0f17775f3f
- Add 4 genres: Hip Hop, Classical, Trap, Pop with unique patterns - Add new instrument layers: Bass, Brass, Piano - Each layer now has 4 instrument variations to choose from - Add genre-specific drum patterns, chord progressions, and melodies - Add duration control (1-10 minutes) - Rename app to "Beat Generator" with modern gradient header - Redesign UI with 2-column instrument grid layout - Add color-coded accent for each instrument section Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
239 lines
11 KiB
TypeScript
239 lines
11 KiB
TypeScript
import { DrumPattern, ChordProgression, Genre } from '@/types/audio';
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// Genre-specific drum patterns
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export const drumPatterns: Record<Genre, DrumPattern[]> = {
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hiphop: [
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{
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kick: [true, false, false, false, false, false, false, false, true, false, true, false, false, false, false, false],
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snare: [false, false, false, false, true, false, false, false, false, false, false, false, true, false, false, false],
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hihat: [true, false, true, false, true, false, true, false, true, false, true, false, true, false, true, false],
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openhat: [false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, true],
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},
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{
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kick: [true, false, false, false, false, false, true, false, true, false, false, false, false, false, false, false],
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snare: [false, false, false, false, true, false, false, false, false, false, false, false, true, false, false, true],
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hihat: [true, true, true, false, true, true, true, false, true, true, true, false, true, true, true, false],
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openhat: [false, false, false, true, false, false, false, true, false, false, false, true, false, false, false, false],
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},
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],
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classical: [
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{
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kick: [true, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false],
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snare: [false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false],
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hihat: [false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false],
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openhat: [false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false],
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},
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{
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kick: [true, false, false, false, true, false, false, false, true, false, false, false, true, false, false, false],
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snare: [false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false],
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hihat: [true, false, true, false, true, false, true, false, true, false, true, false, true, false, true, false],
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openhat: [false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false],
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},
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],
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trap: [
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{
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kick: [true, false, false, false, false, false, true, false, false, false, true, false, false, false, false, false],
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snare: [false, false, false, false, true, false, false, false, false, false, false, false, true, false, false, false],
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hihat: [true, true, true, true, true, true, true, true, true, true, true, true, true, true, true, true],
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openhat: [false, false, false, false, false, false, false, false, false, false, false, false, false, false, true, false],
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},
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{
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kick: [true, false, false, true, false, false, true, false, false, false, true, false, false, true, false, false],
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snare: [false, false, false, false, true, false, false, false, false, false, false, false, true, false, false, true],
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hihat: [true, true, true, true, true, true, true, true, true, true, true, true, true, true, true, true],
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openhat: [false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, true],
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},
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],
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pop: [
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{
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kick: [true, false, false, false, true, false, false, false, true, false, false, false, true, false, false, false],
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snare: [false, false, false, false, true, false, false, false, false, false, false, false, true, false, false, false],
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hihat: [true, false, true, false, true, false, true, false, true, false, true, false, true, false, true, false],
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openhat: [false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, true],
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},
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{
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kick: [true, false, false, false, false, false, true, false, true, false, false, false, false, false, true, false],
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snare: [false, false, false, false, true, false, false, false, false, false, false, false, true, false, false, false],
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hihat: [true, true, true, true, true, true, true, true, true, true, true, true, true, true, true, true],
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openhat: [false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, false],
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},
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],
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};
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// Genre-specific chord progressions
