registry MOSH

Hue Rotate · 025

capabilities open MOSH

Code-native visual signature / Color Chaos

hueRotate

Hue Rotate

Rotate the entire color wheel.

Category: Color Chaos
Parameters: 2
Registry no.: 025 / 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`	-1..1 (rendered to 3)	0.3
Vividness	`vividness`	0..1	0.5

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": "hueRotate", "params": { "amount": 0.3, "vividness": 0.5 } }

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); vec3 hsv = rgb2hsv(c.rgb); hsv.x = fract(hsv.x + uAmount); // Rotating hue alone left the pad's Y axis dead; saturation is the natural // partner and runs this from washed out to electric. hsv.y = clamp(hsv.y * mix(0.15, 2.4, uVividness), 0.0, 1.0); gl_FragColor = vec4(hsv2rgb(hsv), c.a); }

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Other Color Chaos effects

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