Extend: Fireworks usually leave a streak of light behind them. Let's make that happen!
- Find this line of code in your program: ············particle_list.append(sprite)¬
- It's is near the top of your event, in the very first loop. Once you've found it, add this line of code right below it!
- From add Pen Down. It should be indented 3 times too!
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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])
angle += 360/amount
if count % amount == 0:
stage.wait(.1)
stage.event_click(click)
stage.set_gravity(3)
