# starter. py '' draw random "art" in a mondrian style ''' import turtle import random # height and width of the turtle window width = 1024 height = 768 def drawsquare(x, y, w, h, color, tur): ''' draw a rectangle with the lower right corder at (x, y) the width of the rectangle is w and its height is h the fill color for the rectangle is specified by color ''' tur. up() # first corner tur. goto(x, y) tur. down() tur. fillcolor(color) tur. begin_fill() # second corner tur. goto(x+w, y) # third corner tur. goto(x+w, y+h) # fourth corner tur. goto(x, y+h) # back to first corner tur. goto(x, y) tur. end_fill() tur. up() def randomcolor(): ''' select a color randomly return a random color as described in the assignment. this color is just a string with the name of the color '' '# you must write this function def split_horiz(x, y, w, h, tur): ''' split horizontally - so one rectangle is beside the other. make a recursive call to the "art" function for each smaller rectangle. ++ +++ | | | | | | | becomes | | | ++ +++ ''' # you must write this function def split_vert(x, y, w, h, tur): ''' split vertically - so one rectangle is above the other make a recursive call to the "art" function for each smaller rectangle. +---+ +---+ | | | | | | becomes | | | | +---+ | | | | +---+ +---+ ''' # you must write this function def split_both(x, y, w, h, tur): ''' split both vertically and horizontally make a recursive call to the "art" function for each smaller rectangle. ++ +++ | | | | | | | becomes | | | | | | | | | | +++ | | | | | ++ +++ ''' # you must write this function def dosplit(dim): ''' decide at random whether or not to split ''' # you can call this function from the "art" function # when deciding randomally whether or not to do a split. # putting this logic in a function makes the "art" function # easier to think about. # this function should return true or false def art(x, y, w, h, tur): ''' use recursion to draw "art" in a mondrian style input is a rectangle with bottom left corner at (x, y) and with width w and height h. ''' # this is where you decide whether or not to split a rectangle. # to do the split, you'll call one of the three split functions above. # they will in turn make recursive calls back to this function. def maketurtle(): ''' set up the turtle ''' turtle. setworldcoordinates(-2, -2, width+18, height+8) # trial and error turtle. setup() ourwindow = turtle. screen() ourwindow. title('recursive art') ourwindow. tracer(0) # comment this line to turn off animation tur = turtle. turtle() tur. hideturtle() tur. speed('fastest') tur. width(3) return tur def main(): # you can uncomment the following line so you program will always behave the same # random. seed(1985) # create the turtle tur = maketurtle() # draw the art art(0, 0, width, height, tur) turtle. done() main() Get the answer
Category: ecology | Author: Selma Yafa