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fix: Hero shader ghost lines #11

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Merged
DnA-IntRicate merged 2 commits into from
Jan 31, 2026
Merged

fix: Hero shader ghost lines #11

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74591dc
dark-matter switch back to highp float precision
DnA-IntRicate Jan 31, 2026
131bfb4
dark-matter soften inverse calc & implement dithering
DnA-IntRicate Jan 31, 2026
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8 changes: 6 additions & 2 deletions content/shaders/dark-matter.frag
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
#version 300 es
precision mediump float;
precision highp float;

// This shader is a modified version of "Zippy Zaps" by SnoopethDuckDuck
// See: https://www.shadertoy.com/view/XXyGzh
Expand Down Expand Up @@ -42,6 +42,10 @@ void main()
vec2 v = iResolution.xy;
vec2 u = gl_FragCoord.xy;

// Add slight noise to break phase alignment
float dither = fract(sin(dot(gl_FragCoord.xy, vec2(12.9898,78.233))) * 43758.5453);
u += dither * 0.0001;

float aspect = v.x / v.y;
float base = min(v.x, v.y);

Expand All @@ -62,7 +66,7 @@ void main()
{
float vv = dot(v, v);
float uu = dot(u, u);
float inv = 1.0 / max(0.5 - uu, 0.08);
float inv = 1.0 / (0.5 - uu + 0.12);

o += (1.0 + cos(z + t)) /
length((1.0 + i * vv) *
Expand Down