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Merge pull request #178 from CrashServer/patch-1
PArp Arpeggio Pattern
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| from ..Patterns import P, Pattern | ||
| from ... import Scale | ||
|
|
||
| def PArp(seq, index=0): | ||
| ### Return an arpeggio Pattern | ||
| ### from a dictionnary inspired by the BlueARP VST | ||
| ### e.g. PArp([k1, k2, k3, k4], index) | ||
| ### PArp([0,1,2], 9) -> P[-7,7,0,1, -7,7,0,2] | ||
| arp = [] | ||
| oc = len(Scale.default) ### get Default Scale octave length | ||
| k1 = k2 = k3 = k4 = P[seq[0]] ### for different sequence lenght | ||
| if len(seq) > 1: | ||
| k2 = P[seq[1]] | ||
| if len(seq) > 2: | ||
| k3 = P[seq[2]] | ||
| if len(seq) > 3: | ||
| k4 = P[seq[3]] | ||
| ### Dict with {index: [[note_index], [nbr of octave]]} | ||
| arpdict = { | ||
| # Standard Arp 3K | ||
| 0 : [[k1,k2,k3,k1, k2,k3,k1,k2, k3,k1,k2,k3, k1,k2,k3,k2], [0]], | ||
| 1 : [[k3,k2,k1,k3, k2,k1,k3,k2, k1,k3,k2,k1, k3,k2,k1,k2], [0]], | ||
| 2 : [[k1,k2,k3,k2, k1,k2,k3,k2, k1,k2,k3,k2, k1,k3,k1,k2], [0]], | ||
| 3 : [[k3,k2,k1,k2, k3,k2,k1,k2, k3,k2,k1,k2, k3,k2,k3,k1], [0]], | ||
| 4 : [[k2,k3,k1,k3, k2,k3,k1,k3], [0,-1,0,-1, 0,-1,0,-1]], | ||
| 5 : [[k1,k3,k2,k1, k1,k1,k2,k3], [-1,0,0,-1, 0,-1,0,0]], | ||
| 6 : [[k1,k1,k3,k1, k1,k2,k1,k3], [-1,-5,0,-1, 0,0,-1,0]], | ||
| 7 : [[k3,k1,k2,k1, k3,k1,k2,k1], [0]], | ||
| 8 : [[k3,k2,k1,k3, k2,k1,k3,k2], [0]], | ||
| 9 : [[k1,k1,k1,k2, k1,k1,k1,k3], [-1,1,0,0, -1,1,0,0]], | ||
| # More complex Arp 3K | ||
| 10 : [[k3,k2,k1,k3, k2,k1,k3,k2, k1,k3,k1,k3, k2,k1,k3,k2], [-1,0,0,-1, 0,0,-1,0, 0,-1,0,-1, 0,0,-1,0]], | ||
| 11 : [[k2,k1,k1,k3, k1,k1,k3,k1, k2,k1,k1,k3, k1,k1,k3,k1], [0,-1,0,0, -1,0,0,0]], | ||
| 12 : [[k2,k1,k1,k3, k1,k1,k3,k1, k2,k1,k1,k3, k1,k1,k3,k1], [0,-2,-1,0, -2,-1,0,-1, 0,-2,-1,0, -1,-2,0,-1]], | ||
| 13 : [[k1,k1,k1,k1, k1,k1,k1,k1, k2,k2,k1,k1, k1,k1,k1,k1], [0,0,-1,-5, -1,-5,0,0, 0,0,-1,-5, 0,0,-1,0]], | ||
| 14 : [[k1,k1,k2,k1, k1,k2,k1,k1, k2,k1,k1,k2, k1,k1,k2,k1], [-2,-1,0,-2, -1,0,-2,-1, 0,-2,-1,0, -2,-1,0,-1]], | ||
| 15 : [[k1,k1,k2,k3, k1,k1,k2,k3], [-1,0,0,0]], | ||
