My sketch works in Java on my machine, but not in javascript on openprocessing.org. What's wrong?

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mrkill47

My sketch works in Java on my machine, but not in javascript on openprocessing.org. What's wrong?

in Processing with Other Languages • 1 month ago

Hey guys, new to Processing here. For an assignment for school I had to create some sort of interactive animation that had custom GUI controls. I have completed the sketch and it works fine on my laptop, but the javascript/openprocessing.org version doesn't work.

The OP link is here: http://www.openprocessing.org/sketch/109726

All of the code is visible there. It only displays my background image and a status bar I created. Everything does not seem to load.

Thanks for any help.

Replies(4)

GoToLoop

Re: My sketch works in Java on my machine, but not in javascript on openprocessing.org. What's wrong?

1 month ago

import java.text

.DecimalFormat;

If you wanna your code working in JavaScript mode too, you gotta stick w/ Processing's API.
I don't think Processing has any support for that Java library.

mrkill47

Re: Re: My sketch works in Java on my machine, but not in javascript on openprocessing.org. What's wrong?

1 month ago

Thanks for pointing this out! I modified the sketch to use nf() instead, but my sketch still does not show up.

When attempting to test individual things, I created a sketch, put my background image in, and then attempted to use my Sprite class to simply show one Sprite. The code ran, but the Sprite did not show up. The image is there because I tested it with just 'image()'. Could the issue be with my Sprite class?

Re: My sketch works in Java on my machine, but not in javascript on openprocessing.org. What's wrong?

1 month ago

Looks like you have variable name clashes. When coming up with variable names in JavaScript mode you need to be 100% sure that your variable name isn't already used in JavaScript to refer to some object.

You MUST read this "intro to processing JS for processing programmer":

(Especially claues 7.6 and 7.7)

http://processingjs.org/articles/p5QuickStart.html

And also if you use Chrome you can start perssing Ctrl+Shift+J to open "Developer Console" where you can see error messages from JavaScript.

Re: My sketch works in Java on my machine, but not in javascript on openprocessing.org. What's wrong?

1 month ago

Thank you so much, you were correct. I was using words that were reserved for javascript. CTRL+SHIFT+J also helped out a lot.

The working sketch is here: http://www.openprocessing.org/sketch/109913

I marked your answer as best. I'll be reading that article you linked to as well. Thanks again!

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My sketch works in Java on my machine, but not in javascript on openprocessing.org. What's wrong?

Replies(4)

Re: My sketch works in Java on my machine, but not in javascript on openprocessing.org. What's wrong?

Re: Re: My sketch works in Java on my machine, but not in javascript on openprocessing.org. What's wrong?

Re: My sketch works in Java on my machine, but not in javascript on openprocessing.org. What's wrong?

Re: My sketch works in Java on my machine, but not in javascript on openprocessing.org. What's wrong?

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