shifty | The fastest JavaScript animation engine on the web | Animation library
kandi X-RAY | shifty Summary
kandi X-RAY | shifty Summary
Shifty is a tweening engine for JavaScript. It is a lightweight library meant to be encapsulated by higher level tools. At its core, Shifty provides:. This is useful because it is the least amount of functionality needed to build customizable animations. Shifty is optimized to run many times a second with minimal processing and memory overhead, which is necessary to achieve smooth animations.
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shifty Examples and Code Snippets
Lines of Code : 17License : Non-SPDX
Copyfunction startDrag(element, clientX, clientY) {
if(isDragging) {
return;
}
isDragging = true;
document.addEventListener('mousemove', onMouseMove);
element.addEventListener('mouseup', onMouseUp);
shiftX = clien ui.Image rotatedImage({ui.Image image, double angle}) {
var pictureRecorder = ui.PictureRecorder();
Canvas canvas = Canvas(pictureRecorder);
final double r = sqrt(image.width * image.width + image.height * image.height) / 2;
fabric.ImageContainer = fabric.util.createClass(fabric.Rect, {
type: 'image-container',
initialize: function(options) {
options || (options = { });
options.content || (options.content = { });
options.content.angle = optfunction createFunc(y0, x0, power) {
const inv = 10 / power;
const c = y0 / (x0 ** inv);
return function f(x) {
return c * (x ** inv) - y0;
}
}
const inputs = document.querySelectorAll("inpuCommunity Discussions
Trending Discussions on shifty
QUESTION
I am writing my own Drag'n'drop functionality for one of my projects and I am running into an issue. All my "draggable" elements are inside a container with display:flex. On mousedown event on one of this elements I set the position to absolute so I would be able to set the left and top properties of the element when I am dragging. Here is what I am doing:
ANSWER
Answered 2021-Apr-16 at 00:47You can use getBoundingClientRect() to get the actual position.
QUESTION
I need to process a http.get response multiple times in a unique RxJS pipeline. Here is a part of the JSON response:
ANSWER
Answered 2021-Apr-14 at 15:42If I understand the problem right, I would consider a solution along these lines. Comments inline
QUESTION
I have a div (which holds a Zoom iFrame) which I would like to move around the screen. However... on occasion if the user is being jerky with the mouse, it sticks to the pointer and the only way you can fix that is by refreshing the page.
Is that something anyone else has experienced and how did you solve it?
I would imagine its something to do with my Javascript portion and how I am listening for some events.
EDIT: Wanted to add that the below code was basically adjusted for Vue from this article: https://javascript.info/mouse-drag-and-drop
Thanks in advance!
HTML:
...ANSWER
Answered 2021-Mar-26 at 14:23here is a working demo to move the element via click.
I think currently your mistake is how you wanted to remove the eventlistener on mousedown
I hope this demo will give you an hint how to solve your problem.
QUESTION
I looked around and I couldn't find any info on the topic... probably because I can't iterate my problem accurately into a search engine.
I'm trying to take raw line data from a dxf, sort it into squares, find the center of each square, number the center, and print the result to pdf.
I have a data structure similar to the following:
...ANSWER
Answered 2020-Nov-28 at 04:54After sitting outside and staring at the fence for a bit, I revisited my computer and looked at the output again. I rotated it 180 as I did before, and studied it. Then I imagined it flipped over the y axis, like right off my computer. THAT WAS IT! I grabbed some paper and drew out the original coordinates, and the coordinates the pdf library.
input coords ^ >
output coords v >
I realized the only difference in the coordinate systems was that the y axis was inverted! Changing the lines to
QUESTION
I am working through a d3.js Linkedin Learning course, creating graphs and interpolating them by type. Link to course video here. I keep getting the above error, and I think it has to do with the fact that the videos are from 2016 and use v4 of d3.js, but I have no idea how to fix it. I found an answer to this problem on GitHub here but I don't understand it. If someone could ELI5 I would really appreciate it! Thanks.