| 16 : [[k3,k1,k2,k1, k2,k1,k1,k3, k1,k1,k2,k1, k2,k1,k1,k1], [0,-2,0,-2, 0,-2,-1,0, -2,-1,0,-2, 0,-2,-1,-2]], | ||
| 17 : [[k3,k1,k2,k1, k1,k2,k1,k3, k1,k2,k1,k1, k2,k2,k1,k2], [0,-1,0,-2, -1,0,-2,0, -1,0,-2,-1, 0,0,-2,0]], | ||
| # 2K Arp Scale | ||
| 20 : [[k1,k2+2,k2+3,k1, k2+5,k2+4,k1,k2, k2+2,k1,k2,k2+2, k1,k2+1,k1,k2], [-1,0,0,-1, 0,0,-1,0, 0,-1,0,0, -1,0,-1,0]], | ||
| 21 : [[k1,k1,k2+5,k1, k2+5,k1,k1,k2+4, k1,k1,k2+5,k1, k2+7,k1,k1,k2+4], [0,-1,0,-1, 0,0,-1,0, -1,0,0,-1, 0,-1,0,0]], | ||
| 22 : [[k1,k1,k2+5,k1, k2+5,k1,k1,k2+4, k1,k1,k2+5,k1, k2+7,k1,k1,k2+4], [-1,-1,0,-1, 0,-1,-1,0 ,-1,-1,0,-1, 0,-1,-1,0]], | ||
| 23 : [[k1,k1,k2+2,k1, k2+6,k1,k2+5,k1, k1,k2,k1,k1, k2+5,k1,k1,k2], [-1,0,0,-1, 0,-1,0,0, -1,0,-1,0, 0,-1,0,0]], | ||
| # 3k Compldex Arp 32 steps | ||
| 30 : [[k1,k1,k2,k1, k3,k1,k1,k1, k2,k1,k3,k1, k1,k1,k2,k1, k3,k1,k1,k1, k2,k1,k3,k1, k1,k1,k2,k1, k3,k1,k3,k2], [0,-1,0,-1, 0,-1,0,-1, 0,-1,0,-1, 0,-1,0,-1, 0,-1,0,-1, 0,-1,0,-1, 0,-1,0,-1, 0,-1,0,0]], | ||
| # 4K Arp | ||
| 40 : [[k1,k2,k3,k4, k2,k3,k4,k1, k3,k4,k1,k2, k4,k1,k2,k3], [0,0,0,0, 0,0,0,1, 0,0,1,1, 0,1,1,1]], | ||
| 41 : [[k4,k3,k2,k1, k3,k2,k1,k4, k2,k1,k4,k3, k1,k4,k3,k2], [1,1,1,1, 1,1,1,0, 1,1,0,0, 1,0,0,0]], | ||
| 42 : [[k1,k2,k3,k1, k3,k2,k3,k4, k1,k4,k3,k1, k1,k2,k1,k3], [-1,0,0,-1, 0,0,0,0, -1,0,0,-1, 0,0,-1,0]], | ||
| 43 : [[k1,k2,k3,k4, k2,k3,k4,k1, k3,k4,k1,k2, k4,k1,k2,k3, k3,k2,k1,k4, k2,k1,k4,k3, k1,k4,k3,k2, k4,k3,k2,k1], [0,0,0,0, 0,0,0,1, 0,0,1,1, 0,1,1,1, 1,1,1,0, 1,1,0,0, 1,0,0,0, 0,0,0,0]], | ||
| 44 : [[k1,k2,k1,k4, k2,(k2,k1),k3,k1, (k1,k1),k2,k1,(k1,k1), k2,k1,k3,k1], [-1,0,-1,-1, 0,(-1,-5),-1,-1, (-1,-5),0,-1,(-1,-5), 0,-1,0,-1]], | ||
| # Simple Arp | ||
| 50 : [[k1,k2,k1,k1, k2,k1,k1,k1], [0,0,1,0, 0,1,0,1]], | ||
| 51 : [[k1,k2,k3,k2+4, k1,k2+4, k3,k2], [0,0,0,0, 1,0,0,0]], | ||
| 52 : [[k1,k2,(k1,k2,k3),k2], [0]], | ||
| 53 : [[k1,k2,k1,k3, k1,k2,k1,k1], [0,0,0,0, 0,0,0,1]], | ||
| 54 : [[k1,k2,k3,k1, k2,k1,k3,k1], [0,0,0,1, 0,0,0,1]], | ||
| } | ||
| if (index in arpdict): | ||
| arp = P[arpdict[index][0]] + P[arpdict[index][1]] * oc | ||
| else: | ||
| arp = seq | ||
| return Pattern(arp) |