KA ProcessingJS Max Infinite Loop Count is Too Short

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Halogen

March 08, 2022 20:03

Right now it is extremely difficult to get even relatively basic simulations to run in Khan Academy's ProcessingJS editor without going over the _env_.KAInfiniteLoopCount limit, causing the project to freeze and display an error message saying that a loop is taking too long to run.

Early into the development of my current project, I ran into this problem, and I had to solve it with a really annoying workaround: I made it so that if you click on the screen, it tells the draw function to stop looping, then immediately start looping again.

The way I propose this problem be fixed is by adding the ability to modify the limit variable, at least up to maybe 5000 iterations, aka 5 times the current limit. Maybe even make an option to ignore some errors, such as '==' not being allowed at all.

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2 comments

Electric Dolphin ⚡️🐬

March 17, 2022 15:33
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There are some workarounds to the limit, but I'd love a higher limit by default

VEXCESS #BringBackBackgrounds

March 29, 2022 00:04

KWC made a function that very easily lets you increase the max infinite loop time.

/** @CREDIT created by MKaelin368 (KWC) (c) 2018 */
function setKALoopTimeout (ms) {
  var method_name = 'KAInfiniteLoopSetTimeout';
  if (method_name in this) {
    this[method_name](ms >>> 0);
  }
}

// sets max loop time to 5000 milliseconds
setKALoopTimeout(5000);

You also can use jshint commands to make oh noes ignore double equal signs

// the following comment causes jshint to ignore double equal signs (and also a bunch of other stuff)
// jshint ignore: start
if ("hello" == "hello") {
  println("hello");
}

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KA ProcessingJS Max Infinite Loop Count is Too Short

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