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https://killedbyapixel.github.io/ZzFX/

A Tiny JavaScript Sound FX System
https://killedbyapixel.github.io/ZzFX/

codegolf game-development html5 javascript sizecoding sound sound-effects sound-synthesis

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A Tiny JavaScript Sound FX System

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README 

        
# ZzFX - Zuper Zmall Zound Zynth



[![NPM Package][npm]][npm-url]

[![Build Size][build-size]][build-size-url]

[![NPM Downloads][npm-downloads]][npmtrends-url]

[![DeepScan][deepscan]][deepscan-url]



ZzFX is a tiny sound generator designed to produce a wide variety of sound effects with minimal code overhead. It's perfect for games, prototypes, and any web application that needs sound without the bulk of traditional sound files.



# [ZzFX Sound Designer](https://killedbyapixel.github.io/ZzFX) - [Soundboard Demo](https://codepen.io/KilledByAPixel/full/BaowKzv)



![ZzFX Image](/screenshot.png)



## 🌟 Features



- Compact: Less than 1 kilobyte when compressed!

- Versatile: 20 controllable parameters for diverse sound effects.

- No Dependencies: Standalone with no external libraries.

- Cross-Browser: Compatible with nearly all web browsers.

- Open Source: MIT licensed, use it anywhere!



## 🔊 Why Use ZzFX?



- Code-Driven Sound: Add or change sound effects with just one line of code.

- Lightweight: No sound asset files mean faster download times.

- Prototyping: Ideal for placeholder sound effects.

- Game Jams: Minimal overhead for size-limited competitions like [JS13K](https://js13kgames.com/).

- Not Just for Games: Enhance any website with sound.



## 🚀 How to Use



* Download from github or use `npm install zzfx`

* Import ZZFX as a module with using `import {ZZFX, zzfx} from './ZzFX.js'`

* Or paste the code from [ZzFXMicro.min.js](https://github.com/KilledByAPixel/ZzFX/blob/master/ZzFXMicro.min.js)

* To play a sound just call zzfx(), something like `zzfx(...[,,,,.1,,,,9])`

* Use [the ZzFX sound designer web app](https://killedbyapixel.github.io/ZzFX) to craft new sounds.



Sample sounds...



```javascript

zzfx(...[,,925,.04,.3,.6,1,.3,,6.27,-184,.09,.17]); // Game Over

zzfx(...[,,537,.02,.02,.22,1,1.59,-6.98,4.97]); // Heart

zzfx(...[1.5,.8,270,,.1,,1,1.5,,,,,,,,.1,.01]); // Piano

zzfx(...[,,129,.01,,.15,,,,,,,,5]); // Drum

```



## 🎶 ZzFX Music



- [ZzFX now supports music via ZzFXM by Keith Clark!](https://keithclark.github.io/ZzFXM/)

- Super tiny player and songs.

- Compatible with [NoteCraft](https://killedbyapixel.github.io/NoteCraft/) exports.



## 🛠️ ZzFX UI Features



- Random Sound Generation: Create sounds from presets.

- Sound Management: Auto-save, rename, and favorite sounds.

- Sound Visualization: View sound wave images on playback.

- Sharing: Load sounds via pasted zzfx code.

- Export/Import: Drag-and-drop support for sound lists.

- Offline Playback: Save sounds as .wav files.



## 🖥️ ZzFX Micro Code



Here's all the code you need to play ZzFX sounds with JavaScript!



```javascript

let // ZzFXMicro - Zuper Zmall Zound Zynth - v1.3.1 by Frank Force ~ 1000 bytes

zzfxV=.3,               // volume

zzfxX=new AudioContext, // audio context

zzfx=                   // play sound

(p=1,k=.05,b=220,e=0,r=0,t=.1,q=0,D=1,u=0,y=0,v=0,z=0,l=0,E=0,A=0,F=0,c=0,w=1,m=0,B=0

,N=0)=>{let M=Math,d=2*M.PI,R=44100,G=u*=500*d/R/R,C=b*=(1-k+2*k*M.random(k=[]))*d/R,

g=0,H=0,a=0,n=1,I=0,J=0,f=0,h=N<0?-1:1,x=d*h*N*2/R,L=M.cos(x),Z=M.sin,K=Z(x)/4,O=1+K,

X=-2*L/O,Y=(1-K)/O,P=(1+h*L)/2/O,Q=-(h+L)/O,S=P,T=0,U=0,V=0,W=0;e=R*e+9;m*=R;r*=R;t*=

R;c*=R;y*=500*d/R**3;A*=d/R;v*=d/R;z*=R;l=R*l|0;p*=zzfxV;for(h=e+m+r+t+c|0;aa?0:(az&&(b+=v,C+=v,n=0),!l||++I%l||(b=C,u=G,n=n||1);p=zzfxX.

createBuffer(1,h,R);p.getChannelData(0).set(k);b=zzfxX.createBufferSource();

b.buffer=p;b.connect(zzfxX.destination);b.start()}

