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import peasy.*;
import processing.core.PMatrix3D;

PeasyCam cam;

boolean recording = true;
int frame_size = recording ? 2160 : 800;
float fac = frame_size/800.0;
int numSegments = 50;  // Number of segments along the Möbius ring (higher means smoother)
float ringRadius = 200*fac;    // Radius of the Möbius ring

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// Digits on a trefoil knot
// ------------------------
//
// Processing code by Waldeck Schützer (@infinitymathart)
// Motion blur template by @beesandbombs, explanation/article: https://bleuje.com/tutorial6/
// Idea and concept by @etinjcb
//
import peasy.*;
import processing.core.PMatrix3D;

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// Hilbert's dream
// ---------------
//
// Processing code by Waldeck Schützer (@infinitymathart)
// Motion blur template by @davidbeesandbombs, explanation/article: https://bleuje.com/tutorial6/
// Idea and concept by @etinjcb.
//

PVector[][] paths;  // Array to store paths for each level
PVector[] currentPath;

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// Digits on a knot tube
// ---------------------
//
// Mathematics and Processing code by Waldeck Schützer (@infinitymathart)
// Motion blur template by @davidbeesandbombs, explanation/article: https://bleuje.com/tutorial6/
// Idea and concept for flipping digits on a surface by @etinjcb
//
import peasy.*;
import processing.core.PMatrix3D;

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// The tunnel is a mobius ring with digits seen from the inside.
//
// Mathematics and Processing code by Waldeck Schützer (@infinitymathart)
// Motion blur template by @davidbeesandbombs, explanation/article: https://bleuje.com/tutorial6/
// modified by @infinitymathart to add the chromatic aberration effect.
// Idea and concept for flipping digits on a surface by @etinjcb
// First million digits of pi from: https://pi2e.ch/blog/2017/03/10/pi-digits-download/ file: pi_dec_1m.txt
//
//
import peasy.*;

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// Ring and bar double pendulums
//
// Mathematics and Processing code by Waldeck Schützer (@infinitymathart)
import java.lang.Math;

boolean recording = false;
boolean use_border = true;
int FPS = 60;
int duration = 3*60;
float text_t = 20.0*3/2;

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// 2D shape transitions
//
// Mathematics and Processing code by Waldeck Schützer (@infinitymathart)
// Motion blur template by @davidbeesandbombs, explanation/article: https://bleuje.com/tutorial6/
// Rotater transition by Etienne Jacob (@etinjcb)
//
import complexnumbers.*;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;

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// Knots with digits or texture
//
// Processing code and Mathematics by Waldeck Schutzer (@infinitymathart)
// Based on code by Etienne Jacob (@etinjcb)
// Motion blur template by @davebeesandbombs, explanation/article: https://bleuje.com/tutorial6/
// See the license information at the end of this file.

final boolean recording = true;
final boolean reverse = false;
final boolean draw_digits = true; // Digits or texture?

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// Torus with texture
//
// Processing code and Mathematics by Waldeck Schutzer (@infinitymathart)
// Based on code by Etienne Jacob (@etinjcb)
// Motion blur template by @davebeesandbombs, explanation/article: https://bleuje.com/tutorial6/
// See the license information at the end of this file.


final boolean recording = false;
final boolean reverse = true;

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// note : if you're on github gist and want to copy paste this code, you can click on the "Raw" button
// and then do Ctrl A, Ctrl C, Ctrl V
// (code below by Kurt Spencer, slightly modified code to run as Processing tab)
// maybe you should rather use this new (improved) version of the noise instead : https://github.com/KdotJPG/OpenSimplex2

/*
 * OpenSimplex Noise in Java.
 * by Kurt Spencer
 * 
 * v1.1 (October 5, 2014)