bezier | single header only C library for Bezier curve calculations | Math library
kandi X-RAY | bezier Summary
kandi X-RAY | bezier Summary
Bezier is a single header only C++11 library for Bezier curve calculations and manipulations. Currently only supports 2D bezier curves.
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Trending Discussions on bezier
QUESTION
I was transferring tasks from my maths textbook to Processing. One of the problems required the use of a parabola. I decided to write it as a Bézier curve, wrote the code, but something didn't work. Could anyone please explain to me what I did wrong here?
The code:
...ANSWER
Answered 2022-Mar-27 at 07:49Your resulting y coordinates are way too high for the bezier
curve.
If you want to draw the curve with line segments, you need to calculate the y coordinates inside the loop:
QUESTION
ANSWER
Answered 2022-Mar-22 at 15:48Is this what you are looking for? Just give the boxes individual flex-basis
values. Right now they both share the same value of 50%
. Even if you change that to something like 70%
, they both share the same value and they both can't take 70%
so it effectively remains at 50%
.
QUESTION
I have a dummy webpage with a chart, but when i scroll my wheel the slightest I zoom all the way in. How can i limit the amount of zooming in. I tried using limit options in plugins->zoom but it zoomed in again all the way in and couldnt zoom out after that. I use chartjs version 3.7.1, zoom plugin version 1.2.0 and trying this on chrome and edge browsers.
...ANSWER
Answered 2022-Mar-14 at 12:49This is because of your limits you set and the scroll speed. In your limits you told the x to go to max 10 and you made the scroll speed 10 times the default. Setting this to the default and removing the verry aggresive limit on the x axis it works fine:
QUESTION
I'm building a specialized node editor in Pygame. Each node will be connected with a bezier curve. This curve is built by clicking on a node first. A bezier is drawn between the mouse cursor and the node and once you click on a second node, the bezier line is fixed. My code can already draw the curve and follow the mouse cursor. My problem is that the curve is too thin. Does anyone know of a way to easily specify width in pygame.gfxdraw.bezier? Also, I have no idea what the argument "6" corresponds to; I only know the code won't function without it.
...ANSWER
Answered 2022-Mar-05 at 21:53Simple answer: You cant't, at least not with pygame.gfxdraw
or pygame.draw
. You have to do it yourself.
Compute points along the curve and connect them with pygame.draw.lines
.
See Finding a Point on a Bézier Curve: De Casteljau's Algorithm and create a function that draw a bezier curve piont, by point:
QUESTION
My current code opens up an input via a click by adding a class. I'm having trouble adding a second click that removes the added class when the user clicks off the input. I added a second click event but it just stops my first click event from working.
Is there a different way to approach this using pure JavaScript?
(Commented out failed attempt.)
...ANSWER
Answered 2021-Dec-23 at 10:59try it:
QUESTION
ANSWER
Answered 2021-Dec-17 at 09:03I think you cannot achieve this with BottomAppBar
without working some hacks around it. I can suggest you use 2 FABs, an invisible one to get the BottomAppBar
curved the way you wish, and another one (the actual one) and place it at the position you need it to be placed at, here is an example
QUESTION
I am working on a simple whiteboard application where the drawings are represented by quadratic Bezier curves (using the JavaScript's CanvasPath.quadraticCurveTo
function). I am trying to implement functionality so that an eraser tool or a selection tool are able to determine if they are touching a drawing.
To show what I'm talking about, in the following image is a red drawing and I need to be able to determine that the black rectangles and black point overlap with the area of the drawing. For debugging purposes I have added blue circles which are control points of the curve and the green line which is the same Bezier curve but with a much smaller width.
I have included my code which generates the Bezier curve:
...ANSWER
Answered 2021-Dec-16 at 13:26Some interesting articles/posts:
How to track coordinates on the quadraticCurve
https://coderedirect.com/questions/385964/nearest-point-on-a-quadratic-bezier-curve
And if it doesn't work maybe you can take a look at this library: https://pomax.github.io/bezierjs/
As suggested by Pomax in the comments the thing you're looking for is in the library and it looks like there is a proper explanation.
There is a live demo if you want to try it: https://pomax.github.io/bezierinfo/#projections
The source code of it is here: https://pomax.github.io/bezierinfo/chapters/projections/project.js
To use it install it using the steps from GitHub: https://github.com/Pomax/bezierjs
Of course credit to Pomax for suggesting his library
QUESTION
Is it possible to have a CSS slider cycle through two images when animating them with the translateX
transform property?
I'm facing a couple of issues:
I can't seem to get the second image to show even though it is in the HTML unless I use
position: absolute
and then theoverflow: hidden
doesn't work on the parent?How do I reset the first image to go back to the beginning to start it all again?
Note: in the animation shorthand, the animation lasts for 2.5s and there is an initial delay of 3s.
I only want to do with this with the translateX
property because I want the 60FPS smoothness (it will be done with translate3d
when completed, but to make the code easier to read I've used translateX). I don't wish to animate margin: left
or the left
property etc.
Any help would be amazing.
Code is below or link to Codepen: https://codepen.io/anna_paul/pen/ZEJrvRp
...ANSWER
Answered 2021-Nov-06 at 19:57No, without position:absolute
its not possible.
For the Position Reset you can use Javascript. Here's a example;
QUESTION
in the example below is it possible to expand flex children to full width on hover with css only or I should do this with javascript? Note: It's important to use flexbox in this scenario. and if its not possible to create it with css can you please suggest a javascript functionality for this problem?
...ANSWER
Answered 2021-Sep-19 at 08:18You can do
.panel:hover{ flex-basis: 100%; }
It will shrink the rest to a minimum and expand the one hovered. Check if this helps.
QUESTION
I've been trying to mock a carousel-like effect in cards rendered through v-for. I have an array of data and I have a method that left rotates that array. I'm passing that rotated array in v-for. But, the rotated arrays shift the real dom div instead of re-rendering the component in v-for (I think this is how Vue behaves for optimization). I've tried transition-group but it only applies transition to leaving and entering div. Is there any way so that I can get a carousel-like effect (divs moving upward) using Vue transition? When I was writing the code, the divs were moving upward and behaving as expected because at that time instead of divs shifting in real dom, only the data inside that div were changing but later on it started to behave like this (divs shifting in real dom)
Here is the fiddle link: https://jsfiddle.net/aanish/7pe5jq9u/4/
Please help me to achieve the expected behavior.
...ANSWER
Answered 2021-Aug-25 at 08:58Maybe with mode="out-in"
along with transition name
, and transition-group
for list, check snippet pls :
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