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piano-blochs.py
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piano-blochs.py
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# -*- coding: utf-8 -*-
"""
Created on Fri Oct 11 23:37:39 2019
@author: aquohn
"""
import pygame
from pygame.locals import *
from qiskit import *
from qiskit.tools.visualization import plot_bloch_multivector
from qiskit.quantum_info.states import Statevector
from mpl_toolkits.mplot3d import Axes3D
import matplotlib.pyplot as plt
import numpy as np
from matplotlib.patches import FancyArrowPatch
from mpl_toolkits.mplot3d import proj3d
from numpy import pi
TURN_FRAMES = 4
B_FIELD = 0.01
EASY = 10
BPM = 119
B_FIELD = 0.03
SCREEN_WIDTH=1000
SCREEN_HEIGHT=1000
AXIS_SCALE = 1.8
X_COLOR = "green"
Y_COLOR = "orange"
Z_COLOR = "blue"
measured = 0
TAPZONE = [[1,0,0],[0,1,0],[0,0,1],[-1,0,0],[0,-1,0],[0,0,-1]]
#x, y, z = 0, 0, 0
lock = False
class Arrow3D(FancyArrowPatch):
def __init__(self, xs, ys, zs, *args, **kwargs):
FancyArrowPatch.__init__(self, (0, 0), (0, 0), *args, **kwargs)
self._verts3d = xs, ys, zs
def draw(self, renderer):
xs3d, ys3d, zs3d = self._verts3d
xs, ys, zs = proj3d.proj_transform(xs3d, ys3d, zs3d, renderer.M)
self.set_positions((xs[0], ys[0]), (xs[1], ys[1]))
FancyArrowPatch.draw(self, renderer)
pygame.init()
myname = input("What is your name? ")
sv_arr = np.array([1,0])
z1 = [0,1]
circuit = QuantumCircuit(1,1) #1 qubit and 1 classical bit
simulator = Aer.get_backend('statevector_simulator')
screen = pygame.display.set_mode((SCREEN_HEIGHT,SCREEN_WIDTH))
running = True
clock = pygame.time.Clock()
time_delay = 3000 #milliseconds
time_delay_out = 1000
time0 = int(pygame.time.get_ticks())
#Song stuff:
note_time_arr = np.floor(((np.array(range(70)) + 1) * EASY/BPM * 60 + 2) * 1000)
note_cnt = 0
# Generate note distribution for each note
point_idxs = np.random.randint(0,6,len(note_time_arr))
combo=0
combotext=str()
score = 0
# Getting the wav
song = pygame.mixer.Sound("kalimba.wav") #use wav is best apparently
pygame.mixer.music.load('kalimba.wav')
MAXSCORE = 1000000
SCORE_PER_NOTE = MAXSCORE/len(note_time_arr)
# Rotation stuff
xcnt = 0
ycnt = 0
zcnt = 0
x_ax_x = y_ax_y = z_ax_z = AXIS_SCALE
x_ax_y = x_ax_z = y_ax_x = y_ax_z = z_ax_x = z_ax_y = 0
rot = 0.5
rotfactor = 1
theta = pi / (2 * TURN_FRAMES)
# 3D rotation matrices
rotX = np.array([[1, 0, 0],
[0, np.cos(theta), np.sin(theta)],
[0, -np.sin(theta), np.cos(theta)]])
rotY = np.array([[np.cos(theta), 0, -np.sin(theta)],
[0, 1, 0],
[np.sin(theta), 0, np.cos(theta)]])
rotZ = np.array([[np.cos(theta), np.sin(theta), 0],
[-np.sin(theta), np.cos(theta), 0],
[0, 0, 1]])
# Start screen
black=(0,0,0)
end_it=False
while (end_it==False):
screen.fill(black)
myfont=pygame.font.SysFont("Britannic Bold", 40)
nlabel=myfont.render("Welcome "+myname+" Start Screen", 1, (255, 0, 0))
for event in pygame.event.get():
if event.type==MOUSEBUTTONDOWN:
end_it=True
screen.blit(nlabel,(150,200))
pygame.display.flip()
# Start game itself
time0 = int(pygame.time.get_ticks())
pygame.mixer.music.play(0) #i think 0 = play 1 time, 1 is for 2 times, -1 is for infinite
persistence = 1
john=0
#screen = pygame.display.set_mode((SCREEN_HEIGHT,SCREEN_WIDTH))
while running:
if persistence == 1:
screen.fill((0, 0, 0))
time = int(pygame.time.get_ticks())-time0
# Initialization
circuit = QuantumCircuit(1,1) #1 qubit and 1 classical bit
sv_arr = np.array([sv_arr[0]+B_FIELD, sv_arr[1]])
sv_arr = sv_arr/((abs(sv_arr[0]))**2+(abs(sv_arr[1]))**2)**0.5
circuit.initialize(sv_arr, 0)
circuit.u3(0,0,rot*rotfactor,0)
for event in pygame.event.get():
if event.type == KEYDOWN:
if not lock:
lock = True
if event.key == K_a:
xcnt += TURN_FRAMES
elif event.key == K_s:
ycnt += TURN_FRAMES
elif event.key == K_d:
zcnt += TURN_FRAMES
else:
lock = False
if event.key == K_ESCAPE:
running = False
elif event.key == K_f:
persistence = 0
elif event.key == K_RETURN:
circuit.measure([0],[0])
backend = Aer.get_backend('qasm_simulator')
result = execute(circuit,backend=backend,shots = 1).result()
counts = result.get_counts()
for key in counts:
if int(key) == 0:
sv_arr[0] = 1
sv_arr[1] = 0
else:
sv_arr[0] = 0
sv_arr[1] = 1
measured = 1
elif event.type == QUIT:
running = False
#print("Note " + str(note_cnt) + ", z has value " + str(z))
#valid_hit = (np.real(sv_arr[0]) == 0 and point_idxs[note_cnt] == -3) or (np.real(sv_arr[0]) == 1 and point_idxs[note_cnt] == 2)
valid_hit = (np.real(sv_arr[0]) == 0 and john < -0.8) or (np.real(sv_arr[0]) == 1 and john > 0.8)
if measured == 0 :
if time >= note_time_arr[note_cnt] + 1000:
combo = 0
#print("miss!")
