def move_circle(event):
if not active_tag:
print('no tag selected')
return
# calculate the current position of the current shape:
width = utilities.get_width(canvas, active_tag)
height = utilities.get_height(canvas, active_tag)
left = utilities.get_left(canvas, active_tag)
top = utilities.get_top(canvas, active_tag)
current_x = left + (width / 2)
current_y = top + (height / 2)
# calculate the delta of the current shape:
delta_x = -1 * (current_x - event.x)
delta_y = -1 * (current_y - event.y)
# move the shape:
utilities.update_position_by_tag(canvas, active_tag, x=delta_x, y=delta_y)
def move_circle(event):
distance = 10
if event.keycode == keycodes.get_up_keycode():
utilities.update_position_by_tag(canvas, tag='circle', x=0, y=-distance)
elif event.keycode == keycodes.get_down_keycode():
utilities.update_position_by_tag(canvas, tag='circle', x=0, y=distance)
elif event.keycode == keycodes.get_left_keycode():
utilities.update_position_by_tag(canvas, tag='circle', x=-distance, y=0)
elif event.keycode == keycodes.get_right_keycode():
utilities.update_position_by_tag(canvas, tag='circle', x=distance, y=0)
else:
print('Keycode:', event.keycode, 'not handled by this if/elif/else statement.')
def move_circle(event):
# NOTE: Because Windows and Mac have different keycodes, use the functions
# from the keycode module to detect the different keys
distance = 10
if event.keycode == keycodes.get_up_keycode():
utilities.update_position_by_tag(canvas, tag='circle', x=0, y=-distance)
elif event.keycode == keycodes.get_down_keycode():
utilities.update_position_by_tag(canvas, tag='circle', x=0, y=distance)
elif event.keycode == keycodes.get_left_keycode():
utilities.update_position_by_tag(canvas, tag='circle', x=-distance, y=0)
elif event.keycode == keycodes.get_right_keycode():
utilities.update_position_by_tag(canvas, tag='circle', x=distance, y=0)
else:
print('Keycode:', event.keycode, 'not handled by this if/elif/else statement.')
def move_circle(event):
distance = 10
if event.keycode == keycodes.get_up_keycode():
utilities.update_position_by_tag(canvas,
tag=active_tag,
x=0,
y=-distance)
elif event.keycode == keycodes.get_down_keycode():
utilities.update_position_by_tag(canvas,
tag=active_tag,
x=0,
y=distance)
elif event.keycode == keycodes.get_left_keycode():
utilities.update_position_by_tag(canvas,
tag=active_tag,
x=-distance,
y=0)
elif event.keycode == keycodes.get_right_keycode():
utilities.update_position_by_tag(canvas,
tag=active_tag,
x=distance,
y=0)
else:
print(event.keycode)
window_height = gui.winfo_screenheight()
canvas = Canvas(gui, width=window_width, height=window_height, background='blue')
canvas.pack()
helper.make_turtle(canvas,(750, 180), 100, tag="turtle")
def make_turtle_by_click(event):
tag = 'turtle_' + str(len(data))
helper.make_turtle(canvas, (event.x, event.y), random.choice(range(0,100)), tag=tag, fill="green")
data.append({
'tag': tag,
'speed': random.uniform(1, 5)
})
canvas.bind(MOUSE_DRAG, make_turtle_by_click)
for item in data:
tag = item['tag']
speed = -1* item['speed']
if utilities.get_bottom(canvas, tag) < 0:
reset_position = window_height + utilities.get_width(canvas, tag)
utilities.update_position_by_tag(canvas, tag=tag, y=reset_position)
utilities.update_position_by_tag(canvas, tag=tag, x=0, y=speed)
gui.update()
time.sleep(0.002)
for item in data:
tag = item["turtle"]
speed = -1 * item['speed']
if utilities.get_bottom(canvas, tag) < 0:
reset_position = window_height + utilities.get_width(canvas, tag)
utilities.update_position_by_tag(canvas, tag="turtle", y=reset_position)
