def afficherForme(forme, x, y, largeur, hauteur, rotation=0, couleur="black"):
turtle.shape(forme) # Forme.
turtle.setpos(x, y) # Coordonnées.
turtle.shapesize((largeur-1)/20, (hauteur-1)/20) # Taille.
turtle.settiltangle(90 + rotation) # Rotation.
turtle.color(couleur) # Couleur.
turtle.stamp() # Tamponner.
def update(self):
turtle.shapesize(self.sizex, self.sizey)
turtle.settiltangle(0)
#screen wraparound
if self.x >= WIDTH / 2:
self.x = -WIDTH / 2
elif self.x <= -WIDTH / 2:
self.x = WIDTH / 2 - 2
elif self.y >= HEIGHT / 2:
self.y = -HEIGHT / 2
elif self.y <= -HEIGHT / 2:
self.y = HEIGHT / 2
super().update()
turtle.shapesize(0.1, 0.1)
def update(self): turtle.shapesize(self.sizex, self.sizey) turtle.settiltangle(0) #screen wraparound if self.x >= WIDTH / 2: self.x = -WIDTH / 2 elif self.x <= -WIDTH / 2: self.x = WIDTH / 2 - 2 elif self.y >= HEIGHT / 2: self.y = -HEIGHT / 2 elif self.y <= -HEIGHT / 2: self.y = HEIGHT / 2 super().update() turtle.shapesize(0.1, 0.1)
def update(self):
turtle.shapesize(0.2, 0.2)
turtle.settiltangle(0)
#screen wraparound
if self.x >= WIDTH / 2:
self.x = -WIDTH / 2
elif self.x <= -WIDTH / 2:
self.x = WIDTH / 2 - 2
elif self.y >= HEIGHT / 2:
self.y = -HEIGHT / 2
elif self.y <= -HEIGHT / 2:
self.y = HEIGHT / 2
super().update()
if self.age >= SHOTLIFE:
engine.del_obj(self)
s.shots -= 1
def update(self): turtle.shapesize(0.2,0.2) turtle.settiltangle(0) #screen wraparound if self.x >= WIDTH / 2: self.x = -WIDTH / 2 elif self.x <= -WIDTH / 2: self.x = WIDTH / 2 - 2 elif self.y >= HEIGHT / 2: self.y = -HEIGHT / 2 elif self.y <= -HEIGHT / 2: self.y = HEIGHT / 2 super().update() if self.age >= SHOTLIFE: engine.del_obj(self) s.shots -= 1
def main():
#设置一个画面
windows = turtle.Screen()
#设置背景
windows.bgcolor('blue')
#生成一个黄色乌龟
bran = turtle.Turtle()
bran.shape('turtle')
bran.color('yellow')
turtle.reset()
turtle.shape("circle")
turtle.shapesize(5, 2)
turtle.settiltangle(45)
turtle.fd(50)
turtle.settiltangle(-45)
turtle.fd(50)
#开始你的表演
bran.speed(1)
bran.circle(50, 360, 100)
def backtrack(t, matrix, index, size, visited):
# let's implement this recursively
i = index[0]
x = index[1]
# base case
if matrix[i][x] == 'e':
win(t, size)
return True, [i, x]
print("i: ", i, "\tx: ", x)
visited[i][x] = 1
print(visited)
curpos = t.pos()
print(curpos)
if valid_move(i - 1, x, matrix, visited) == True:
t.settiltangle(90)
print('moving right')
t.goto(curpos[0], curpos[1] + size)
t.dot()
if backtrack(t, matrix, [i - 1, x], size, visited):
return True
if valid_move(i + 1, x, matrix, visited) == True:
print('moving down')
t.settiltangle(270)
t.goto(curpos[0], curpos[1] - size)
t.dot()
if backtrack(t, matrix, [i + 1, x], size, visited):
return True
if valid_move(i, x - 1, matrix, visited) == True:
print('moving left')
t.settiltangle(180)
t.goto(curpos[0] - size, curpos[1])
t.dot()
if backtrack(t, matrix, [i, x - 1], size, visited):
return True
if valid_move(i, x + 1, matrix, visited) == True:
print('moving up')
t.settiltangle(0)
t.goto(curpos[0] + size, curpos[1])
t.dot()
if backtrack(t, matrix, [i, x + 1], size, visited):
return True
t.setpos(curpos)
screen.update()
return False
def simulate_with_steering(self, next_angle, params):
"""Run simulation to allow glider to be steered.