combotext = "MISS!"
note_cnt += 1
if measured == 1:
#measured = 0
#print("measurement!")
#print(note_time_arr[note_cnt])
#print("sv_arr is " + str(sv_arr))
#print("Target z is " + str(john))
#print(time)
#if valid_hit:
#print("Valid hit!")
if time < note_time_arr[note_cnt] - 1000:
#print("Too early!")
combotext = "TOO EARLY!"
elif abs(time - note_time_arr[note_cnt]) < 500 and valid_hit:
combo += 1
combotext = "PERFECT!"
#print("perfect!")
score += 1/(1+abs(time-note_time_arr[note_cnt]))*SCORE_PER_NOTE
note_cnt += 1
elif abs(time - note_time_arr[note_cnt]) < 1000:
if valid_hit:
combo += 1
combotext = "GREAT!"
#print("great!")
score += 1/(1+abs(time-note_time_arr[note_cnt]))*SCORE_PER_NOTE
else:
#print("wrong side!")
combo = 0
combotext = "MISS!"
note_cnt += 1
if note_cnt == len(note_time_arr):
persistence = 0
#cheat code
#print(note_time_arr)
# Rotation
if xcnt > 0:
assert(lock == True)
# axis rotation
x_ax_arr = np.matmul(rotX, np.array([x_ax_x, x_ax_y, x_ax_z]))
y_ax_arr = np.matmul(rotX, np.array([y_ax_x, y_ax_y, y_ax_z]))
z_ax_arr = np.matmul(rotX, np.array([z_ax_x, z_ax_y, z_ax_z]))
x_ax_y = x_ax_arr[1]
x_ax_z = x_ax_arr[2]
y_ax_y = y_ax_arr[1]
y_ax_z = y_ax_arr[2]
z_ax_y = z_ax_arr[1]
z_ax_z = z_ax_arr[2]
# state vector rotation
circuit.rx(theta, 0)
xcnt -= 1
if ycnt > 0:
assert(lock == True)
# axis rotation
x_ax_arr = np.matmul(rotY, np.array([x_ax_x, x_ax_y, x_ax_z]))
y_ax_arr = np.matmul(rotY, np.array([y_ax_x, y_ax_y, y_ax_z]))
z_ax_arr = np.matmul(rotY, np.array([z_ax_x, z_ax_y, z_ax_z]))
x_ax_x = x_ax_arr[0]
x_ax_z = x_ax_arr[2]
y_ax_x = y_ax_arr[0]
y_ax_z = y_ax_arr[2]
z_ax_x = z_ax_arr[0]
z_ax_z = z_ax_arr[2]
# state vector rotation
circuit.ry(theta, 0)
ycnt -= 1
if zcnt > 0:
assert(lock == True)
# axis rotation
x_ax_arr = np.matmul(rotZ, np.array([x_ax_x, x_ax_y, x_ax_z]))
y_ax_arr = np.matmul(rotZ, np.array([y_ax_x, y_ax_y, y_ax_z]))
z_ax_arr = np.matmul(rotZ, np.array([z_ax_x, z_ax_y, z_ax_z]))
x_ax_x = x_ax_arr[0]
x_ax_y = x_ax_arr[1]
y_ax_x = y_ax_arr[0]
y_ax_y = y_ax_arr[1]
z_ax_x = z_ax_arr[0]
z_ax_y = z_ax_arr[1]
# state vector rotation
circuit.rz(theta, 0)
zcnt -= 1
if (xcnt == ycnt == zcnt == 0):
lock = False
fig = plt.figure(figsize=(10,10))
ax = Axes3D(fig)
ax._axis3don = False
ax.set_xlim3d(-1.3, 1.3)
ax.set_ylim3d(-1.3, 1.3)
ax.set_zlim3d(-1.3, 1.3)
# z-axis
ax.plot([-z_ax_x, z_ax_x], [-z_ax_y, z_ax_y], [-z_ax_z, z_ax_z], color=Z_COLOR)
ax.text(z_ax_x, z_ax_y, z_ax_z, " + z", color=Z_COLOR)
ax.text(-z_ax_x, -z_ax_y, -z_ax_z, " - z", color=Z_COLOR)
# y-axis
ax.plot([-y_ax_x, y_ax_x], [-y_ax_y, y_ax_y], [-y_ax_z, y_ax_z], color=Y_COLOR)
ax.text(y_ax_x, y_ax_y, y_ax_z, " + y", color=Y_COLOR)
ax.text(-y_ax_x, -y_ax_y, -y_ax_z, " - y", color=Y_COLOR)
# x-axis
ax.plot([-x_ax_x, x_ax_x], [-x_ax_y, x_ax_y], [-x_ax_z, x_ax_z], color=X_COLOR)
ax.text(x_ax_x, x_ax_y, x_ax_z, " + x", color=X_COLOR)
