JS Engine is a heavily modified Psych Engine fork, with lower-end devices and more customization in mind.
README.md revamped by Nael2xd
If you're looking for the Android/IOS version, go here!
Welcome to JS Engine's github repo, where you can download the engine and make spammy charts or have fun with the engine.
This contains lots and lots of customizable and features built in to JS Engine, if you wanna see most of them listed, you can see it below this text
This fork has tons of features and performances features, most will be listed:
- No BotPlay lag!
- Faster Song Loading!
- Loading songs longer than 20 minutes!
- Note Performance!
- Loading 100k+ notes without closing the window!
- Basic Shader Support! (for a full list, it can be seen in here)
- Rendering mode! (Originally used for lua and gamerenderer-engine)
- Built in Song Credits! (on chart editor)
- Spam modules! (for the DnB fans)
There is like lots and lots of stuff i've missed, but at least you would like those features built in JS ENGINE
Frequently Asked Questions (FAQs) are found in here or you can simply see it below.
Q: Can I use this engine for my mod(s)?
A: Yes, you can! just be sure to credit me (@JordanSantiago on YouTube) and give a link to this page. or the link to download the latest release.
Q: How do I (change the background, add characters, etc.)?
A: You do it here the same way you'd do it in Psych Engine.
Q: I found a bug!
A: Report here.. Also, please check if there are already posts about the same issue.
Q: I found a WAY to fix a bug!
A: Send here..
Refer to the Build Instructions
If you get an error related to hxCodec, run haxelib set hxCodec 2.5.1
If graphics are all white and don't have color, run haxelib git hxcpp https://github.com/HaxeFoundation/hxcpp
if you wish to disable things like Lua Scripts or Video Cutscenes, you can read over to Project.xml
inside Project.xml, you will find several variables to customize JS Engine to your liking
to start you off, disabling Videos should be simple, simply Delete the line "VIDEOS_ALLOWED" or comment it out by wrapping the line in XML-like comments, like this <!-- YOUR_LINE_HERE -->
same goes for Lua Scripts, comment out or delete the line with LUA_ALLOWED, this and other customization options are all available within the Project.xml file
- Shadow Mario - Programmer
- RiverOaken - Artist
- bbpanzu - Ex-Programmer
- SqirraRNG - Crash Handler and Base code for Chart Editor's Waveform
- KadeDev - Fixed some cool stuff on Chart Editor and other PRs
- iFlicky - Composer of Psync and Tea Time, also made the Dialogue Sounds
- PolybiusProxy - .MP4 Video Loader Library (hxCodec)
- Keoiki - Note Splash Animations
- Smokey - Sprite Atlas Support
- Nebula the Zorua - LUA JIT Fork and some Lua reworks
- Probably one of the main points of this engine, you can code in .lua files outside of the source code, making your own weeks without even messing with the source!
- Comes with a Mod Organizing/Disabling Menu.
- New Dad Left sing sprite
- Unused stage lights are now used
- Both BF and Skid & Pump does "Hey!" animations
- Thunders does a quick light flash and zooms the camera in slightly
- Added a quick transition/cutscene to Monster
- BF does "Hey!" during Philly Nice
- Blammed has a cool new colors flash during that sick part of the song
- Better hair physics for Mom/Boyfriend (Maybe even slightly better than Week 7's 👀)
- Henchmen die during all songs. Yeah :(
- Bottom Boppers and GF does "Hey!" animations during Cocoa and Eggnog
- On Winter Horrorland, GF bops her head slower in some parts of the song.
- On Thorns, the HUD is hidden during the cutscene
- Also there's the Background girls being spooky during the "Hey!" parts of the Instrumental
- You can now chart "Event" notes, which are bookmarks that trigger specific actions that usually were hardcoded on the vanilla version of the game.
- Your song's BPM can now have decimal values
- You can manually adjust a Note's strum time if you're really going for milisecond precision
- You can change a note's type on the Editor, it comes with two example types:
- Alt Animation: Forces an alt animation to play, useful for songs like Ugh/Stress
- Hey: Forces a "Hey" animation instead of the base Sing animation, if Boyfriend hits this note, Girlfriend will do a "Hey!" too.
- Working both for Source code modding and Downloaded builds!
- Added a different BG to every song (less Tutorial)
- All menu characters are now in individual spritesheets, makes modding it easier.
- You can add a head icon, name, description and a Redirect link for when the player presses Enter while the item is currently selected.
- The engine comes with 16 example achievements that you can mess with and learn how it works (Check Achievements.hx and search for "checkForAchievement" on PlayState.hx)
- You can change Note colors, Delay and Combo Offset, Controls and Preferences there.
- On Preferences you can toggle Downscroll, Middlescroll, Anti-Aliasing, Framerate, Low Quality, Note Splashes, Flashing Lights, etc.
- When the enemy hits a note, their strum note also glows.
- Lag doesn't impact the camera movement and player icon scaling anymore.
- Some stuff based on Week 7's changes has been put in (Background colors on Freeplay, Note splashes)
- You can reset your Score on Freeplay/Story Mode by pressing Reset button.
- You can listen to a song or adjust Scroll Speed/Damage taken/etc. on Freeplay by pressing Space.