"Exploring the Latest ThreeJS Enhancements Beyond the Standard

Is it acceptable to update values outside of the animate() loop?

Could updating values outside the loop impact render performance?

The potential drawback is that some updates might not be fully completed until the next animate call.

Are there any other disadvantages that I should consider?

function animate() {
    requestAnimationFrame( animate )
    updatePositions()
}

vs.

function animate() {
    requestAnimationFrame( animate )
}

function onWebSocketUpdate() {
    updatePositions()
}

An alternative perspective:

onWebSocketUpdate(data) {

  // Option 1
  // WebSocket directly applies the update 
  model.update(data)

  // Option 2
  // WebSocket saves data to a buffer
  buffer.push(data)
  // When animate() runs, it retrieves buffered data
  model.update(buffer.pop())
}

Answer №1

When your web socket is sending updates to change the position of an object, you will encounter two different scenarios:

  1. If the updates are being sent at a higher rate than your frame rate, it is recommended to include updatePositions() within the animate() function. This ensures that only one position update is processed between frames.
  2. On the other hand, if the updates are coming in at a slower rate compared to your frame rate, it is more efficient to update positions outside of the animate() function. By doing so, you can improve performance by avoiding unnecessary calls to updatePositions() on every single frame

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