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Adding time warping capabilities

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This commit is contained in:
Raphaël Forment
2023-09-01 13:02:02 +02:00
parent f82f2735fa
commit f931ea45e6
4 changed files with 91 additions and 18 deletions
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43
src/API.ts
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@ -148,6 +148,28 @@ export class UserAPI {
silence = this.stop;
hush = this.stop;
// =============================================================
// Time warp functions
// =============================================================
public warp = (n: number): void => {
/**
* Time-warp the clock by using the tick you wish to jump to.
*/
this.app.clock.tick = n;
this.app.clock.time_position = this.app.clock.convertTicksToTimeposition(n);
};
public beat_warp = (beat: number): void => {
/**
* Time-warp the clock by using the tick you wish to jump to.
*/
this.app.clock.tick = beat * this.app.clock.ppqn;
this.app.clock.time_position = this.app.clock.convertTicksToTimeposition(
beat * this.app.clock.ppqn
);
};
// =============================================================
// Mouse functions
// =============================================================
@ -905,7 +927,7 @@ export class UserAPI {
/**
* Returns the current number of pulses elapsed since origin of time
*/
return this.app.clock.pulses_since_origin + 1;
return this.app.clock.pulses_since_origin + 1;
};
nominator = (): number => {
@ -913,7 +935,7 @@ export class UserAPI {
* Returns the current nominator of the time signature
*/
return this.app.clock.time_signature[0];
}
};
meter = (): number => {
/**
@ -930,20 +952,25 @@ export class UserAPI {
public mod = (...n: number[]): boolean => {
const results: boolean[] = n.map(
(value) => this.app.clock.pulses_since_origin % Math.floor(value * this.ppqn()) === 0
(value) =>
this.app.clock.pulses_since_origin % Math.floor(value * this.ppqn()) ===
0
);
return results.some((value) => value === true);
};
public modpulse = (...n: number[]): boolean => {
const results: boolean[] = n.map((value) => this.app.clock.pulses_since_origin % value === 0);
const results: boolean[] = n.map(
(value) => this.app.clock.pulses_since_origin % value === 0
);
return results.some((value) => value === true);
};
modp = this.modpulse;
public modbar = (...n: number[]): boolean => {
const results: boolean[] = n.map(
(value) => this.app.clock.time_position.bar % Math.floor(value * this.ppqn()) === 0
(value) =>
this.app.clock.time_position.bar % Math.floor(value * this.ppqn()) === 0
);
return results.some((value) => value === true);
};
@ -995,7 +1022,7 @@ export class UserAPI {
return final_pulses.some((p) => p == true);
};
oncount = (beats: number[]|number, count: number): boolean => {
oncount = (beats: number[] | number, count: number): boolean => {
/**
* Returns true if the current beat is in the given list of beats.
*
@ -1005,11 +1032,11 @@ export class UserAPI {
* @param beat - The beats to check
* @returns True if the current beat is in the given list of beats
*/
if(typeof beats === "number") beats = [beats];
if (typeof beats === "number") beats = [beats];
const origin = this.app.clock.pulses_since_origin;
let final_pulses: boolean[] = [];
beats.forEach((b) => {
b = b<1 ? 0 : b-1;
b = b < 1 ? 0 : b - 1;
const beatInTicks = Math.ceil(b * this.ppqn());
const meterPosition = origin % (this.ppqn() * count);
return final_pulses.push(meterPosition === beatInTicks);