...ANSWER
Answered 2020-Oct-16 at 14:54It's d3.curveNatural, not d3.curveNeutral. Because curveNeutral doesn't exist, it returned undefined.
QUESTION
In a SLURM cluster I am submitting a shell script that calls a python script (both scripts can be found below. When the shell script executes it get until where the python script is called but then nothing happens: there is no output, no error message and the SLURM job keeps running.
I assume the entire contents of the python script are not relevant (but I included it anyway for completion). For debugging purposes I inserted the print("script started") line at the very beginning to see if it gets run but it doesn't. The last thing I see in the output is moved to directory.
I tried calling a test.py script containing print("test")right before this and it gets executed normally.
What could be the reason the python script doesn't start and how can I fix it?
Edit: As user jakub recommended changing print("script started")to print("script started", flush=True)successfully gets printed. Including several more of these statements revealed that the script was actually running perfectly fine, it just didn't output anything. Including the same statement within the for loop that gets constantly executed also makes all print() statements previously missing get printed.
The question then turns into: why do the print() statements here need to have flush=True in this script but not in other scripts?
Shell script:
...ANSWER
Answered 2020-Aug-15 at 12:34Python buffers stdin, stdout, and stderr by default. print() writes to stdout by default, so you will see this buffered behavior.
From https://stackoverflow.com/a/14258511/5666087 :
Python opens the stdin, -out and -error streams in a buffered mode; it'll read or write in larger chunks, keeping data in memory until a threshold is reached.
You can forcibly flush this buffer by passing flush=True to print. See the documentation for more information. If you have multiple print statements in a row, you need only use flush=True in the last one.
QUESTION
I am building a new Javascript game with canvas and I would like to add an event listener to each object. I want to draw a useful joystick (arrows) when the game is opened from a smartphone/tablet. So, the player will be able to move the character by clicking each arrow.
This is what I have:
Game.js:
...ANSWER
Answered 2020-May-03 at 14:19The reason it is running click so many times is that you are adding the event listener in your draw function, which is being called every single frame, and once for each button. If the game is at 60fps and has been running for just one second, that's 240 event listeners that are all doing the same thing!
Event listeners don't go away, so you only need to add one. Also, just having addEventListener() adds the event listener to the document object. This isn't a problem since your canvas takes up the whole screen, but you can attach an event listener to the canvas specifically with this.canvas.addEventListener() (Inside the game class). I think that would work best in the initialize function.
Now, about having the click only register on the buttons: Unfortunately you can't add event listeners to objects that are not HTML nodes. The only way I've found to get around this is to add an event listener that runs every time you click on the canvas, and then to loop through all the buttons, checking if the click was within the bounds of the buttons.
The function in the event listener can have a parameter
QUESTION
I am kinda new to library Tkinter on python,
I am trying to animate actual time and simulated time of a vehicle on road. The road's segments is constructed using the GPS data.For example, below is my dataframe:
...ANSWER
Answered 2019-Oct-28 at 03:55Not sure if I understand correctly, but it seems you want the two move functions to start at the same time. If so you need to thread your functions.
Replace:
QUESTION
I am using pygame to create a Brick Breaker game. I have gotten everything else to work except the collisions. I tried to use collide_rect but it didn't work, but it did not give me error messages. I tried to use spritecollide, but it gives me the error message Ball object is not iterable. My goal is to detect the blocks, remove it, and increase the score. Sorry, my code is a little messy. Here is my code (The collision detection is near the bottom):
...ANSWER
Answered 2019-Oct-06 at 07:15The issue is the condition
QUESTION
I am having problem in increasing the accuracy of my Feed-Forward Neural network coded in python. I am not sure whether it's a genuine bug or just an incapability of my math functions but I am getting ambiguous outputs (like 0.5) No matter how much I increase the iterations....my code:-
...ANSWER
Answered 2019-Sep-25 at 16:33Your Sigmoid_Derivative function is wrong, something that has already been pointed out in a previous question of yours; it should be:
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