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v1Compat.ts
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v1Compat.ts
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export function v1Compat( data: any ): any {
const newData = data;
for ( const name in newData.params ) {
const oldParam: any[] = newData.params[ name ];
const newParam = {
nodes: oldParam.map( ( node, i ) => ( {
time: node.time,
value: node.value,
in: i === 0 ? undefined : { time: 0.0, value: 0.0 },
out: ( i === oldParam.length - 1 ) ? undefined : { time: 0.0, value: 0.0 }
} ) ),
fxs: [] as any[]
};
let head = 0;
for ( let i = 1; i < oldParam.length; i ++ ) {
head ++;
if ( oldParam[ i ].mode === 0 ) { // hold
newParam.nodes.splice( head, 0, {
time: oldParam[ i ].time,
value: oldParam[ i - 1 ].value,
in: { time: 0.0, value: 0.0 },
out: { time: 0.0, value: 0.0 }
} );
head ++;
} else if ( oldParam[ i ].mode === 1 ) { // linear
// do nothing
} else if ( oldParam[ i ].mode === 2 ) { // cosine
const l = newParam.nodes[ head ].time - newParam.nodes[ head - 1 ].time;
newParam.nodes[ head - 1 ].out = { time: l * 0.37, value: 0.0 };
newParam.nodes[ head ].in = { time: -l * 0.37, value: 0.0 };
} else {
newParam.nodes.splice( head, 0, {
time: oldParam[ i - 1 ].time,
value: oldParam[ i ].value,
in: { time: 0.0, value: 0.0 },
out: { time: 0.0, value: 0.0 }
} );
head ++;
if ( oldParam[ i ].mode === 3 ) { // exp
newParam.fxs.push( {
name: 'Exponential Smoothing',
bypass: false,
row: 0,
time: oldParam[ i - 1 ].time - 1.0 / newData.resolution, // 🔥
length: oldParam[ i ].time - oldParam[ i - 1 ].time,
params: {
factor: oldParam[ i ].params.factor,
preserve: true
}
} );
} else if ( oldParam[ i ].mode === 4 ) { // spring
newParam.fxs.push( {
name: 'Critically Damped Spring',
bypass: false,
row: 0,
time: oldParam[ i - 1 ].time - 1.0 / newData.resolution, // 🔥
length: oldParam[ i ].time - oldParam[ i - 1 ].time,
params: {
factor: oldParam[ i ].params.rate,
ratio: oldParam[ i ].params.damp,
preserve: true
}
} );
} else if ( oldParam[ i ].mode === 5 ) { // gravity
newParam.fxs.push( {
name: 'Gravity',
bypass: false,
row: 0,
time: oldParam[ i - 1 ].time - 1.0 / newData.resolution, // 🔥
length: oldParam[ i ].time - oldParam[ i - 1 ].time,
params: {
a: oldParam[ i ].params.gravity,
e: oldParam[ i ].params.bounce,
preserve: true
}
} );
}
}
if ( oldParam[ i ].mods[ 1 ] ) {
newParam.fxs.push( {
name: 'Sinewave',
bypass: false,
row: 1,
time: oldParam[ i - 1 ].time,
length: oldParam[ i ].time - oldParam[ i - 1 ].time,
params: {
freq: oldParam[ i ].mods[ 1 ].freq,
amp: oldParam[ i ].mods[ 1 ].amp,
phase: oldParam[ i ].mods[ 1 ].phase
}
} );
}
if ( oldParam[ i ].mods[ 2 ] ) {
newParam.fxs.push( {
name: 'Fractal Noise',
bypass: false,
row: 2,
time: oldParam[ i - 1 ].time,
length: oldParam[ i ].time - oldParam[ i - 1 ].time,
params: {
amp: oldParam[ i ].mods[ 2 ].amp,
recursion: oldParam[ i ].mods[ 2 ].recursion,
freq: oldParam[ i ].mods[ 2 ].freq,
reso: oldParam[ i ].mods[ 2 ].reso,
seed: oldParam[ i ].mods[ 2 ].seed
}
} );
}
if ( oldParam[ i ].mods[ 3 ] ) {
newParam.fxs.push( {
name: 'Lo-Fi',
bypass: false,
row: 3,
time: oldParam[ i - 1 ].time,
length: oldParam[ i ].time - oldParam[ i - 1 ].time,
params: {
resolution: oldParam[ i ].mods[ 3 ].freq,
relative: true
}
} );
}
}
newData.params[ name ] = newParam;
}
newData.guiSettings = {
snapActive: false,
snapTime: 0.1,
snapValue: 0.1
};
return newData;
}