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Quaternion Julia Raytracer Lite

Quaternion Julia Raytracer Lite
  • #: 16266
  • Price: free ($0.00) In Apple Store
  • Category: Entertainment
  • Updated: 2010-07-11
  • Current Version: 1.41
  • 1.41
  • Size: 3.40 MB
  • Language: English
  • Seller: Klaus Engel
  • Requirements: Compatible with iPhone 3GS, iPhone 4, iPod touch (3rd generation), iPod touch (4th generation), and iPad. Requires iOS 4.0 or later.
  • © Klaus Engel
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Description

This is the lite version of the Quaternion Julia Raytracer App. The full app adds features such as iPhone6 and 6 Plus support, high quality rendering, full screen rendering and shadows.

Just like the traditional Julia fractal, a quaternion Julia fractal is computed as stable complex points of an iterative funtion in the complex space. However, in contrast to 2D julia fractals, 4-dimensional complex numbers, so called quaternions, are used instead of 2-dimensional complex numbers.

This App uses the GPU of the iPhone to compute a 3D slice through the 4D complex space of the quaternion Julia set by raytracing with OpenGL ES 2.0 shaders.

Instructions:

A one finger drag rotates the camera around the object, a two finger pinch zooms and a three finger drag translates the camera.

Double/Triple tap and drag the finger horizontally or vertically to change the shape of the quaternion Julia fractal. You can also set these constant in the Settings tab. The Settings tab also allows to enable an environment that is mirrored on the Julia set. The accuracy of the fractal surface can also be set here.

!!!! Important announcement !!!!

To take a screen shot, hold down the home button and then push the top button. The screen will flash and the resulting image will be placed on your camera roll. From there, you can sync it back to your computer, e-mail it to friends, or do anything else you can do with any other photo in your camera roll.

iPhone Screenshots

Quaternion Julia Raytracer Lite iPhone Screenshot 1

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The information may be outdated (2017-03-06 17:16:54). For actual information go to iTunes


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