好久没更新，趁着中午休息更新一下， 这次的是分形中的谢尔宾斯基地毯，3阶的地毯是下面这个形状（不是二维码哈☺）：
源代码如下 (python 2 使用Turtle绘图)：
代码语言：javascript复制# coding=utf-8
import turtle
PROGNAME = 'Sierpinski Carpet'
COLOR_TABLES = [
["#000000", "#000000", "#000000", "#000000" ],
["#00649F", "#97ECC5", "#00DBE7", "#01AAC1" ],
["#085F63", "#EF255F", "#FCCF4D", "#49BEB7" ],
["#9B5D73", "#FFF1C5", "#C38B8B", "#B0757C" ],
["#F0F0F0", "#FC5185", "#364F6B", "#43DDE6" ],
["#F67280", "#355C7D", "#6C5B7B", "#C06C84" ],
["#F3ECC8", "#0D1B4C", "#3F6699", "#78C2C3" ] ]
def box(pen, boxSize):
pen.begin_fill() # 0 deg.
pen.forward(boxSize)
pen.left(90) # 90 deg.
pen.forward(boxSize)
pen.left(90) # 180 deg.
pen.forward(boxSize)
pen.left(90) # 270 deg.
pen.forward(boxSize)
pen.end_fill()
pen.setheading(0)
def move_box(pen, xy, length, color):
(x, y) = xy
pen.color(color)
pen.penup()
pen.goto(x, y)
pen.pendown()
box(pen, length)
def draw_all(pen, xy, length, depth, color_table):
if depth <= 0: return length3 = length / 3
(x, y) = xy pos1_9 = [ (x-length3*2, y length length3),
(x length3, y length length3),
(x length length3, y length length3),
(x-length3*2, y length3),
(x length length3, y length3),
(x-length3*2, y-length3*2),
(x length3, y-length3*2),
(x length length3, y-length3*2) ]
for pos in pos1_9:
move_box(pen, pos, length3, color_table[depth%len(color_table)])
draw_all(pen, pos, length3, depth-1, color_table)
def main():
length = 270 # size
start_x = -length/2
start_y = -length/2
depth = 3 turtle.setup(width=1.3*turtle.window_width(), height=1.3*turtle.window_height()) # not necessary
for color_table in COLOR_TABLES:
my_pen = turtle.Turtle()
my_pen.ht() # hiden turtle
my_pen.speed(20000) # set speed
move_box(my_pen, (start_x, start_y), length, color_table[0])
draw_all(my_pen, (start_x, start_y), length, depth, color_table)
my_pen.getscreen().getcanvas().postscript(file=color_table[0] ".eps") # save to eps file
my_pen.clear() # clear for next draw
if __name__ == "__main__":
main()
pass运行过程是动态的，保存的图片( 伪彩)如下：
