基于turtle库的圣诞树的绘制

2024年的圣诞节快要到来了，内心无比的happ呀，以下是使用 Python 的 turtle 模块绘制一个美丽的圣诞节贺卡的代码示例。这个贺卡包含一棵装饰精美的圣诞树、一颗闪亮的星星以及“圣诞快乐”的祝福语。你可以根据需要调整颜色和尺寸以达到理想的效果。

完整代码

import turtle# 设置画布
screen = turtle.Screen()
screen.setup(width=800, height=600)
screen.bgcolor("skyblue")  # 背景颜色
screen.title("圣诞快乐！")# 创建画笔
pen = turtle.Turtle()
pen.speed(3)  # 画笔速度def draw_triangle(color, width, height):pen.fillcolor(color)pen.begin_fill()for _ in range(3):pen.forward(width)pen.left(120)pen.end_fill()def draw_rectangle(color, width, height):pen.fillcolor(color)pen.begin_fill()for _ in range(2):pen.forward(width)pen.left(90)pen.forward(height)pen.left(90)pen.end_fill()def draw_star(color, size):pen.fillcolor(color)pen.begin_fill()for _ in range(5):pen.forward(size)pen.right(144)pen.forward(size)pen.left(72)pen.end_fill()def draw_circle(color, radius):pen.fillcolor(color)pen.begin_fill()pen.circle(radius)pen.end_fill()def draw_tree():pen.penup()pen.goto(-50, -150)  # 树干位置pen.pendown()pen.color("sienna")draw_rectangle("sienna", 100, 150)  # 树干# 绘制树叶（三个三角形）colors = ["forest green", "green", "dark green"]y_start = 0for color in colors:pen.penup()pen.goto(-150, y_start)pen.pendown()pen.color(color)draw_triangle(color, 300, 200)y_start += 150  # 每个层次往上移动def draw_decorations():import randompen.color("red")pen.penup()decorations = [(-100, 0), (-50, 100), (0, 50), (50, 150), (100, 100), (25, 200), (-75, 175)]for pos in decorations:pen.goto(pos)pen.pendown()draw_circle("red", 10)pen.penup()pen.color("yellow")star_positions = [(-80, -30), (0, 20), (80, -30)]for pos in star_positions:pen.goto(pos)pen.pendown()draw_circle("yellow", 7)pen.penup()def draw_star_on_top():pen.penup()pen.goto(-15, 200)pen.pendown()pen.color("yellow")draw_star("yellow", 30)def write_message():pen.penup()pen.goto(0, -250)pen.color("red")pen.pendown()pen.write("圣诞快乐！", align="center", font=("Arial", 36, "bold"))def draw_snowflakes():pen.color("white")pen.penup()for _ in range(20):x = random.randint(-390, 390)y = random.randint(-280, 280)pen.goto(x, y)pen.pendown()draw_star("", 5)pen.penup()def main():draw_tree()draw_decorations()draw_star_on_top()write_message()# 可选：绘制雪花# draw_snowflakes()pen.hideturtle()turtle.done()if __name__ == "__main__":main()