![]() ![]() While many visual effects are immediately comprehensible, iOS 7’s parallax feature is one that may require a hands-on approach to truly appreciate. iOS 7 creates the illusion of parallax by organizing its content in multiple layers, and then animating them in response to the inputs from the device’s physical sensors. As such, we should expect that the company will extend its availability to third-party developers as well, particularly if it has figured out a way to make it work without consuming too much battery power. Newton’s First Law of Motion. This allows the hardware to measure the speed and direction in which the phone or tablet is being rotated.Īlthough the exact details of iOS 7 are still under wraps, it’s clear that Apple intends for parallax display to become pervasive throughout its operating system (which may explain why the iPhone 3GS and first-generation iPad, neither of which has built-in gyroscopes, didn’t make the OS’s compatibility list). When you rotate the device around any of the three angles of motion, this little marvel of human technology-smaller than a human hair-tends to resist the change in orientation because of MEMS gyroscope it contains an extremely small mechanism capable of vibrating at a known rate when subjected to an electrical charge. ![]() On iOS, the parallax effect is, of course, entirely simulated by the operating system’s software, with a little help from a technology that was originally conceived for rocket guidance.īuried among the hardware that makes up most of Apple’s modern mobile devices is a component called a The concepts of perspective and parallax are closely related: Objects that are closer tend to occupy a larger portion of our eyes’ visual angle, and therefore appear to be larger and move faster than those farther away. Alongside a few additional physical tricks, perspective and parallax play a very important role in the way that we understand the world around us, making it possible for us to sort out and make sense of the various visual cues that our eyes register (as well as providing photographers with the opportunity forĮndless fun). ![]()
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