registry MOSH

Static Snow · 043

capabilities open MOSH

Code-native visual signature / Atmosphere

staticSnow

Static Snow

Dead-channel TV noise.

Category: Atmosphere
Parameters: 2
Registry no.: 043 / 143

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What it reads

Frame-local Reads only the current frame, which makes it the cheapest kind to stack and safe to render into a Conjure window at any size.

Parameters

param	key	range	default
Amount	`amount`	0..1 (rendered to 2)	0.4
Coarse	`coarse`	0..1	0.3

The renderer widens amount past its declared maximum by 2× before it reaches the shader, because most shader bodies were tuned against a muted top end. The rendered figure is the bound that actually arrives.

Defaults as a layer

{ "effectId": "staticSnow", "params": { "amount": 0.4, "coarse": 0.3 } }

GLSL fragment shader

The effect's own code. The uniforms and helpers above it — uTex, uFeedback, the depth proxy, the frame ring, depthAt(), timeAt() — are the same header every Ether-MOSH shader opens with, and are documented once on the registry rather than reprinted on all 143 pages.

void main(){ vec4 c = texture2D(uTex, vUv); // Coarse runs the snow from fine sensor noise to chunky dead-channel // blocks — a different texture, not merely more of the same. vec2 grid = mix(vec2(1024.0, 768.0), vec2(90.0, 64.0), uCoarse); float n = rand(floor(vUv*grid) + floor(uTime*24.0)); gl_FragColor = vec4(mix(c.rgb, vec3(n), uAmount*0.85), c.a); }

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Other Atmosphere effects

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