Args:
next_angle(func): Student submission function for gliders next turn angle.
params(dict): Test parameters.
Raises:
Exception if error running submission.
"""
self._reset()
#make the test somewhat repeatable by seeding the RNG.
random.seed(params['map_seed'])
ourMapFunc = getMapFunc(params['map_seed'], params['map_freq'])
#Student function is separate, so they can mess it up if they want.
studentMapFunc = getMapFunc(params['map_seed'], params['map_freq'])
target = glider.glider(
params['target_x'],
params['target_y'],
5000 + random.randint(-50, 50), #Altitude
params['target_heading'],
ourMapFunc)
target.set_noise(params['measurement_noise'],
params['altitude_offset'], params['turning_noise'])
other_info = None
steps = 0
tolerance = 10.0 #Double tolerance for steering task.
# Set up the plotter if requested
if PLOT_PARTICLES == True:
import turtle
s = turtle.Screen()
s.tracer(0, 1)
turtle.setup(width=800, height=800)
turtle.setworldcoordinates(-WINDOW_SIZE, -WINDOW_SIZE, WINDOW_SIZE,
WINDOW_SIZE)
#Draw a cross at (0,0)
turtle.penup()
turtle.setposition(0, -5)
turtle.pendown()
turtle.setposition(0, 5)
turtle.penup()
turtle.setposition(-5, 0)
turtle.pendown()
turtle.setposition(5, 0)
turtle.penup()
turtle.setposition(target.x, target.y)
turtle.pendown()
turtle.shape("triangle")
turtle.shapesize(0.2, 0.4)
turtle.settiltangle(target.heading * 180 / math.pi)
turtle.pencolor("red")
turtleList = []
try:
while steps < params['max_steps']:
target_meas = target.sense()
target_height = target.get_height()
result = next_angle(target_height, target_meas, studentMapFunc,
other_info)
if len(result) == 3:
steering, other_info, extra_points = result
elif len(result) == 2:
steering, other_info = result
extra_points = None
else:
print "next_angle did not return 2 or 3 return values!"
steering = max(-PI / 8.0, steering)
steering = min(steering, PI / 8.0)
target.glide(steering)
target_pos = (target.x, target.y)
separation = self.distance((0, 0), target_pos)
if PLOT_PARTICLES == True:
if extra_points != None:
#Add turtles if needed.
while len(extra_points) > len(turtleList):
newTurtle = turtle.Turtle()
newTurtle.penup()
turtleList.append(newTurtle)
#remove turtles if needed.
while len(extra_points) < len(turtleList):
turtleList[-1].hideturtle()
turtleList = turtleList[0:-1]
# Draw the particles, set angle and position of each turtle.
for i in range(len(extra_points)):
t = turtleList[i]
p = extra_points[i]
if len(p) > 2:
t.shape("triangle")
t.shapesize(0.2, 0.4)
t.settiltangle(p[2] * 180 / math.pi)
else:
t.shape("circle")
t.shapesize(0.1, 0.1)
t.setposition(p[0], p[1])
#Always show the actual glider.
turtle.setposition(target.x, target.y)
turtle.settiltangle(target.heading * 180 / math.pi)
s = turtle.Screen()
s.update()
if VERBOSE == True:
actual_height = target.z
ground_height = ourMapFunc(target.x, target.y)
actual_dist_to_ground = actual_height - ground_height
print "Step: {} Actual Heading ({}) \n Dist To (0,0) = {}\n ".format(
steps, target.heading, separation)
if separation < tolerance:
self.glider_found.put(True)
self.glider_steps.put(steps)
return
steps += 1
self.glider_found.put(False)
self.glider_steps.put(steps)
except:
self.glider_error.put(traceback.format_exc())
def scheme_pencolor(x):
turtle.settiltangle(x)
def scheme_pencolor(x):
turtle.settiltangle(x)
import turtle
turtle.bgcolor("blue")
turtle.pensize(10)
turtle.color("green", "yellow")
turtle.begin_fill()
turtle.speed(1)
turtle.shape("turtle")
turtle.fd(50)
turtle.circle(70)
turtle.shapesize(5, 1)
turtle.settiltangle(90)
turtle.fd(100)
turtle.end_fill()
turtle.shape("square")
turtle.shaptransform(4, -1, 0, 2)
turtle.get_shapepoly()
turtle.end_fill()
turtle.reset()
turtle.resizemode("auto")
turtle.speed(6)
turtle.shape("triangle")
turtle.tilt(90)
turtle.shaptransform()
turtle.end_fill()