utilities.update_position_by_tag(canvas, tag="turtle", x=0, y=speed)
gui.update()
time.sleep(0.002)
canvas.mainloop()
# 3. Initialize close button:
# read about buttons:
# https://www.labspoint.com/python3/tk_button.htm
my_name = StringVar()
Entry(mainframe, textvariable=my_name).grid(column=0, row=0, sticky=E)
Button(mainframe,
padx=5,
pady=5,
text='ADD MESSAGE',
command=add_message_to_canvas).grid(column=1, row=0, sticky=E)
# 4. initialize canvas:
canvas_width = gui.winfo_screenwidth()
canvas_height = gui.winfo_screenheight() - 100
canvas = Canvas(gui,
width=canvas_width,
height=canvas_height,
background='white')
canvas.grid(column=0, row=1, sticky=W)
utilities.make_circle(canvas, (200, 200), 20, color='hotpink', tag='my_circle')
while True:
utilities.update_position_by_tag(canvas, 'my_circle', 2, 0)
time.sleep(0.01)
gui.update()
########################## YOUR CODE ABOVE THIS LINE ##############################
# makes sure the canvas keeps running:
canvas.mainloop()
tags=tag,
outline=outline)
########################## YOUR CODE BELOW THIS LINE ##############################
palette = ['#f0a202', '#f18805', '#d95d39', '#0e1428', '#7b9e89']
# first: create all of the squares:
for i in range(0, 100):
x = random.randint(0, 500)
y = random.randint(0, 500)
radius = random.randint(1, 30)
fill = random.choice(palette)
tag_name = 'sq_' + str(i) # give each square a unique tag
make_rect(canvas, (x, y), radius, color=fill, tag=tag_name)
gui.update()
time.sleep(0.001)
tags_of_squares_i_want_to_animate = ['sq_97', 'sq_98', 'sq_99']
# if you later want to animate anything:
while True:
for tag in tags_of_squares_i_want_to_animate:
utilities.update_position_by_tag(canvas, tag, x=0, y=2)
gui.update()
time.sleep(0.001)
########################## YOUR CODE ABOVE THIS LINE ##############################
# makes sure the canvas keeps running:
canvas.mainloop()
tag='creature_1',
fill='#f0a202')
creature.make_creature(canvas, (100, 400),
size=50,
tag='creature_2',
fill='#f18805')
creature.make_creature(canvas, (50, 400),
size=75,
tag='creature_3',
fill='#f0a202')
creature.make_creature(canvas, (400, 100),
size=250,
tag='creature_4',
fill='#d95d39')
creature.make_creature(canvas, (350, 350),
size=150,
tag='creature_5',
fill='#7b9e89')
palette = ['#f0a202', '#f18805', '#d95d39', '#0e1428', '#7b9e89']
while True:
utilities.update_position_by_tag(canvas, 'creature_1', x=1, y=1)
utilities.update_position_by_tag(canvas, 'creature_4', x=-1, y=0)
gui.update()
time.sleep(0.01)
########################## YOUR CODE ABOVE THIS LINE ##############################
# makes sure the canvas keeps running:
canvas.mainloop()
import math
import time
gui = Tk()
gui.title('Circle')
canvas = Canvas(gui, width=500, height=500, background='white')
canvas.pack()
########################## YOUR CODE BELOW THIS LINE ##############################
center_x = 200
center_y = 200
distance_from_center = 120
center = (center_x, center_y)
center_creature = (center_x, center_y - distance_from_center)
make_creature(canvas, center_creature, 60, fill='hotpink', tag='creature')
make_circle(canvas, center, 10, color='black')
counter = 0
slow_factor = 250
while True:
# calculate new position of x and y
radians = counter / slow_factor
dy = distance_from_center / slow_factor * math.sin(radians)
dx = distance_from_center / slow_factor * math.cos(radians)
update_position_by_tag(canvas, tag='creature', x=dx, y=dy)
counter += 1
gui.update()
time.sleep(.01)
########################## YOUR CODE ABOVE THIS LINE ##############################
canvas.mainloop()