def return_trajectory(speed, angle):
radians = math.radians(angle)
x_velocity = speed * math.cos(radians)
y_velocity = speed * math.sin(radians)
return (x_velocity, y_velocity)
stage.set_background_color("black")
amount = 10
speed = 5
color_list = ["purple", "yellow", "red"]
stage.disable_all_walls()
def click():
x = stage.click_x()
y = stage.click_y()
particle_list = []
for color in color_list:
for counter in range(amount):
sprite = codesters.Circle(x, y, 10, color)
particle_list.append(sprite)
angle = 0
for count, p in enumerate(particle_list):
count += 1
speed_values = return_trajectory(speed, angle)
p.set_x_speed(speed_values[0])
p.set_y_speed(speed_values[1])
# add other actions...
stage.event_click(click)
t = codesters.Teacher()
adds = t.find_text('+=')
try:
tval0 = int(adds[1][0])
tval1 = t.get_indent_at_line(tval0)
except:
tval0 = 0
tval1 = -1
try:
tval2 = adds[1][1].replace(" ", "")
except:
tval2 = "DNE"
t1 = TestObjective()
t1.add_success(tval1 == 8 and tval2 == 'angle+=360/amount', "Great job!")
t1.add_failure(tval1 == -1, "Did you add an Add Value command?")
t1.add_failure(tval1 != 8, "Oops! Make the += command is indented twice!")
t1.add_failure('my_var' in tval2, "Did you change my_var to angle?")
t1.add_failure(tval2 != 'angle+=360/amount', "Did you change the += code correctly?")
################################################
# Pass test code
# - set pass_required to True if pass is required to prevent bad input error
# - include tpass before t1 in the test list
pass_required = False
passes = t.find_text("pass")
num_pass_only = 0
for p in passes:
if p[1].lower().replace(' ','') == "pass":
num_pass_only += 1
tpass = TestObjective()
if not pass_required:
tpass.add_success(num_pass_only == 0, "Great job!")
tpass.add_creative(num_pass_only > 0, "Great job! Feel free to delete pass statements now.")
################################################
tester = TestManager()
tester.add_test_list([tpass, t1])
tester.run_tests()
tester.display_first_feedback()
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