Sergio Valor
44de2c7013
- FPS counter in window title (updates every 500ms) - F4 key toggles VSync on/off - Shader metadata: Name and Author from comments - iChannel metadata parsing for multi-pass support - Base structures: ShaderBuffer, ShaderPass - FBO/texture management functions - Updated all 11 shaders with Name/Author metadata 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
53 lines
1.3 KiB
GLSL
53 lines
1.3 KiB
GLSL
// Name: Voxel Descent
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// Author: Jaenman
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// URL: https://www.shadertoy.com/view/Wc3cRr
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#version 330 core
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precision highp float;
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out vec4 FragColor;
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in vec2 vUV;
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uniform vec2 iResolution;
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uniform float iTime;
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/*================================
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= Voxel Descent =
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= Author: Jaenam =
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================================*/
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// Date: 2025-11-14
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// License: Creative Commons (CC BY-NC-SA 4.0)
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// Thanks to @diatribes for the plasma :D
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void mainImage( out vec4 O, vec2 I )
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{
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float i=0.,d=0.,s=0.,t = iTime*.8;
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vec3 p,q,z,k;
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vec4 c = vec4(1,2,3,1);
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mat2 R = mat2(cos(t/3.+vec4(0,33,11,0)));
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// Initialize O before loop (was O*=i where i=0, reading uninitialized out parameter)
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O = vec4(0.0);
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for(; i++<1e2;O+=sin(.5*c+i*.2)/s)
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z = normalize(vec3(I+I, 0) - vec3(iResolution.xy, iResolution.y)),
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z.xy*=R,
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p = d*z+sqrt(i)*i,
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k=z/=length(z.xy),
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z.z-=t, p.z+=t,
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d+=s=.012+.07*abs(mix(cos(dot(sin(floor(p/8.)).yzx,cos(ceil(z/.1)))),length(k),.2)-i/1e2);
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O*= exp(-.02*d*d);
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// Add epsilon protection to prevent division overflow
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O=tanh(O*O*mix(length(abs(c/max(dot(cos(t+p),vec3(6)), 0.001))),length(k),.5)/6e4);
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}
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void main() {
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vec2 fragCoordPixels = vUV * iResolution;
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vec4 outColor;
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mainImage(outColor, fragCoordPixels);
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FragColor = outColor;
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}
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