Augmented Reality using Appcelerator Titanium Starter by Trevor Ward

By Trevor Ward

Create an open resource Augmented fact Titanium software. construct an efficient reveal of a number of sights. discover ways to calculate distances among sights. know how to successfully and cleanly flow the attractions because the equipment rotates.

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It is quite an easy task to update the data every 100 meters, by applying the location event listener and having a count to 10. When updating the data, you would want to put the activity indicator on the screen and remove the event listeners until the data is fully updated. This is effectively the same as going back to the initial screen and starting the process from getting the data. info Augmented Reality using Appcelerator Titanium Starter Another method could be to build a second set of four views with the new data on and then replace the original views with these.

Its purpose is to indicate where POIs are in relation to the current direction of the device. It works by drawing blips or in this case a small view with a background color and radius to give a circle, on the image in the correct place. This is done by using the distance of the POIs from the current location and their compass bearing. We have already calculated these values in the previous sections, so we just need to apply them. png. This is an open source image found on the Web, so if you need to use it you can: To get get the correct radar display and movement, it is vital you know the exact size of the display area.

This would listen for a location update and do something when the device has moved say, by 10 meters. distance parameter and add a location event listener, creating a locationCallBack function, which triggers another function that resizes the POIs based on distance. The method to resize the POIs is the same as the one used to size them originally. The gotcha though is that you have to loop through all the POIs view components, calculate the distance based on the new coordinates, and resize the height and width given the new scale, on the original image size.

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