Computers, Programming, Apple Programming, Games
ISBN: 9781430243564
Publisher: Apress
Published: 2012-06-13T04:00:00+00:00

This will simulate the gravity.

Then, drag and drop a Change Attribute behavior next to the Accelerate behavior. Change Projectile.Physics.Drag to 100. Figure 6-29 shows these two behaviors. This drag will simulate the air friction.

Figure 6-29. Accelerate and drag

The last step is to position a background to make it easier to visualize the movement of the projectile. Import the image Background.png and create a new actor named “Background.” Drag the actor on the scene, right-click the actor to send it to the back, and then resize the background to cover the complete scene.

Hit the Preview button to play with the projectile.

You can open the file CanonShowPartI-step3.gameproj located in the folder Chapter6_Files.

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