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export const chordProgressions: Record<Genre, ChordProgression[]> = {
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hiphop: [
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{
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name: 'Classic ii-V-I',
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chords: [
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['D3', 'F3', 'A3', 'C4'],
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['G2', 'B2', 'D3', 'F3'],
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['C3', 'E3', 'G3', 'B3'],
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['C3', 'E3', 'G3', 'B3'],
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],
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durations: ['2n', '2n', '2n', '2n'],
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},
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{
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name: 'Minor Key Chill',
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chords: [
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['A2', 'C3', 'E3', 'G3'],
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['D3', 'F3', 'A3', 'C4'],
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['E2', 'G#2', 'B2', 'D3'],
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['A2', 'C3', 'E3', 'G3'],
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],
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durations: ['2n', '2n', '2n', '2n'],
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},
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],
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classical: [
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{
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name: 'Romantic',
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chords: [
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['C3', 'E3', 'G3'],
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['F3', 'A3', 'C4'],
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['G3', 'B3', 'D4'],
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['C3', 'E3', 'G3'],
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],
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durations: ['1n', '1n', '1n', '1n'],
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},
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{
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name: 'Baroque',
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chords: [
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['D3', 'F3', 'A3'],
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['G2', 'B2', 'D3'],
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['C3', 'E3', 'G3'],
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['A2', 'C3', 'E3'],
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],
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durations: ['1n', '1n', '1n', '1n'],
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},
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],
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trap: [
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{
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name: 'Dark Minor',
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chords: [
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['A2', 'C3', 'E3'],
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['F2', 'A2', 'C3'],
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['G2', 'B2', 'D3'],
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['E2', 'G#2', 'B2'],
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],
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durations: ['2n', '2n', '2n', '2n'],
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},
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{
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name: 'Eerie',
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chords: [
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['D3', 'F3', 'A3'],
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['Bb2', 'D3', 'F3'],
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['A2', 'C3', 'E3'],
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['G2', 'Bb2', 'D3'],
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],
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durations: ['2n', '2n', '2n', '2n'],
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},
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],
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pop: [
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{
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name: 'Four Chord Pop',
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chords: [
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['C3', 'E3', 'G3'],
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['G2', 'B2', 'D3'],
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['A2', 'C3', 'E3'],
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['F2', 'A2', 'C3'],
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],
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durations: ['1n', '1n', '1n', '1n'],
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},
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{
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name: 'Uplifting',
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chords: [
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['D3', 'F#3', 'A3'],
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['A2', 'C#3', 'E3'],
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['B2', 'D3', 'F#3'],
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['G2', 'B2', 'D3'],
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],
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durations: ['1n', '1n', '1n', '1n'],
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},
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],
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};
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// Bass patterns by genre
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export const bassPatterns: Record<Genre, string[][]> = {
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hiphop: [
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['C2', null, null, null, 'C2', null, 'G1', null, 'C2', null, null, null, 'E2', null, null, null],
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['A1', null, null, 'A1', null, null, 'G1', null, 'A1', null, null, null, 'E1', null, 'G1', null],
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],
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classical: [
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['C2', null, null, null, 'G2', null, null, null, 'C2', null, null, null, 'G2', null, null, null],
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['D2', null, null, null, 'A2', null, null, null, 'D2', null, null, null, 'A2', null, null, null],
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],
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trap: [
