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Change offset for "stateful random" streams

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This would no longer match with Tidal (which uses
0.0001), but reduces the correlation among the
the different random streams in the mini-notation's
parsing of ? and |
This commit is contained in:
Bradford Powell 2022-08-01 19:35:15 -04:00
parent 0b00ad98e6
commit f533e4a5d0
1 changed files with 2 additions and 2 deletions
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4
packages/mini/mini.mjs
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@ -28,7 +28,7 @@ const applyOptions = (parent) => (pat, i) => {
case 'bjorklund': case 'bjorklund':
return pat.euclid(operator.arguments_.pulse, operator.arguments_.step, operator.arguments_.rotation); return pat.euclid(operator.arguments_.pulse, operator.arguments_.step, operator.arguments_.rotation);
case 'degradeBy': case 'degradeBy':
return reify(pat)._degradeByWith(strudel.rand.early(0.0001 * _nextSeed()).segment(1), operator.arguments_.amount); return reify(pat)._degradeByWith(strudel.rand.early(Math.PI * _nextSeed()).segment(1), operator.arguments_.amount);
// TODO: case 'fixed-step': "%" // TODO: case 'fixed-step': "%"
} }
console.warn(`operator "${operator.type_}" not implemented`); console.warn(`operator "${operator.type_}" not implemented`);
@ -91,7 +91,7 @@ export function patternifyAST(ast) {
return stack(...children); return stack(...children);
} }
if (alignment === 'r') { if (alignment === 'r') {
return strudel.chooseInWith(strudel.rand.early(0.0001 * _nextSeed()).segment(1), children); return strudel.chooseInWith(strudel.rand.early(Math.PI * _nextSeed()).segment(1), children);
} }
const weightedChildren = ast.source_.some((child) => !!child.options_?.weight); const weightedChildren = ast.source_.some((child) => !!child.options_?.weight);
if (!weightedChildren && alignment === 't') { if (!weightedChildren && alignment === 't') {