44 lines
1.5 KiB
JSON
44 lines
1.5 KiB
JSON
{
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"source": "JSON",
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"data": "BLOCK",
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"version": "0.0.1",
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"type": "javascript.distortion",
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"language": "javascript",
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"extension": "webaudio",
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"help": "Distortion",
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"label": "Distortion",
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"color": "#D3C124",
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"group": "Sound",
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"codes": [
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{
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"name": "declaration",
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"code": "\nvar block_$id$ = context.createWaveShaper();\nblock_$id$.curve = makeDistortionCurve($prop[curve]$);\nblock_$id$.oversample = '4x';\nvar $port[input]$ = block_$id$;\nvar $port[output]$ = block_$id$;\n"
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},
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{
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"name": "function",
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"code": "\nfunction makeDistortionCurve(amount) {\n var k = typeof amount === 'number' ? amount : 50,\n n_samples = 44100,\n curve = new Float32Array(n_samples),\n deg = Math.PI / 180,\n i = 0,\n x;\n for ( ; i < n_samples; ++i ) {\n x = i * 2 / n_samples - 1;\n curve[i] = ( 3 + k ) * x * 20 * deg / ( Math.PI + k * Math.abs(x) );\n }\n return curve;\n};\n"
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}
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],
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"properties": [
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{
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"name": "curve",
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"label": "Curve",
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"type": "Float",
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"value": 800
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}
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],
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"ports": [
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{
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"conn_type": "input",
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"name": "input",
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"label": "Input",
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"type": "javascript.sound"
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},
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{
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"conn_type": "output",
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"name": "output",
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"label": "Output",
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"type": "javascript.sound"
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}
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]
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} |