Have you ever wanted to see and touch four-dimensional objects? 4D Polytopes is a real-time visualization app that renders the four-dimensional convex regular polytopes such as the tesseract as well as the three-dimensional ones known as the Platonic solids. Simple touch gestures let you intuitively manipulate those geometric figures. Buttons on the screen offer some effect options that can be applied to the polytopes, which helps you understand four-dimensional space.
Flick the polytope currently displayed with one finger and it will rotate in our usual three-dimensional space. Tapping the polytope stops rotation.
Pinching in and out with two fingers starts rotation between the hidden fourth spatial axis and the other axes. These gestures are only available for the 4D polytopes.
Swipe the screen of your device up or down with three fingers to see another polytope of the same dimensions. Swiping left and right switches between 4D and 3D.
This button toggles between colorful and white light. You can choose which to use to illuminate the polytopes.
When this setting is switched to "Sync", the light sources revolve in synchronization with the rotation of polytopes.
If you switch this setting to "Mark", one of the cells or faces of each polytope will be marked in your selected color.
This button provides the links to Wikipedia articles describing the polytopes. "English" button, which is revealed with a non-English article, takes you to the equivalent in English.
".png", ".mp4", ".mov" Buttons
You can capture still and moving images on the screen. Tapping each button saves, shares or sends a content with one of the file extensions.
"Angle", "Hue" Buttons
The angle between the color light sources varies every time you tap "Angle". You can also change the marking color in the same way with "Hue".
Tapping this button opens an index page.
"Flat, Cross, Parallel" Switch (in index pages)
This switch enables stereopsis of the polytopes. Choose cross-eyed viewing or parallel viewing, then move your eyes to merge two images.
Improved user interface.
Ratings and Reviews
Through use of this app I can impart a Clifford rotation on the regular polychora, get a sense of their shape. (Clifford rotation is a set of two rotations about perpendicular planes on 4 space). Wish I had greater control of speed to rotate the figure and stop it at symmetry (cell-first, edge first, etc.) love the app, showed it to some in discussion about these shapes.
I didn’t even know what the fourth dimension was a little bit ago, but this is amazing!!
Great!!! But I would like just one thing
I would like the ability to build with tesseracts, 2D slices of the fourth dimention so it’s easy. Or you could make a 8x8x8x8 Grid and it could be like minecraft, controller compatible
Also if you can’t do that can you make the controls a bit better
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- Sci-Tech Binary Ltd. Co.
- 8.3 MB
- Requires iOS 13.0 or later.
- Requires iPadOS 13.0 or later.
- iPod touch
- Requires iOS 13.0 or later.
- Requires macOS 11.0 or later and a Mac with Apple M1 chip or later.
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