200 lines
4.5 KiB
JSON
200 lines
4.5 KiB
JSON
{
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"id": "vhs",
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"name": "VHS",
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"description": "VHS with wiggle, smear, and YIQ-style color separation inspired by nostalgic analog references.",
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"category": "Glitch",
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"entryPoint": "shadeVideo",
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"passes": [
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{
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"id": "tapeSmear",
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"source": "shader.slang",
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"entryPoint": "buildTapeSmear",
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"inputs": [
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"layerInput"
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],
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"output": "tapeSmear"
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},
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{
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"id": "final",
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"source": "shader.slang",
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"entryPoint": "finishVhs",
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"inputs": [
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"tapeSmear"
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],
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"output": "layerOutput"
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}
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],
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"parameters": [
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{
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"id": "wiggle",
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"label": "Wiggle",
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"type": "float",
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"default": 0.03,
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"min": 0,
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"max": 1.5,
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"step": 0.01,
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"description": "Horizontal tape wobble amount."
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},
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{
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"id": "wiggleSpeed",
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"label": "Wiggle Speed",
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"type": "float",
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"default": 25,
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"min": 0,
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"max": 100,
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"step": 1,
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"description": "Speed of the tape wobble modulation."
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},
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{
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"id": "smear",
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"label": "Smear",
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"type": "float",
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"default": 1,
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"min": 0,
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"max": 2,
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"step": 0.01,
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"description": "Horizontal color/luma smear strength."
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},
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{
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"id": "blurSamples",
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"label": "Blur Samples",
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"type": "float",
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"default": 15,
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"min": 3,
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"max": 15,
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"step": 1,
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"description": "Number of smear samples; higher values are smoother but heavier."
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},
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{
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"id": "vignetteAmount",
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"label": "Vignette",
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"type": "float",
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"default": 0.3,
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"min": 0,
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"max": 0.6,
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"step": 0.01,
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"description": "Darkens and softens the frame edges."
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},
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{
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"id": "aberrationAmount",
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"label": "Aberration",
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"type": "float",
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"default": 0.75,
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"min": 0,
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"max": 3,
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"step": 0.05,
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"description": "Color-channel separation amount."
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},
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{
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"id": "halationAmount",
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"label": "Halation",
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"type": "float",
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"default": 0.12,
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"min": 0,
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"max": 0.5,
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"step": 0.01,
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"description": "Red/orange glow around bright areas."
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},
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{
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"id": "bloomAmount",
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"label": "Bloom",
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"type": "float",
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"default": 0.18,
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"min": 0,
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"max": 0.6,
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"step": 0.01,
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"description": "Soft glow strength from bright video regions."
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},
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{
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"id": "fadeAmount",
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"label": "Fade",
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"type": "float",
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"default": 0.22,
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"min": 0,
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"max": 0.75,
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"step": 0.01,
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"description": "Washed-out tape fade amount."
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},
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{
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"id": "noiseAmount",
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"label": "Noise",
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"type": "float",
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"default": 0.055,
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"min": 0,
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"max": 0.2,
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"step": 0.005,
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"description": "Fine grain/noise intensity."
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},
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{
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"id": "staticAmount",
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"label": "Analog Static",
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"type": "float",
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"default": 0.045,
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"min": 0,
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"max": 0.25,
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"step": 0.005,
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"description": "Random bright static intensity."
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},
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{
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"id": "staticLines",
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"label": "Static Lines",
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"type": "float",
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"default": 0.65,
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"min": 0,
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"max": 1.5,
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"step": 0.01,
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"description": "Horizontal static line visibility."
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},
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{
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"id": "noiseSize",
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"label": "Noise Size",
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"type": "float",
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"default": 1,
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"min": 0.25,
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"max": 6,
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"step": 0.05,
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"description": "Scale of the generated noise pattern."
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},
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{
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"id": "scanlineAmount",
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"label": "Scanlines",
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"type": "float",
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"default": 0.08,
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"min": 0,
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"max": 0.35,
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"step": 0.005,
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"description": "Subtle alternating-field luma modulation."
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},
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{
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"id": "chromaCrawlAmount",
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"label": "Chroma Crawl",
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"type": "float",
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"default": 0.035,
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"min": 0,
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"max": 0.2,
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"step": 0.005,
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"description": "Moving color shimmer around high-contrast edges."
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},
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{
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"id": "generationLoss",
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"label": "Generation Loss",
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"type": "float",
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"default": 0.18,
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"min": 0,
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"max": 1,
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"step": 0.01,
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"description": "Raises blacks, softens detail, lowers contrast, and desaturates chroma like copied tape."
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},
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{
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"id": "sharpnessDrift",
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"label": "Sharpness Drift",
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"type": "float",
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"default": 0.12,
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"min": 0,
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"max": 0.6,
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"step": 0.01,
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"description": "Slowly varies picture softness to mimic unstable tape focus."
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}
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]
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}
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