Strategies for effectively handling errors in the requestAnimationFrame function

Question

Strategies for effectively handling errors in the requestAnimationFrame function

I'm currently facing issues with the animate() function, as it tends to crash my browser and cause my computer to heat up when errors occur. I attempted to use a try/catch handler to handle these errors but it did not work as expected.

animate(){
    this.renderer.render(this.scene, this.camera);

    try {
       // functions that update scene
    } catch (error) {
        gsap.ticker.remove(() => this.animate());
        console.error(error);
    }
}

Check out this Codepen Example for reference.

Can anyone offer suggestions on effectively error handling with a 'requestAnimationFrame'/gsap.tick loop?

javascript error-handling three.js gsap requestanimationframe

Answer 1

Answer №1

The issue with the .remove() function not working properly is due to the fact that arrow functions create a brand new function each time they are used. This results in attempts to remove a newly created function instead of the intended function within the .add().

If you're looking for a solution, you might want to consider something like this: Check out this demo

animate() {
  const myThis = window.tunnel;
  try {
    // Working example
    myThis.renderer.render(myThis.scene, myThis.camera); 

    // Error example (to demonstrate it works)
    // this.renderer.render(this.scene, this.camera);
  } catch (error) {
    gsap.ticker.remove(myThis.animate);
    console.error(error);
  }
}

Answer 2

The issue with the .remove() function not working properly is due to the fact that arrow functions create a brand new function each time they are used. This results in attempts to remove a newly created function instead of the intended function within the .add().

If you're looking for a solution, you might want to consider something like this: Check out this demo

animate() {
  const myThis = window.tunnel;
  try {
    // Working example
    myThis.renderer.render(myThis.scene, myThis.camera); 

    // Error example (to demonstrate it works)
    // this.renderer.render(this.scene, this.camera);
  } catch (error) {
    gsap.ticker.remove(myThis.animate);
    console.error(error);
  }
}

Strategies for effectively handling errors in the requestAnimationFrame function

Answer №1

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