Questions tagged [shadertoy]

26 questions
0
votes
1 answer

Plasma Shader is not rendering as expected

I am trying to hack this Plasma shader from ShaderToy so it works with Spark AR ... I'm very close but there is a weird issue with the shader being compressed into the corner. Are there any shader guru's who can give me some pointers? Here's what it…
Lee Probert
  • 10,308
  • 8
  • 43
  • 70
0
votes
0 answers

Why do I get this arbitrary syntax error?

I'm learning GLSL, and I thought it might be a fun project to build a simple raytracer. I can't figure out why I get a weird syntax error on this function: vec3 rayAt(in ray r, in float t) { return r.o + t*r.d; } For context, r.o and r.d are…
user17400329
0
votes
1 answer

drawing more than one of my glowing lights makes them share the light, cant split them

I am trying to create two independent glowing lights but when a make the second share the light stretches between the 2 void mainImage( out vec4 fragColor, in vec2 fragCoord ) { // Normalized pixel coordinates (from 0 to 1) vec2 uv =…
0
votes
0 answers

How can i run ShaderToy code in standalone windows web browser

I have question How can i run ShaderToy code Standalone in windows web browser like firefox or chrome for example like this code: #define PI 3.141592653589793 void mainImage(out vec4 fragColor, in vec2 fragCoord) { vec2 pixel_count =…
smallbee
  • 233
  • 1
  • 4
  • 16
0
votes
0 answers

How to handle errors in Shadertoy React

Is there a way to detect if the fragment shader you pass to the component has any errors? By default, the component renders black and logs the error, but I would like to be able to detect that in code so I can render something else.
0
votes
0 answers

Replicate shadertoy example in SFML?

I would like to replicate this in SFML, so I wrote this: Main.cpp #include #define WIDTH 800 int main() { sf::RenderWindow window(sf::VideoMode(WIDTH, WIDTH), "Test"); sf::Shader shader, buffer; …
nowox
  • 25,978
  • 39
  • 143
  • 293
0
votes
0 answers

how to draw a helix in 3d using fragment shader (shadertoy)

I am relatily new to GLSL. I want to create a solar system model and use it as a wallpaper (using shadertoy) (Something like this and while i have the planets moving correctly i cant figure out how to do the helix paths that follow those…
Zygal
  • 1
  • 1
0
votes
1 answer

SDF WebGPU. How to modify the code for SDF purpose like in ShaderToy.com?

I want to create a WebGPU version of Shadertoy, but I can't to prepare the code correctly. How to draw in @fragment shader for SDF in WebGPU ? I clipped space [-1,1, 1,1, -1,-1, 1,-1] of canvas but what I need to do next ?
Teamur
  • 67
  • 1
  • 4
0
votes
0 answers

ShaderToy shader integration with React

I am integrating Shader from Shadertoy in my react project using library shadertoy-react I am making this effect https://www.shadertoy.com/view/WlKXWc in my react component. and I was facing issue with GLS in my console which saying about…
0
votes
0 answers

How to convert Shader from Shadertoy to WebGL?

I'm really struggling to make this shader from Shadertoy into a simple Website with WebGL. Does anyone know how to do that? I'm new into Shaders and that stuff... I tried with help of various tutorials from the internet but none of them are helping…
Rafael
  • 13
  • 2
-1
votes
1 answer

Can't render any shader in React: `Failed to execute 'shaderSource'`

I'm trying to render a simple shader, but with every library I use (gl-react, shadertoy-react, etc), i get the error: TypeError: Failed to execute 'shaderSource' on 'WebGL2RenderingContext': parameter 1 is not of type 'WebGLShader'. at…
1
2