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Personal blog websites system built on Beetlex.FastHttpApi framework
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QUESTION
I'm trying to create directories based on what groups they belong to and what the user defines in the variable.
...ANSWER
Answered 2021-Mar-04 at 00:32You can map
the extract
filter:
QUESTION
I recently started learning about shaders and three.js. I tried to display a shader with a texture but it displays all black.
Here's the codepen: https://codepen.io/LDB95/pen/MxmWNq
These are my uniforms:
...ANSWER
Answered 2019-Mar-08 at 10:58I'm afraid your codepen is full of mistakes. It seems you are trying to port a shader from shadertoy to three.js
, right?
I have removed all errors here but the effect still looks broken: https://codepen.io/anon/pen/XGRVew
Anyway, here are a few things to keep in mind:
- You have to assign the textures to the uniforms after you have created the shader pass. Uniforms are cloned for the internal material of
ShaderPass
. That means textures are cloned, too. The respectiveneedsUpdate
flag is not set correctly if you load the texture before the material creation. - As mentioned by @Marquizzo, your texture are blocked for security reasons. I've added some textures from the
three.js
repo for test purposes. The following line of code is not necessary since uv coordinates are provided with the geometry. It's not necessary to compute them on-the-fly like shadertoy does. Just use the varying
vUv
in the fragment shader.
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