Cocos2D Webcam Viewer, Part 2: Asynchronous Texture Loading

On February 23, 2012, in idevblogaday, by Steffen Itterheim

I updated the Cocos2D Webcam Viewer project from a previous article to download a file from the web asynchronously, and then load its texture asynchronously as well. You can now switch between the two modes to see how asynchronous operations almost completely removed the pauses the app experiences in synchronous mode. Just tap the screen to switch modes.

To visualize the lag I added a constantly moving sprite at the bottom. This makes the lag easier to spot than a framerate counter. I also removed all error checking code from this article to make the code easier to read. As always you can find the Cocos2D Webcam Viewer source code with full error checking on the LearnCocos2D github repository.

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I made a few additions to the Xcode Tutorial and the cocos2d FAQ which are based on user questions and concerns.

Xcode Project Tutorial: How to integrate Chipmunk SpaceManager

How to update the cocos2d-iphone code in a project created with a cocos2d Project Template? (Theory & Advice)

How to fix common Box2d compile errors? (must compile using C++)

How to fix common Chipmunk compile errors? (does not compile with C++ code)

How to draw an endlessly repeating Parallax Background? (very simple, very effective)

On Searching the Tutorial & FAQs

I’m still trying to get the search function on the Tutorial and FAQ pages fixed. Currently it works for the Xcode Tutorial only but other search result links may simply show an Error. I’ll try to get this fixed as fast as i can and i’m getting very helpful support from the folks at ScreenSteps Live so i’m hopeful.

Please also note that the search box in the navigation panel doesn’t search the FAQ and Tutorials, just the blog and pages.

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