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Points vs Pixels in iOS

edited November 2012 in General Posts: 563

In the previous tutorial we had to deal with a number of different resolutions in order to be able to develop a universal app. This raised some questions on the forum about how to handle this. I have expanded on that answer and stuck it up on the Codea Tutorial site at

From iOS 4, dimensions are measured in “points” instead of pixels. All coordinate values and distances are specified using points, which are floating-point values. The measurable size of a point varies from device to device and is largely irrelevant. The main thing to understand about points is that they provide a fixed frame of reference for drawing...

You can read the rest of the tutorial at

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