TOPIC: 360° stereoscopic 3D fractal animation with Mandelbulb 3D and some blending
360° stereoscopic 3D fractal animation with Mandelbulb 3D and some blending
6 years 11 months ago #1
By default you can't create 360° stereoscopic 3D images or animations with the current version 1.91 of Mandelbulb 3D.
The Problem: left and right eye images are stereo for front view, but flipped when you look backwards.
Find a detailed explanation here: www.fractalforums.com/tutorials/t23857/
Well 180° stereoscopic fractals are still cool, but with a black back side a part of the VR feeling is lost. So I decided to live with a non-stereoscopic back side.
To make this possible I blended the right eye image with the left eye image using a grayscale gradient image to get a smooth transition.
So the left eye image is the original left eye image, but the right eye image is a combination of right eye image (front) and left eye image (back side). That way you have stereoscopic view in front (left+right) but not at back (left+left).
It would be possible to combine 4 renderings Left-Front+Left-Back (quadrant LB3+LF2+LF3+LB2) and Right-Front+Right-Back (quadrant RB3+RF2+RF3+RB2) to a quite complete (not at sides) stereoscopic view, but that would require an extreme rendering time.
I did the image blending with my own small python script and a alpha mask image. Contact me if you need the script/image.
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