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weuoimi 

It's unclear for me how to monitor the position of gridshape being transfered by anim.node from one point to another. In the async Promise i have to resolve the function and free memory when animation is done, in other words stop the animation when the end coordinate is reached. Can't find in docs and examples.

I'll share the code snippet I have problems with below, with three of my unsuccessful attempts commented out. I have also tried to use Task for these purposes but it didn't go well either.

[Jitter, JavaScript] Tracking down the position of gridshape being transferred by jit.anim.node in js api async function 

jitter-javascript-tracking-down-the-position-of-gridshape-being-transferred-by-jitanimnode-in-js-api-async-function

Hello again, I know that I have been clogging the forum with my questions lately, this one is the last one i swear! 

I omitted some other code, only the problematic function and it's call remained. I commented out my unsuccessful attempts. There was another one where I tried to use Task, but it failed as well. I swear i read docs, but can't figure this out.

Hello again, I know that I have been clogging the forum with my questions lately, this one is the last one i swear! 

It's unclear for me...

patchcord-outlet-out-of-range-error-when-connecting-two-jitterobjects-in-async-function

Listening to or monitoring jitter object's position in js api inside async await func

Hello, I am working on a project using mostly v8 and dicts which requires a lot of directed movement of objects. I want to create javascript classes that represent certain gridshapes and move them with certain speed and direction according to information provided in dictionary. I want to get familiar with some examples of how you can control the movement of figures in v8 javascript api, i guess you can use some of Jitter3dUtilsInterface functions for that. For example, if i understand it right, i can represent some gridshape as follows:

class Impulse {
    constructor(startVertex, impulsePower, maxTimeInMs) {
        this.currentVertex = startVertex; // Initialize with start vertex
        this.impulsePower = impulsePower;
        this.maxTimeInMs = maxTimeInMs;

        // Visual representation
        this.objectRepresentation = new JitterObject("jit.gl.gridshape");
        this.objectRepresentation.shape = "sphere";
        this.objectRepresentation.scale = [0.2, 0.2, 0.2];
        this.objectRepresentation.color = [Math.random(), Math.random(), Math.random(), 1.0];
        this.objectRepresentation.position = graph[startVertex]?.coordinates || [0, 0, 0]; // Position at startVertex
    }
// class methods
}

now i need to come up how to move them with certain speed etc.

any suggestions are appreciated, thanks in advance

[Jitter, Javascript] Examples of jitter geometry in v8 or just using Jitter3dUtilsInterface in v8?

jitter-javascript-examples-of-using-jitter3dutilsinterface-in-v8

In my current project, I'm implementing a system where impulses traverse a graph, with each impulse having its own set of attributes. An impulse starts at a specific vertex using a startImpulses() function, and as it moves through the graph, it updates its position according to its individual parameters. Each impulse can be thought of as a self-contained unit that moves from one point to another, following the edges of the graph. The graph itself is stored within a dictionary, where each vertex holds coordinates and connections to other vertices.

Now, I'm looking for a way to represent impulse as jitter object with three characteristics, which interpolates from one coordinate to another with some kind of ramp like [line 0 1] acting as time representation. Bang is used as framerate

I would use setInterval js function but I can't In the max API. It's first time for me implementing something that complex in v8, so any suggestions appreciated!

In my current project, I'm implementing a system where impulses traverse a graph, with each impulse having its own set of attributes. An...

implementing-a-graph-floodfill-algorithm-with-dynamically-changing-jitmatrix-and-dictionary-using-v8

implementing dynamically changing ramp (like line/line~) in v8

neuwirthe

I need help with writing a javascript offset

The function below produces values at the output.

How do I get the values of these 2 inputs into the arguments of the function.

Or how can I assign the values to variables within the function.


inlets = 2; // Define the number of inlets
outlets = 2; // Define the number of outlets
setinletassist(0,"inpitch")
setinletassist(1,"invelocity")
setoutletassist(0,"outpitch")
setoutletassist(1,"outvelocity")
function msg_int(pitch, invelocity){
	outlet(0,100+1)
        outlet(1,100/2)
}

I need help with writing a javascript offset

The function below produces values at the output.

But I want outlet(1, inpitch+1) and...

javascript-help-needed-for-writing-an-object

Javascript help needed for writing an object

En Chilada

This might be a noob (js or max) question, but anyway:

In the node.script help "basic" tab, if I press the "script npm --version",

in the "npm" tab, if I press "script npm version",

the node.script debug tool always returns "Cannot read properties of null (reading 'once').

Is this normal and/or do I have do anything else to use npm?

