registry MOSH

Depth Echo · 108

capabilities open MOSH

Code-native visual signature / Dimensional

depthEcho

Depth Echo

Only you leave ghosts. The room behind you stays perfectly still and perfectly sharp.

Category: Dimensional
Parameters: 3
Registry no.: 108 / 143

Run Depth Echo in the browser

What it reads

Reads the time ring Looks into the ring of past output frames reaching back about 250ms, which lets it show two moments of the same shot at once.
Depth aware Reads the foreground/background estimate, so it can move the subject independently of the room behind them.

Parameters

param	key	range	default
Reach	`reach`	0..1	0.6
Strength	`strength`	0..1	0.7
Depth Gate	`gate`	0..1	0.42

Defaults as a layer

{ "effectId": "depthEcho", "params": { "reach": 0.6, "strength": 0.7, "gate": 0.42 } }

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 curTex = texture2D(uTex, vUv); vec3 cur = curTex.rgb; float d = depthAt(vUv); // Three points along the ring rather than one, so the trail is a continuous // wake instead of a single detached copy. vec3 past = timeAt(vUv, uReach * 0.34) * 0.5 + timeAt(vUv, uReach * 0.67) * 0.3 + timeAt(vUv, uReach) * 0.2; float g = smoothstep(uGate - 0.16, uGate + 0.16, d); vec3 echo = max(cur, past * uStrength); // The history ring only carries color, so alpha rides the current // frame's own value at this position — the ghosting is additive glow // within the subject's current silhouette, not a separate shape. gl_FragColor = vec4(mix(cur, echo, g), curTex.a); }

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