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@stephengruppetta
Last active May 27, 2023 17:40
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import random
import time
import turtle
rotation_speed = 0.5
spawn_interval = 0.05
ball_speed = 2
# Set up window
window = turtle.Screen()
window.tracer(0)
spinner = turtle.Turtle()
# Spawn new balls
colour = random.random(), random.random(), random.random()
balls = []
def spawn_ball(reference):
balls.append(turtle.Turtle())
balls[-1].shape("circle")
balls[-1].color(colour)
balls[-1].turtlesize(0.5)
balls[-1].penup()
balls[-1].setposition(reference.position())
balls[-1].setheading(reference.heading())
# Main animation loop
spawn_timer = time.time()
while True:
spinner.left(rotation_speed)
# Spawn new ball
if time.time() - spawn_timer > spawn_interval:
spawn_ball(spinner)
spawn_timer = time.time()
# Move all balls and clear balls that leave the screen
for ball in balls.copy():
ball.forward(ball_speed)
# Check if ball has left the screen
if (
abs(ball.xcor()) > window.window_width() / 2
or abs(ball.ycor()) > window.window_height() / 2
):
ball.hideturtle()
balls.remove(ball)
window.update()
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