Project B Survey of music technology Georgia Institute of Technology

Project B Survey of music technology Georgia Institute of Technology

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#		script_name: Project B                    #
#                                                         #
#		author: Jaime Bescansa                    # 
#                                                         #  
#		description: Jaime Bescansa's Project B   #  
#                                                         #  
###########################################################

#General Imports

from earsketch import * 
from random import *

#Global variables

global index
index = 0

#Functions...

def getRandElem(elemList):
	"""
	It returns an random integer taking into account 
	the length of a given list.
	"""
	return randint(0, len(elemList) - 1)

def getElement(elementList):
	"""
	It returns a randomed string beat 
	with random sound files for each beat.
	"""
	a = getRandElem(elementList)
	b = getRandElem(elementList) 
	c = getRandElem(elementList)
	d = getRandElem(elementList)
	e = getRandElem(elementList)
	out =["++++++++%d+++++++" % a,
		  "++++++++%d++++%d++" % (a, b),
		  "++%d+++++%d++++%d++" % (a, b, c), 
		  "++%d++%d++%d++++%d++" % (a, b, c, d), 
		  "++%d++%d++%d++%d+%d++" % (a, b, c, d, e)]
	return out[randint(0, 4)]

def getSingleElement(elementList):
	"""
	It returns a single string beat with random sounds.
	False if the elementList is None
	"""
	myChoosen = getRandElem(elementList)
	if not elementList[myChoosen]:
		return None
	out = "%d+++++++++++++++" % myChoosen
	return out

def getHatElement(elementList):
	a = getRandElem(elementList)
	b = getRandElem(elementList) 
	c = getRandElem(elementList)
	d = getRandElem(elementList)
	e = getRandElem(elementList)
	f = getRandElem(elementList)
	g = getRandElem(elementList)
	out = ["%d+%d+%d++%d++%d+++%d%d" % (a, b, c, d, e, f, g),
		   "%d+%d%d+++%d+%d+++%d+%d" % (a, b, c, d, e, f, g),
		   "%d+%d++%d+%d+%d++%d++%d" % (a, b, c, d, e, f, g)]
	return out[randint(0, 2)]

#Initializing song...

init() 
setTempo(125) 

#Constants...

baseGrid = Y15_BEAT_1
myKick = Y15_PERCUSSION_1
myBase = Y58_BASS_1
mySingleCrash = Y15_SNARE_1

#Changes the duration of the song...
duration = 65

#Variables...

hats = [OS_CLOSEDHAT01, OS_CLOSEDHAT02, OS_CLOSEDHAT04, OS_CLOSEDHAT05, OS_CLOSEDHAT06]
snares = [OS_SNARE01, OS_SNARE02, OS_SNARE03, OS_SNARE04, OS_SNARE05, OS_SNARE06]
crashes = [Y15_SNARE_1, Y06_HI_HATS, Y03_CRASH_1, Y02_CRASH_1]
melodies = [TECHNO_CLUBRICH_PAD_001, TECHNO_CLUBRICH_PAD_002, TECHNO_CLUBRICH_PAD_003, 
			TECHNO_CLUBRICH_PAD_004, None]

#Creating Tracks...

#Track 01 fitMedia for BaseGrid...
fitMedia(baseGrid, 1, 1, duration - 0.5)

#Track 02 plain makeBeat for myKick sound...
for i in range (8, duration - 1):
	makeBeat(myKick, 2, i, "0+++++++0+0+++++")
	
#Track 03 plain makeBeat for Base sound...
for i in range (5, duration - 10):
	makeBeat(myBase, 3, i, "0++++++++++++++0")

#Track 04 crash Sounds avoiding elements from a list ...
myAvoidBeats = [8, 16, 24, 32, 48, 54, 66, 72, 78, 84]
for i in range (14, duration, 2):
	if not i in myAvoidBeats:
		makeBeat(mySingleCrash, 4, i, "++++0+++++++++++")

#Track 05 hithat Sounds randomed using the function getHatElement...	
for i in range(12, duration - 5):
	myHitHat = getHatElement(hats)
	makeBeat(hats, 5, i, myHitHat)
	
#Track 06 snare randomed sounds using the function getElement...
for i in range(18, duration - 2):
	mySnare = getElement(snares)
	makeBeat(snares, 6, i, mySnare)

#Track 7 randomed melodies placed at the beginning of the beat...
for i in range(25, duration - 20):
	myMelodies = getSingleElement(melodies)
	if myMelodies:
		makeBeat(melodies, 7, i, myMelodies)

#Track 8 fitMedia with effect around the melody time range...
fitMedia(baseGrid, 8, 25, duration - 12)
#Set Flanger effect during this time range...
for i in range(25, duration - 12):
	setEffect(8, FLANGER, FLANGER_FEEDBACK, float(randint(-8, -1)), i)	


#Finnishing song...

finish()