def main():
stddraw.setCanvasSize(1024, 256)
stddraw.setXscale(0, _SAMPLES_PER_REDRAW)
stddraw.setYscale(-.75, +.75)
stddraw.show(0)
# Create keyboardDict, a dictionary relating each keyboard key
# to a guitar string.
keyboardDict = {}
i = 0
for key in _KEYBOARD:
factor = 2 ** ((i-24) / 12.0)
guitarString = guitarstring.GuitarString(_CONCERT_A * factor)
keyboardDict[key] = guitarString
i += 1
# pluckedGuitarStrings is the set of all guitar strings that have
# been plucked.
pluckedGuitarStrings = set()
#stddraw.show(0)
t = 0
# The main input loop.
while True:
if stddraw.hasNextKeyTyped():
# Fetch the key that the user just typed.
key = stddraw.nextKeyTyped()
# Figure out which guitar string to pluck, and pluck it.
try:
guitarString = keyboardDict[key]
guitarString.pluck()
pluckedGuitarStrings.add(guitarString)
except KeyError:
pass
# Add up the samples from each plucked guitar string. Also
# advance the simulation of each plucked guitar string by
# one step.
sample = 0.0
for guitarString in pluckedGuitarStrings:
sample += guitarString.sample()
guitarString.tic()
# Play the total.
stdaudio.playSample(sample)
# Plot
stddraw.point(t % _SAMPLES_PER_REDRAW, sample);
if (t % _SAMPLES_PER_REDRAW) == (_SAMPLES_PER_REDRAW - 1):
stddraw.show(0);
stddraw.clear();
t += 1
def main():
stddraw.setCanvasSize(1024, 256)
stddraw.setXscale(0, _SAMPLES_PER_REDRAW)
stddraw.setYscale(-.75, +.75)
stddraw.show(0)
# Create keyboardDict, a dictionary relating each keyboard key
# to a guitar string.
keyboardDict = {}
i = 0
for key in _KEYBOARD:
factor = 2**((i - 24) / 12.0)
guitarString = guitarstring.GuitarString(_CONCERT_A * factor)
keyboardDict[key] = guitarString
i += 1
# pluckedGuitarStrings is the set of all guitar strings that have
# been plucked.
pluckedGuitarStrings = set()
#stddraw.show(0)
t = 0
# The main input loop.
while True:
if stddraw.hasNextKeyTyped():
# Fetch the key that the user just typed.
key = stddraw.nextKeyTyped()
# Figure out which guitar string to pluck, and pluck it.
try:
guitarString = keyboardDict[key]
guitarString.pluck()
pluckedGuitarStrings.add(guitarString)
except KeyError:
pass
# Add up the samples from each plucked guitar string. Also
# advance the simulation of each plucked guitar string by
# one step.
sample = 0.0
for guitarString in pluckedGuitarStrings:
sample += guitarString.sample()
guitarString.tic()
# Play the total.
stdaudio.playSample(sample)
# Plot
stddraw.point(t % _SAMPLES_PER_REDRAW, sample)
if (t % _SAMPLES_PER_REDRAW) == (_SAMPLES_PER_REDRAW - 1):
stddraw.show(0)
stddraw.clear()
t += 1
def main(argv):
t = int(argv[1])
dist = stdarray.readFloat1D()
cx = stdarray.readFloat2D()
cy = stdarray.readFloat2D()
x = 0.0
y = 0.0
#stddraw.createWindow()
for t1 in range(t):
r = stdrandom.discrete(dist)
x0 = cx[r][0] * x + cx[r][1] * y + cx[r][2]
y0 = cy[r][0] * x + cy[r][1] * y + cy[r][2]
x = x0
y = y0
stddraw.setPenRadius(0.001)
stddraw.point(x, y)
stddraw.show()
stddraw.wait()
def main(argv):
t = int(argv[1])
dist = stdarray.readFloat1D()
cx = stdarray.readFloat2D()
cy = stdarray.readFloat2D()
x = 0.0
y = 0.0
#stddraw.createWindow()
for t1 in range(t):
r = stdrandom.discrete(dist)
x0 = cx[r][0]*x + cx[r][1]*y + cx[r][2]
y0 = cy[r][0]*x + cy[r][1]*y + cy[r][2]
x = x0
y = y0
stddraw.setPenRadius(0.001)
stddraw.point(x, y)
stddraw.show()
stddraw.wait()