Javascript – Problem stopping detecting keys when use "SHIFT"
I was doing tests to detect the keyboard keys, it occurred to me to save it in an array and add the keys in the order in which they are held down. For example, if you keep "w" and "a",…
Javascript – How to achieve smooth frame rate independent animations
I have the following animation/movement that's a simple physics attraction model: const steps = 25; const friction = 0.68; const target = 400; // Pixels let velocity = 0; let position = 0; function update() { const displacement = target…
Javascript – requestAnimationFrame() animation of multiple objects sync problem
The task is to animate number of falling rectangles simulating rain, when rectangle – jet touches ground -draw star. To impelemnt it there are 3 classes: GitHub repository. // Shapes: class WaterJet { // falling rectangles class RandomStar { // stars…
Ubuntu – requestAnimationFrame exceeds screen refresh rate
i use requestAnimationFrame in a js webgl project where i change the pixel color from black to white on each frame by accessing a texture that contains the content of the last frame ) but the framerate exceeds the Hz…
Html – does requestAnimationFrame only run before repaint or per frame?
according to what most articles claims, requestAnimationFrame runs before the browser repaints, and fits in the screen refresh rate. However my understanding is that the browser only repaints when some codes changed what will be on the screen, and the…
Javascript – requestAnimationFrame and its lifecycle
I realized that I was confused with requestAnimationFrame, although some time ago I thought I understood how it works. So what is the essence of my problem: They say that requestAnimationFrame, namely its callback, will be called before the rendering…
Javascript – How to implement requestAnimationFrame loop with asynchronous callback?
I found a couple of questions pretty close to what I am looking for, but either I don't understand enough or the questions/answers do not exactly apply to what I am looking for: How to use requestAnimationFrame with Promise requestAnimationFrame…
JavaScript: how to update progress bar inside nested for loops?
I have some nested for loops that take a while to run, so I want to display a progress bar. The problem is that this is not an inherently async process, it is a block of code with 3 nested…
Javascript – Which queue is associated with requestAnimationFrame?
Today I was asked this question on an interview. I couldn't answer this question and the interviewer said there was a special queue for requestAnimationFrame callbacks. But I can't find any information on this. If rAF has it's own queue…
Javascript – Does cancelAnimationFrame clear any existing requestAnimationFrame queues?
Does cancelAnimationFrame completely removes all the queued up animation logic? For example, lets say the logic was complicated and my screen was doing 60FPS. the time it took to complete the entire logic per frame, lets say is 50ms. That…