title Shader Toy demo

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# Reproducing this beautiful tweet
 https://x.com/YoheiNishitsuji/status/1839575714678423890 beautiful tweet

image ss.png
 width 200

# Step 1:

Go to https://www.shadertoy.com/new

# Step 2: Paste the below code in

Then run!

code
 void mainImage( out vec4 fragColor, in vec2 fragCoord )
 {
     vec2 p = (fragCoord.xy * 2.0 - iResolution.xy) / iResolution.y * 0.5 - 0.5;
     vec3 C = vec3(0.0);
 
     for (float i = 1.0; i < 99.0; i++)
     {
         float j = i + 1.0;
         vec2 q = p - vec2(sin(j + 1.0), sin(j + iTime)) / (sin(iTime - j / 8.0 + 9.0) + 1.0) * 0.1;
         C += 0.01 / length(q * 99.0);
     }
 
     fragColor = vec4(C * 5.0, 0.0);
 }

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