```



## 🎮 Games Using ZzFX



[Space Huggers](https://js13kgames.com/entries/space-huggers) / [Packabunchas](https://js13kgames.com/entries/packabunchas) / [Galaxy Rider](https://js13kgames.com/entries/galaxy-rider) / [The Adventures of Captain Callisto](https://js13kgames.com/entries/the-adventures-of-captain-callisto) / [Welcome to Space](https://js13kgames.com/entries/welcome-to-space) / [Bogus Roads](https://www.newgrounds.com/portal/view/747570) / [NoteCraft](https://js13kgames.com/entries/notecraft) / [The Wandering Wraith](https://js13kgames.com/entries/the-wandering-wraith) / [Bounce Back](https://www.newgrounds.com/portal/view/755171) / [Hue Jumper](https://killedbyapixel.itch.io/hue-jumper) / [Bubba's Back Room](https://js13kgames.com/entries/bubbas-back-room) / [Backstabber Hero](https://js13kgames.com/entries/backstabber-hero) / [Spendotron: 2019](https://killedbyapixel.itch.io/currency-wars) / [Dioretsa](https://js13kgames.com/entries/20461-dioretsa) / [Back 2 Back](https://js13kgames.com/entries/back-2-back) / [Quick Wins](https://js13kgames.com/entries/quick-wins) / [Back Relax](http://js13kgames.com/entries/back-relax) / [Back To The Island](https://js13kgames.com/entries/back-to-the-island) / [Backspace It](http://js13kgames.com/entries/backspace-it) / [Back To The Stars](https://js13kgames.com/entries/back-to-the-stars) / [Can't Get Back](https://js13kgames.com/entries/cant-get-back) / [Letchworth Village](https://js13kgames.com/entries/letchworth-village) / [Noegnud](https://js13kgames.com/entries/noegnud) / [Sausage Redemption](https://gogoprog.itch.io/sausage-redemption) / [Marshmallow Sky](https://github.com/baturinsky/marshmallow-sky) / [Big Champ](https://js13kgames.com/entries/big-champ) / [I want to google the game](https://js13kgames.com/entries/i-want-to-google-the-game) / [Edge Not Found](https://js13kgames.com/entries/edge-not-found) / [Stolen Sword](https://js13kgames.com/entries/stolen-sword) / [Highway 404](https://js13kgames.com/entries/highway-404) / [The Last Spartan](https://js13kgames.com/entries/the-last-spartan) / [OS13k](https://github.com/KilledByAPixel/OS13k) / [Crab Story](https://www.crabstory.io/) / [Cooking for Skully](https://github.com/gheja/js13k2022) / [Egg Time Rewind](https://js13kgames.com/entries/egg-time-rewind) / [Charon Jr.](https://js13kgames.com/entries/charon-jr) / [13](https://js13kgames.com/entries/13) / [Soul Surf](https://js13kgames.com/entries/soul-surf) / [Dead Again](https://js13kgames.com/entries/dead-again) / [Trench Fisher](https://swashvirus.github.io/trench-fisher) / [Path to Glory](https://js13kgames.com/entries/path-to-glory) / [Merlin vs Alfonso](https://js13kgames.com/entries/merlin-vs-alfonso) / [Casual Crusade](https://js13kgames.com/entries/casual-crusade) / [Squirtcopter](https://joachimford.uk/squirtcopter/) / [Dr1v3n Wild](https://js13kgames.com/2024/games/dr1v3n-wild) / [Squad 13](https://js13kgames.com/2024/games/squad-13) / [Coup Ahoo](https://js13kgames.com/2024/games/coup-ahoo) / [The Way of the Dodo](https://js13kgames.com/2024/games/the-way-of-the-dodo) / [Wendol Village](https://js13kgames.com/2024/games/wendol-village) / [Bubble Burst](https://js13kgames.com/2024/games/bubble-burst) / [Brewing Disaster](https://js13kgames.com/2024/games/brewing-disaster) / [Data Warrior: 13kb limit](https://js13kgames.com/2024/games/data-warrior-13kb-limit) / [Unblock](https://js13kgames.com/games/unblock)



![ZzFX Image](/icon.png)



[npm]: https://img.shields.io/npm/v/zzfx

[npm-url]: https://www.npmjs.com/package/zzfx

[build-size]: https://badgen.net/bundlephobia/minzip/zzfx?3

[build-size-url]: https://bundlephobia.com/result?p=zzfx

[npm-downloads]: https://img.shields.io/npm/dw/zzfx

[npmtrends-url]: https://www.npmtrends.com/zzfx

[deepscan]: https://deepscan.io/api/teams/22950/projects/26379/branches/838286/badge/grade.svg

[deepscan-url]: https://deepscan.io/dashboard#view=project&tid=22950&pid=26379&bid=838286