一、前言
🎄为了庆祝我们副山羊勒布朗詹姆斯，连续刷分6场30+，特此画一幅圣诞雪人，也祝福湖人12月26日圣诞大战，再我詹的带领下，刷分60+，圣诞之夜历史第一人。
二、创意名
Lebron James It’s for you！
三、效果展示
四、实现步骤
- 创建画布，设置背景，图片，设置雪球参数，风参数
- 创建画布中所有圆形对象
- 创建雪球
- 创建雪球移动函数
- 创建雪人
- 创建地面
五、编码实现
创建画布，设置背景，图片，设置雪球参数，风参数
import turtle
import random
import time
width = height = 500
window = turtle.Screen()
window.setup(width, height)
window.bgcolor("sky blue")
window.bgpic('jm.gif')
window.title("Happy Holidays")
snowball_rate = 1, 3
snowball_size = 5, 15
wind_change = 1, 5
max_wind = 3
turtle.bgpic函数只接受gif格式的图片
创建画布中所有圆形对象
def make_circle(turtle_name, x, y, size, colour):
turtle_name.color(colour)
turtle_name.penup()
turtle_name.setposition(x, y)
turtle_name.dot(size)
创建雪球
list_of_snowballs = []
def make_snowball():
snowball = turtle.Turtle()
snowball.color("white")
snowball.penup()
snowball.setposition(random.randint(-2*width, width/2), height/2)
snowball.hideturtle()
snowball.size = random.randint(*snowball_size)
list_of_snowballs.append(snowball)
创建雪球移动函数
def move_snowball(turtle_name, falling_speed=1, wind=0):
turtle_name.clear()
turtle_name.sety(turtle_name.ycor() - falling_speed)
if wind:
turtle_name.setx(turtle_name.xcor() + wind)
turtle_name.dot(turtle_name.size)
创建雪人
# 雪人：身体
snowman = turtle.Turtle()
x_position = 100
y_positions = 75, 0, -100
size = 75
for y in y_positions:
make_circle(snowman, x_position, y, size, "white")
size = size *1.5
# 雪人：按钮
button_seperation = 25
button_y_positions = [y_positions[1]-button_seperation,
y_positions[1],
y_positions[1]+button_seperation]
for y in button_y_positions:
make_circle(snowman, x_position, y, 10, "black")
# 雪人：眼睛
y_offset = 10
x_seperation = 15
for x in x_position-x_seperation, x_position+x_seperation:
make_circle(snowman, x, y_positions[0] + y_offset, 20, "green")
make_circle(snowman, x, y_positions[0] + y_offset, 10, "black")
# 雪人：鼻子
snowman.color("orange")
snowman.setposition(x_position - 10, y_positions[0]-y_offset)
snowman.shape("triangle")
snowman.setheading(200)
snowman.turtlesize(0.5, 2.5)
window.tracer(0)
创建地面
grass = turtle.Turtle()
grass.fillcolor("forest green")
grass.penup()
grass.setposition(-width/2, -height/2)
grass.begin_fill()
for _ in range(2):
grass.forward(width)
grass.left(90)
grass.forward(70)
grass.left(90)
grass.end_fill()
ground = turtle.Turtle()
for x in range(int(-width/2), int(width/2), int(width/200)):
make_circle(ground, x, -180, random.randint(5, 20), "white")
给画布添加文字
text = turtle.Turtle()
text.color("red")
text.penup()
text.setposition(-100,170)
text.write("Happy Holidays", font=("Apple Chancery", 30, "bold"), align="center")
text.setposition(130, 140)
text.color("dark green")
text.write("Lebron", font=("Avenir", 30, "normal"), align="right")
text.color("black")
text.write("James", font=("Avenir", 30, "normal"), align="left")
text.setx(50)
text.write("It's for you！", font=("Apple Chancery", 20, "bold"), align="right")
text.hideturtle()
定义画布的时间函数
time_delay = 0
start_time = time.time()
wind = 0
wind_delay = 5
wind_timer = time.time()
wind_step = 0.1
while True:
if time.time() - start_time > time_delay:
make_snowball()
start_time = time.time()
time_delay = random.randint(*snowball_rate)/10
for snowball in list_of_snowballs:
move_snowball(snowball, wind=wind)
if snowball.ycor() < -height/2:
snowball.clear()
list_of_snowballs.remove(snowball)
if time.time() - wind_timer > wind_delay:
wind += wind_step
if wind >= max_wind:
wind_step = -wind_step
elif wind <= 0:
wind_step = abs(wind_step)
wind_timer = time.time()
wind_delay = random.randint(*wind_change)/10
window.update()
turtle.done()
