slider-x | Simple and awesome slider | Carousel library
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kandi X-RAY | slider-x Summary
Simple and awesome slider
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QUESTION
I have been trying to create shading in webgl just like in this image: where we can see a cone, a sphere, and a light (which we can change his position with the sliders).
I've tried to write some code in the html file by seeing multiple examples of shading from some webgl tutoring sites, but right now, I can't even see the shapes. It's sure that I'm doing something wrong, but I just don't know where. Here's my code and I also included a link because it contains multiple files. Thanks in advance.
Link: https://wetransfer.com/downloads/cd0f66f2e2866c0d118e95b02e01cb0520200923203442/274553
...ANSWER
Answered 2020-Sep-24 at 12:53Honestly, there are too many issues to cover. Trying to get your code work. First you really need to learn how to make a minimal repo. The code you posted doesn't run, references several scripts that don't exist, and data that doesn't exist.
The tutorial the code is based off appears to be old. No one uses XMLHttpRequest in 2020. There's no such function as requestAnimFrame
it's requestAnimationFrame
. I think that's left over from a polyfill from like 2011. It's still using which few use anymore. It's also using
new Date().getTime()
which there's no reason to use as the time is passed into requestAnimationFrame
. It's calling some function to get a webgl context but there's no reason for that either in 2020. It's also apparently using an old version of glMatrix because the current version uses a different API. In the current version every function takes a matrix to store the result as the first argument. Also in the current version perspective
takes the field of view in radians. I have no idea if it used to take it in degrees but the code was passing degrees.
I changed the XHR code to just return a cube. (an example of the minimal and complete parts of an "minimal complete verifiable example" (mcve) - I think now S.O calls them a "minimal reproducible example". I also removed all the references to ColorPicker
(another example of making a minimal repo)
The code should have gotten errors in the JavaScript console. Did you check the JavaScript console? In particular uNMatrix
is a mat3 but the code was calling gl.uniformMatrix4fv
to set it which is an error.
Using webgl-lint pointed out several uniforms were not being set including "ambientProduct", "diffuseProduct", "specularProduct" and several were being set that don't exist (that part is not a bug necessarily) but there are several uniforms in the vertex shader that are not actually used and for example the colors seem to be set with
QUESTION
I have a hit and miss (luck) success rate with JS callbacks. Sometimes I can for weeks put together quite complicated objects and controls and then BHAM one eye is twitching and I'm pressing buttons with my best chimp impression. Those with the knowledge will point out the obvious that I never knew so I've so far been a perfect example of the Dunning–Kruger effect
I learn much better by example so in the code under Faulty Approach all the values take on the last value assigned and you end up in twitch mode. The second snippet Naive Approach assigned different labels to avoid the first snippets problem.
In the first snippet the first 3x lines fetch values and asign them to an element.
...ANSWER
Answered 2018-Apr-29 at 19:43$('.svg-icon').click(function () {
const getXY = (xid, yid)=> ({x: $(xid).slider("value"), y: $(yid).slider("value")})
const setXY = (elId,{x, y})=>$(elid).attr("x", x).attr("y" ,y);
const getScale = (elId) => $(elid).slider("value");
const {x,y} = getxy('.slider-x','.slider-y')
$('.svg-position').attr("transform", "translate(" + x + "," + y + ")");
setXY('.strapline-text', getXY('.slider-strapline-text-x', ".slider-title-text-y"))
setXY('.title-text', getXY('.slider-title-text-x', '.slider-title-text-y'))
$('.svg-size').attr("transform", "scale(" + getScale('.slider-svglogo-scale') / 100 + ")");
$('.svg-business-title').css("font-size", getScale('.slider-title-text-scale') + "px");
$('.svg-strap-line').css("font-size", getScale("slider-strapline-text-scale") + "px");
var strap = $('.text-strap').val();
$('.svg-strap-line').text(strap);
//some code that builds html and sets values
});
QUESTION
I have an SVG element with defined text and a path. Please see my example code.
The text works as desired, scales from the center and can be positioned accurately but I have I am having terrible trouble with the path.
When I touch the slider to move x or y the scale gets thrown off and it always scales from the top left corner. I've tried numerous examples online but I have had no luck so I cleaned up the example code.
I would like to be able scale the path from it's center and when I change it's position it doesn't affect the scale.
...ANSWER
Answered 2018-Apr-18 at 22:44You were using one transform attribute for three independent operations, in fact overwriting values that you would need to maintain. In addition, transform="scale()" always scales around the origin of the local coordinate system. So to scale the paths in place, they must be centered at x = y = 0.
The steps to take to rectify the situations in a maintainable way:
Distribute translating and scaling the paths to two enclosing groups, the outer one being the translation (
.svg-position
), the inner one the scale (.svg-size
).Determine the center of the paths:
QUESTION
I'm using slick Slider Syncing with 3 sliders. With 2 sliders it works fine but when I try with 3 sliders with 3 classes still only 2 are working.
example » https://jsfiddle.net/rk0tuoy7/6/
...ANSWER
Answered 2017-May-03 at 08:21It seems that the asNavFor
option works as a normal CSS selector. You can list several classes separated by commas:
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