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ArrayV

Discord GitHub Workflow Status (branch) GitHub Workflow Status (branch)

Over 200 sorting algorithms animated with 15 unique graphic designs

Join the Discord server!

To compile use:

./mvnw clean verify

To run use:

./run

Alternatively, you can double click on "run" or "run.bat" on Windows.

You can always download the most up-to-date pre-built JAR from GitHub Actions (link via nightly.link).

Legacy changelog

6/8/2020 - Version 3.5

  • NEW VISUALS: Sine Wave and Wave Dots!!
  • New sort: Bogobogosort
  • The bogo shuffle method is now unbiased
  • MultipleSortThreads further refactored
  • Visuals, VisualStyles enum, and Renderer significantly refactored (more to come!)

6/4/2020 - Version 3.2

  • New sort: Optimized Cocktail Shaker Sort
  • Significant refactoring for MultipleSortThreads and RunAllSorts
  • "Run All" button approx. time simplified
  • Modified delays for Binary Gnomesort
  • Documentation of GCC's median-of-three pivot selection in Introsort

6/3/2020 - Version 3.12

  • Counting Sort fixed
  • Optimized Bubblesort now optimized for already sorted inputs
  • Speeds for Quicksorts and Weave Merge during "Run All Sorts" improved

6/2/2020 - Version 3.11

  • Minor update to MIT license
  • Fixed typo in Flipped Min Heapsort
  • Improved highlights on Heapsorts (Already sorted heaps now display redundant comparisons)
  • Bug fix for Patiencesort on reversed arrays
  • Quicksorts exhibiting worst-case behavior during "Run All Sorts" run much faster
  • Same tweak as above to Weave Merge Sort

5/30/2020 - Version 3.1

  • Error messages with detailed information will now appear within the program!
  • Sound effects are now consistent on all platforms
  • New sort: "Flipped Min Heap Sort" by 'landfillbaby'!
  • Minor changes to code organization
  • New webhook to my Discord server! Check it out here: https://discord.com/invite/2xGkKC2

5/22/2020 - Version 3.01

  • Quick bug fix to the "Linked Dots" visual; The first line is no longer horizontal.

5/21/2020 - Version 3.0 is now released!

  • Sound effects are much more pleasant at slower speeds
  • Revamped "Run All Sorts" (It is now easier to create your own sequence of sorts!)
  • More accurate delay algorithm
  • Improved random shuffle algorithm (now with 0% bias!)
  • Cleaner statistics
  • Sort an array up to 16,384 (2^14) numbers!
  • The "green sweep" animation also verifies an array is properly sorted after watching a sort. If a sort fails, a warning message pops up, highlighting where the first out-of-order item is.
  • Minor tweak to the sort time method. It should be a slight bit more accurate now.
  • Slowsort and Sillysort's comparisons are now shown.
  • Gravity Sort has a more detailed visual now
  • Pancake Sorting is fixed
  • Counting Sort is fixed
  • Holy Grail Sort is enabled, but just note that it's a mock algorithm; not finished yet.
  • "Auxillary" typo fixed; program now says 'Writes to Auxiliary Array(s)'
  • Bug fixes and minor tweaks
    • Minor fixes to "Skip Sort" button
    • Weird static line bug with linked dots squashed
    • Other miscellaneous fixes and changes here and there

10/19/2019 - Version 2.1

  • Both Odd-Even Mergesorts now display comparisons
  • PDQSort's Insertion Sorts have been slowed down
  • New sorts, courtesy of Piotr Grochowski (https://github.com/PiotrGrochowski/ArrayVisualizer):
    • Iterative Pairwise Sorting Network
    • Recursive Pairwise Sorting Network
    • Recursive Combsort

10/13/2019 - Version 2.0 is now released!

  • Now includes 73 sorting algorithms, with 2 more that will be finished in the future
    • NEW SORTS:
      • Unoptimized Bubble Sort
      • Rotation-based In-Place Merge Sort
      • "Lazy Stable Sort" from Andrey Astrelin's GrailSort
      • Grail sorting with a static buffer
      • Grail sorting with a dynamic buffer
      • Andrey Astrelin's "SqrtSort"
      • CircleSort
      • Introspective CircleSort
      • Orson Peters' "Pattern-Defeating Quicksort" (PDQSort)
      • Branchless PDQSort
      • Morwenn's implementation of "Poplar Heapsort"
      • Recursive Binary Quicksort
      • Iterative Binary Quicksort
      • Iterative Bitonic Sort
      • Iterative Odd-Even Mergesort
      • "Bubble Bogosort"
      • "Exchange Bogosort"
      • Treesort
      • Optimized Gnomesort with Binary Search
      • "Cocktail Mergesort" (https://www.youtube.com/watch?v=fWubJgIWyxQ)
      • NOTE: "Quick Shell Sort" has been removed.
  • Significantly refactored code, more object-oriented
  • Optimized visuals -- the program runs smoother than ever!
  • Plug-and-play functionality -- using classgraph, you can now easily add your own sorting algorithms to the program! Documentation on that will be available in the future.
  • Sort delay system redesigned -- you can now change the speed of the program in the middle of a delayed compare or swap
  • Speed dialogue is now disabled while other windows are open
  • WikiSort no longer gets stuck on sorting its internal buffer
  • Tweaks to TimSort, mostly reimplementing its binary insertion sort
  • Binary Insertion Sort is now stable
  • The write/swap counts for inputs already sorted are fixed
  • The main/auxillary array write counts for Bottom-up Merge are fixed
  • Shuffling the array now clears the statistics
  • The highest pitches of the program's sound effects are fixed
  • Speeds for the "green sweep" and shuffling animations have been tweaked
  • Shatter Sort's highlights slightly tweaked
  • GrailSort's highlights slightly tweaked

KNOWN BUGS:

  • Certain sorts (comb sort, radix sorts) cause the program to forget the current speed
  • Certain sorts do not work with the "Skip Sort" button
  • Missing soundfont
  • SkaSort and HolyGrailSort produce errors -- this is normal, they aren't finished yet
  • No circular pointer -- will be fixed soon

PLANS FOR FUTURE RELEASES:

  • Javadocs!!
  • SkaSort
  • "Holy Grail Sort"
  • Options to:
    • Enter in your own set of numbers
    • Select CombSort gap sequence
    • Select ShellSort gap sequence
    • Change TimSort "minrun" value
    • Change IntroSort threshold for insertion/heap sort
    • Change Simple Shatter Sort rate(?)
    • Stop Run All Sorts(?)
    • Stop TimeSort(?)
  • Pre-shuffled arrays
  • Organize list of sorts into more categories
  • Run All Sorts in specific category
  • Subheadings for customizable sorts (e.g. display the number of buckets during a bucket sort)
  • "Pipe organ" distribution (half ascending, half descending)
  • Fixed circular pointer with much cleaner math
  • Toogle between pointer and black bar with circular visuals
  • Refactor/reorganize prompts and frames
  • Cleaner:
    • Tree Sort
    • getters/setters
    • method parameters
  • Small organizational changes