Parallax Previewer App

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Apple Parallax Previewer
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I’m sure we’ve all noticed the rather beautiful three-dimensional parallax icons in the new Apple TV UI, turns out its completely possible and very easy for anyone to make these icons using either Photoshop and the Apple LSR Plugin or simply by using Apple’s freely available Parallax Previewer app (see Apple’s docs). I’ve made two samples very quickly that you can look at below. It’s definitely possible to implement going by Apple’s guidelines, but it’s a matter of whether or not the devs and metadata/fanart community get on board, so I’m just wondering what the devs and community here think of the idea

Examples I’ve created, exported as video so you can watch them:
Rick and Morty
Broad City

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Parallax is a visual effect where items closer to the viewer move faster than items in the background. Parallax creates a feeling of depth, perspective, and movement. In a UWP app, you can use the ParallaxView control to create a parallax effect.

Algomystic The Parallax view App is the Live Wallpaper App; Available for both Android & iOS smartphones this Allows you to change your phone’s normal Vanilla wallpaper to interesting Parallax live wallpaper. In simple words, you can say that it is the 3D live wallpaper app that offers a 3D tunnel effect to your phone’s Home Screen. Apphive Previewer is an app created for review your mobile application developed on the Apphive platform. With Apphive Previewer you can visualize in real time all the changes and adjustments you make in three easy steps: - Use your same account that you already created in Apphive´s platform - Select the project you need to preview - And that.

Windows UI Library APIs:ParallaxView class, VerticalShift property, HorizontalShift property

Platform APIs: ParallaxView class, VerticalShift property, HorizontalShift property

Examples

XAML Controls Gallery
If you have the XAML Controls Gallery app installed, click here to open the app and see the ParallaxView in action.

Parallax and the Fluent Design System

The Fluent Design System helps you create modern, bold UI that incorporates light, depth, motion, material, and scale. Parallax is a Fluent Design System component that adds motion, depth, and scale to your app. To learn more, see the Fluent Design overview.

How it works in a user interface

In a UI, you can create a parallax effect by moving different objects at different rates when the UI scrolls or pans. To demonstrate, let's look at two layers of content, a list and a background image. The list is placed on top of the background image which already gives the illusion that the list might be closer to the viewer. Now, to achieve the parallax effect, we want the object closest to us to travel 'faster' than the object that is farther away. As the user scrolls the interface, the list moves at a faster rate than the background image, which creates the illusion of depth.

Using the ParallaxView control to create a parallax effect

To create a parallax effect, you use the ParallaxView control. This control ties the scroll position of a foreground element, such as a list, to a background element, such as an image. As you scroll through the foreground element, it animates the background element to create a parallax effect.

To use the ParallaxView control, you provide a Source element, a background element, and set the VerticalShift (for vertical scrolling) and/or HorizontalShift (for horizontal scrolling) properties to a value greater than zero.

The Source property takes a reference to the foreground element. For the parallax effect to occur, the foreground should be a ScrollViewer or an element that contains a ScrollViewer, such as a ListView or a RichTextBox.
To set the background element, you add that element as a child of the ParallaxView control. The background element can be any UIElement, such as an Image or a panel that contains additional UI elements.

To create a parallax effect, the ParallaxView must be behind the foreground element. The Grid and Canvas panels let you layer items on top of each other, so they work well with the ParallaxView control.

This example creates a parallax effect for a list:

The ParallaxView automatically adjusts the size of the image so it works for the parallax operation so you don't have to worry about the image scrolling out of view.

Customizing the parallax effect

The VerticalShift and HorizontalShift properties let you control degree of the parallax effect.

The VerticalShift property specifies how far we want the background to vertically shift during the entire parallax operation. A value of 0 means the background doesn't move at all.
The HorizontalShift property specifies how far we want the background to horizontally shift during the entire parallax operation. A value of 0 means the background doesn't move at all.

Larger values create a more dramatic effect.