Questions tagged [webgl]
WebGL extends the capability of the HTML canvas element to allow it to render accelerated graphics in any compatible web browser. **DO NOT TAG QUESTIONS ABOUT 3D LIBRARIES (like THREE.js) WITH THIS TAG** unless the question is specifically about a WebGL API feature. **DO NOT TAG QUESTION ABOUT UNITY WEBGL WITH THIS TAG!!**
webgl
6,776
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How to prevent parcel from moving images around?
Trying to use webgl to render a texture, and I am using some npm libraries so I am using .cjs files and using parcel to run it. When I try to get the image from my resources file it doesnt work ...
- 13
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35
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Reaction diffusion with shaders on WEBGL
I'm writing a reaction diffusion simulation with p5js based on a video and this tutorial. The code so far is this:
var vertSrc = `
#ifdef GL_ES
precision mediump float;
#endif
attribute vec3 ...
- 104
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47
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How do i pass uniforms to my glsl code at compile and during run time in three js?
I have a three js scene where i render meshes from a sdf glsl shader. I want to create uniforms on these shaders to adjust the distance field via sliders in the UI. Passing the shaders in from another ...
- 11
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28
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WEBGL_debug_render_info extension appears in getSupportedExtensions but doesn't work
I have opened the following HTML on multiple browsers (Chrome, Opera, etc.) but in the console it always logs 'WEBGL_debug_render_info extension doesn't work' despite gl.getSupportedExtensions() ...
- 13
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18
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WebGL line using TRIANGLE_STRIPs are being contoured at the end
WebGL offers gl_LINES as a way to create lines, but you cannot control its thickness. Therefore, I made a shader and some js functionality to create lines using gl_TRIANGLE_STRIPs. It does make the ...
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31
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Optimizing Unity WebGL Performance: Rendering Quality and Stability Issues [closed]
we’ve been developing a complex application in Unity that involves extensive rendering and numerous objects. On the PC build, the application performs well with smooth rendering and good response ...
0
votes
1
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34
views
Why is Webgl canvas effected by CSS background?
When I set my body element of background #000, and the circle seems great:
Figure A
However, with unset or #fff background, the color of the edge of this circle seems like calculated with white and ...
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-2
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1
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59
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rotating image using webGL in a wide canvas
i am developing a web app that will be able to do some image transformations one of them is image rotation, the problem is: as long as the canvas is square ( width = height ) every thing is ok, but ...
- 181
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41
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Pixi.js nested masks(object masked with another masked object) not working
I'm using pixi v7.3.3 and trying to mask a Graphics object with another masked Graphics object, but it doesn't get rendered and no error messages are issued.
I create a pixi Graphics object, mask it ...
- 13
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1
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34
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Trouble with reading a noise texture in GLSL
I'm writing a Perlin noise terrain generator with p5js, following this tutorial. The app ran poorly so I decided to rewrite it with shaders, something i've never used before. I started by generating a ...
- 104
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49
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How to make completely white floor with shadows?
Please help. I want white floor and shadows on it, but all I get is lightgray floor with very thin shadow:
lightgray floor
My floor and light configuration:
const ModelSceneEnvironment = () => {
...
0
votes
1
answer
47
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Zenject's LinqExtensions.cs failing in WebGL build
I have a game made in Unity 2021.1.26f1 which relies on Zenject. It runs great in the editor and in a Windows build. When I build for WebGL, however, I receive the following error:
System.Linq....
- 3
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46
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How can I share texture between contexts in webgl or webgl 2
I have 2 canvases and 2 webgl contexts created from these canvases. I have a texture cacher, I want to put the texture used on one canvas in the cacher and then if this texture is used on another ...
- 151
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Can shader read from and write to the same texture? [duplicate]
Can a shader render to a texture, and at the same time read from the texture it writes to? Effectively, that shader would write to the texture in place. What about consistency of such data? Is there ...
- 33.5k
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Implementing 3D Object Animation with Bouncing and Color Change in WebGL/Three.js
I need to create a 3D object (cube, sphere, or torus knot) that moves around the viewport, changes direction upon hitting the edges (bouncing effect), and changes color each time it bounces. I'm using ...
