Simple turtle graphics: Difference between revisions

function house(🐢, x, y, siz)

# house wall

Reposition(🐢, x, y)

Rectangle(🐢, siz, siz)

# roof

Reposition(🐢, x - siz / 2, y - siz / 2)

Turn(🐢, -60)

doorheight, doorwidth = siz / 2, siz / 4

Pencolor(🐢, 0, 0, 0)

Reposition(🐢, x, y + doorheight / 2)

Rectangle(🐢, doorwidth, doorheight)

# window

windowheight, windowwidth = siz /3, siz / 4

Reposition(🐢, x + siz / 4, y - siz / 4)

Rectangle(🐢, windowwidth, windowheight)

Reposition(🐢, x - siz / 4, y - siz / 4)

Rectangle(🐢, windowwidth, windowheight)

end

function barchart(🐢, data, x, y, siz)

maxdata = maximum(data)

# scale to fit within a square with sides `siz` and draw bars of chart

for n in data # draw each bar in chart

barheight = n * siz / maxdata

Reposition(🐢, x, y - barheight / 2)

Rectangle(🐢, barwidth, barheight)

x += barwidth

end

end