ax.text(-x_ax_x, -x_ax_y, -x_ax_z, " - x", color=X_COLOR)
# draw sphere
u, v = np.mgrid[0:2*pi:50j, 0:pi:25j]
sphere_x = np.cos(u)*np.sin(v)
sphere_y = np.sin(u)*np.sin(v)
sphere_z = np.cos(v)
ax.plot_wireframe(sphere_x, sphere_y, sphere_z, color=(0,0,0,0.2))
if not measured:
result = execute(circuit, backend = simulator).result()
sv_arr = result.get_statevector()
else:
measured = False
z1 = [0,-np.real(1-2*np.conj(sv_arr[0])*sv_arr[0])]
rotfactor = abs(z1[1]) + 0.05 # smooth precession
x1 = [0,2*(np.real(sv_arr[0])*np.real(sv_arr[1])+np.imag(sv_arr[0])*np.imag(sv_arr[1]))]
y1 = [0,2*(np.imag(sv_arr[0])*np.real(sv_arr[1])+np.real(sv_arr[0])*np.imag(sv_arr[1]))]
n = (x1[1]**2+y1[1]**2+z1[1]**2)**0.5
a = Arrow3D(x1/n, y1/n, z1/n, mutation_scale=20,
lw=1, arrowstyle="-|>", color='r')
ax.add_artist(a)
#add points for the rhythm
for i in range(len(note_time_arr)):
xarr = [x_ax_x, y_ax_x, z_ax_x]
yarr = [x_ax_y, y_ax_y, z_ax_y]
zarr = [x_ax_z, y_ax_z, z_ax_z]
idx = point_idxs[i] - 3
if idx < 0:
idx = (-1 * idx) - 1
x = -xarr[idx] / AXIS_SCALE
y = -yarr[idx] / AXIS_SCALE
z = -zarr[idx] / AXIS_SCALE
else:
x = xarr[idx] / AXIS_SCALE
y = yarr[idx] / AXIS_SCALE
z = zarr[idx] / AXIS_SCALE
#TODO: fix the case where more than one note is present
#TODO: fix the case where "too early" is reported on the wrong side, even though we missed the thing alrieady (because we hit the passed note while it's fading out)
if note_time_arr[i] - time < time_delay and time < note_time_arr[i]: #fade in
# plot point list[i] on bloch sphere with opacity = 1- (note_time_arr[i]-time)/time delay
ax.scatter(x,y,z, s=200, color=(0.5,0,1,1-(note_time_arr[i]-time)/time_delay))
john = z
elif time - note_time_arr[i] < time_delay_out and time > note_time_arr[i]: #fade out
# plot point list[i] on bloch sphere with opacity = 1- (time. - note_time_arr[i])/time delay out
ax.scatter(x,y,z, s=200, color=(0.5,0,1,1- (time - note_time_arr[i])/time_delay_out))
# print(str(time)+"No")
john = z
else:
continue
plt.savefig('bloch.tiff')
surf = pygame.image.load("bloch.tiff")
screen.blit(surf,(0,0))
font = pygame.font.SysFont('comicsans', 30, True)
timetext = font.render("Score: " + str(int(score)), 1, (0,0,0))
combohaha = font.render("Combo: " + str(combo), 1, (0,0,0))
combotext2 = font.render(str(combotext), 1, (0,0,0))
screen.blit(timetext, (0, 0))
screen.blit(combohaha, (200, 0))
screen.blit(combotext2, (400, 0))
pygame.display.flip()
clock.tick(30)
plt.close(fig)
else:
screen.fill(black)
myfont=pygame.font.SysFont("Britannic Bold", 40)
nlabel=myfont.render("Gameover", 1, (255, 0, 0))
pygame.mixer.music.stop()
for event in pygame.event.get():
if event.type == KEYDOWN:
if event.key==K_ESCAPE:
running = False
if event.key==K_f:
persistence = 1
time0=int(pygame.time.get_ticks())
pygame.mixer.music.play(0)
elif event.type == QUIT:
running = False
screen.blit(nlabel,(200,200))
pygame.display.flip()
pygame.quit()