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['C1', null, null, 'C1', null, null, 'C1', null, null, null, 'G1', null, null, 'C1', null, null],
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['A0', null, null, 'A0', null, 'A0', null, null, 'A0', null, null, null, 'E1', null, 'A0', null],
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],
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pop: [
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['C2', null, 'C2', null, 'G2', null, 'G2', null, 'A2', null, 'A2', null, 'F2', null, 'F2', null],
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['D2', null, null, 'D2', 'A2', null, null, null, 'B2', null, null, 'B2', 'G2', null, null, null],
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],
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};
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// Brass melody patterns by genre
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export const brassPatterns: Record<Genre, string[][]> = {
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hiphop: [
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['C4', null, null, null, 'E4', null, null, null, 'G4', null, null, null, 'E4', null, null, null],
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[null, null, 'D4', null, null, null, 'F4', null, null, null, 'A4', null, null, null, 'G4', null],
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],
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classical: [
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['G4', null, null, null, null, null, null, null, 'E4', null, null, null, null, null, null, null],
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['C4', null, null, null, 'D4', null, null, null, 'E4', null, null, null, 'G4', null, null, null],
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],
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trap: [
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['A3', null, null, null, null, null, null, null, 'C4', null, null, null, null, null, null, null],
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[null, null, null, null, 'E4', null, null, null, null, null, null, null, 'D4', null, null, null],
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],
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pop: [
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['E4', null, null, null, 'G4', null, null, null, 'A4', null, null, null, 'G4', null, null, null],
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['C4', null, 'D4', null, 'E4', null, 'G4', null, 'A4', null, 'G4', null, 'E4', null, 'D4', null],
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],
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};
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// Piano patterns by genre
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export const pianoPatterns: Record<Genre, string[][][]> = {
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hiphop: [
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[['C4', 'E4', 'G4'], null, null, null, ['D4', 'F4', 'A4'], null, null, null, ['E4', 'G4', 'B4'], null, null, null, ['D4', 'F4', 'A4'], null, null, null],
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[['A3', 'C4', 'E4'], null, ['A3', 'C4', 'E4'], null, null, null, ['G3', 'B3', 'D4'], null, ['G3', 'B3', 'D4'], null, null, null, ['F3', 'A3', 'C4'], null, null, null],
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],
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classical: [
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[['C4', 'E4', 'G4'], ['E4'], ['G4'], ['C5'], ['G4'], ['E4'], ['C4', 'E4', 'G4'], null, ['D4', 'F4', 'A4'], ['F4'], ['A4'], ['D5'], ['A4'], ['F4'], ['D4', 'F4', 'A4'], null],
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[['A3', 'C4', 'E4'], null, ['C4', 'E4'], null, ['A3', 'C4', 'E4'], null, ['C4', 'E4'], null, ['G3', 'B3', 'D4'], null, ['B3', 'D4'], null, ['G3', 'B3', 'D4'], null, null, null],
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],
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trap: [
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[['A3', 'C4', 'E4'], null, null, null, null, null, null, null, ['G3', 'Bb3', 'D4'], null, null, null, null, null, null, null],
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[['D4', 'F4', 'A4'], null, null, null, null, null, ['C4', 'E4', 'G4'], null, null, null, null, null, null, null, ['Bb3', 'D4', 'F4'], null],
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],
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pop: [
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[['C4', 'E4', 'G4'], null, ['C4', 'E4', 'G4'], null, ['G3', 'B3', 'D4'], null, ['G3', 'B3', 'D4'], null, ['A3', 'C4', 'E4'], null, ['A3', 'C4', 'E4'], null, ['F3', 'A3', 'C4'], null, ['F3', 'A3', 'C4'], null],
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[['D4', 'F#4', 'A4'], null, null, ['D4', 'F#4', 'A4'], ['A3', 'C#4', 'E4'], null, null, ['A3', 'C#4', 'E4'], ['B3', 'D4', 'F#4'], null, null, ['B3', 'D4', 'F#4'], ['G3', 'B3', 'D4'], null, null, null],
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],
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};
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export function getRandomPattern(genre: Genre): DrumPattern {
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const patterns = drumPatterns[genre];
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return patterns[Math.floor(Math.random() * patterns.length)];
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}
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export function getRandomProgression(genre: Genre): ChordProgression {
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const progressions = chordProgressions[genre];
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return progressions[Math.floor(Math.random() * progressions.length)];
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}
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export function getRandomBassPattern(genre: Genre): (string | null)[] {
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const patterns = bassPatterns[genre];
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return patterns[Math.floor(Math.random() * patterns.length)];
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}
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export function getRandomBrassPattern(genre: Genre): (string | null)[] {
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const patterns = brassPatterns[genre];
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return patterns[Math.floor(Math.random() * patterns.length)];
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}
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export function getRandomPianoPattern(genre: Genre): (string[] | null)[] {
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const patterns = pianoPatterns[genre];
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return patterns[Math.floor(Math.random() * patterns.length)];
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}
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