This might be a noob (js or max) question, but anyway:

In the node.script help "basic" tab, if I press the "script npm --version",

or

in...

help-with-npm

help with npm

Fynn Konig

I´m just trying out the javascript for Max implementation. However, I don´t seem to find anything on how to create classes. When I try to define one with the "class 

js: BPMMachine.js: Javascript SyntaxError: missing ; before statement, line 6

Besides that I didn´t find any information or examples with javascript classes. Hoping for you to help me out, maybe I´m just missing something really simple?

I´m just trying out the javascript for Max implementation. However, I don´t seem to find anything on how to create classes. When I try to define one with the "class classname {}" Syntax, I get the following error:

Hey there everyone,
I´m just trying out the javascript for Max implementation. However, I don´t seem to find anything on how to create class

javascript-classes-in-maxmsp

Maybe I´ve postet this too early, seems the whole ES6 Syntax doesnt work as its not implemented?! Found this interesting page:
https://cycling74.com/forums/any-plans-to-update-support-for-recent-versions-of-js 
Guess I´l have to live with it then...

For those in the future, I found this tutorial very helpful for learning the old syntax and techniques to write classes in a Max js object...
https://www.newthinktank.com/2015/09/object-oriented-javascript/ 

Javascript Classes in MaxMSP

Just Evan

I'm trying to make a device that dynamically monitors changes in the chains of the drumrack device, namely whether the name of any of the 128 (0-127) chain changes. 

Since I am an absolute beginner in javascriprt, I made this script using chat GPT, this is all I could get out of it after spending a couple of months. It is also likely that the script is far from ideal.

I would like the script to display the id of the chains in which changes occurred and the new name of the chain (Chain: id N, Name Changed: New Name). 

inlets = 1;
outlets = 1; // Set one outlet for sending chain ID

var observers = [];
var previousNames = []; // Array to store previous chain names
var pathPrefix = "";
var chainsObserver;
var maxChains = 128;

// Function to create an observer for a chain
function createObserver(index) {
    if (observers[index]) {
        observers[index].property = "";
    }
    var observer = new LiveAPI(callback, pathPrefix + " chains " + index);
    observer.property = "name";
    observers[index] = observer;
    previousNames[index] = ""; // Initialize previous name
}

// Callback function to handle name changes
function callback(args) {
    var index = args[0]; // Assume the first argument is the chain index
    var newName = args[1]; // Second argument is the new chain name

    // Check if the name has changed
    if (previousNames[index] !== newName) {
        previousNames[index] = newName; // Update previous name
        post("Chain ID: " + index + ", New Name: " + newName + "\n"); // Debug message
        outlet(0, index); // Send chain ID through the first outlet
    }
}

// Function to track changes in the chain list
function observeChains() {
    if (chainsObserver) {
        chainsObserver.property = "";
    }
    chainsObserver = new LiveAPI(chainsCallback, pathPrefix);
    chainsObserver.property = "chains";
}

// Callback function to handle changes in the chain list
function chainsCallback(args) {
    // Update observers only for active chains
    for (var i = 0; i < maxChains; i++) {
        if (i < args.length - 1) { // Check if the chain exists
            createObserver(i);
        }
    }
}

// Function to set the path and create initial observers
function setPath(path) {
    pathPrefix = path;
    observeChains();
}

// Message to set the path
function anything() {
    var args = arrayfromargs(messagename, arguments);
    outlet(0, args); // Send input message through the first outlet

    if (args[0] == "path") {
        var path = args.slice(1).join(" ");
        setPath(path);
    }
}

Note: In the inlet of the script I send a message containing the path to my drumrack, something like "path live_set tracks 0 devices 2"

Hello. 

I'm trying to make a device that dynamically monitors changes in the chains of the drumrack device, namely whether the name of any...

js-chain-observer-for-rackdevice-drumrack

JS Chain Observer for RackDevice (DrumRack)

AudioMatt

I know this is silly but I nearly missed that I could deduce the sample rate of a buffer like this so 

    var buf = new Buffer("myBuffer");

    post("samplerate: ",buf.samplerate(),"\n"); 

Buffer.prototype.samplerate = function(){

    return 1000*this.framecount()/this.length()

I know this is silly but I nearly missed that I could deduce the sample rate of a buffer like this so for anyone searching in the future:

function bang(){
	var buf = new Buffer("myBuffer");
	post("samplerate: ",buf.samplerate(),"\n"); 
}
Buffer.prototype.samplerate = function(){
	return 1000*this.framecount()/this.length()
}

I know this is silly but I nearly missed that I could deduce the sample rate of a buffer like this so for anyone searching in the future:

f

buffer-samplerate-javascript

Buffer Samplerate Javascript

Federico-AmazingMaxStuff

Here I want to collect all the less intuitive Javascript syntax and techniques for Max. 

Javascript Forum