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
#-----------------------------------------------------------------------
# bouncingball.py
#-----------------------------------------------------------------------
import time
import stddrawtkinter as stddraw
#import stddraw
# Draw a bouncing ball.
#stddraw.createWindow()
stddraw.setXscale(-1.0, 1.0)
stddraw.setYscale(-1.0, 1.0)
rx = .480
ry = .860
vx = .015
vy = .023
radius = .05
dt = 20
start = time.time()
t = 0
while t < 10000:
# Update ball position and draw it there.
if abs(rx + vx) + radius > 1.0:
vx = -vx
if abs(ry + vy) + radius > 1.0:
vy = -vy
rx = rx + vx
ry = ry + vy
#stddraw.clear()
#-----------------------------------------------------------------------
# bouncingball.py
#-----------------------------------------------------------------------
import time
import stddrawtkinter as stddraw
#import stddraw
# Draw a bouncing ball.
#stddraw.createWindow()
stddraw.setXscale(-1.0, 1.0)
stddraw.setYscale(-1.0, 1.0)
rx = .480
ry = .860
vx = .015
vy = .023
radius = .05
dt = 20
start = time.time()
t = 0
while t < 10000:
# Update ball position and draw it there.
if abs(rx + vx) + radius > 1.0:
vx = -vx
if abs(ry + vy) + radius > 1.0:
vy = -vy
rx = rx + vx
ry = ry + vy
#stddraw.clear()
