Skip to content

Commit

Permalink
Update turtles.jl
Browse files Browse the repository at this point in the history
  • Loading branch information
@fonsp
fonsp committed Aug 10, 2024
1 parent 980b2b3 commit 411deb4
Showing 1 changed file with 11 additions and 233 deletions.
244 changes: 11 additions & 233 deletions src/basic/turtles.jl
View file
Original file line number Diff line number Diff line change
Expand Up @@ -2,11 +2,18 @@
# v0.19.45

#> [frontmatter]
#> image = "https://github.com/JuliaRegistries/General/assets/6933510/9a925232-6a75-47e7-9ab9-f384bc389602"
#> title = "Painting with Turtles"
#> date = "2024-01-23"
#> license_url = "https://github.com/JuliaPluto/featured/blob/2a6a9664e5428b37abe4957c1dca0994f4a8b7fd/LICENSES/Unlicense"
#> image = "https://github.com/user-attachments/assets/5eb767e4-2f9c-44ff-ace6-eb7bfaee8fcf"
#> order = "5"
#> title = "Turtles – introduction"
#> date = "2024-08-10"
#> tags = ["krat", "turtle", "basic"]
#> description = "🐢 Use simple Julia code to make a painting! of kratje"
#> description = "🐢 Use simple Julia code to make a painting!"
#> license = "Unlicense"
#>
#> [[frontmatter.author]]
#> name = "Pluto.jl"
#> url = "https://github.com/JuliaPluto"

using Markdown
using InteractiveUtils
Expand Down Expand Up @@ -425,216 +432,6 @@ using PlutoTurtles
```
"""

# ╔═╡ 9a900923-e407-44a0-823a-f911a22a5ada
html"""
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
"""

# ╔═╡ 553d0488-f03b-11ea-2997-3d82493cd4d7
md"# Some famous artwork"

# ╔═╡ 25dc5690-f03a-11ea-3c59-35ae694b03b5
md"""## "_The Starry Night_"
Vincent van Gogh (1889)"""

# ╔═╡ 064091ae-b4bb-4e7d-829b-b48d98e5cca0
@bind GO_gogh CounterButton("Another one!")

# ╔═╡ d88440c2-b3dc-11ea-1944-0ba4a566d7c1
function draw_star(turtle, points, size)
for i in 1:points
right!(turtle, 360 / points)
forward!(turtle, size)
backward!(turtle, size)
end
end

# ╔═╡ 9dc072fe-b3db-11ea-1568-857a664ce4d2
starry_night = turtle_drawing_fast(background = "#000088") do t
GO_gogh

star_count = 100

color!(t, "yellow")

for i in 1:star_count
#move
penup!(t)
random_angle = rand() * 360
right!(t, random_angle)
random_distance = rand(1:8)
forward!(t, random_distance)

#draw star
pendown!(t)

draw_star(t, 5, 1)
end
end

# ╔═╡ 5d345ae8-f03a-11ea-1c2d-03f66115b590
md"""## "_Tableau I_"
Piet Mondriaan (1913)"""

# ╔═╡ b3f5877c-b3e9-11ea-03fe-3f3233ee2e1b
@bind GO_mondriaan CounterButton("Another one!")

# ╔═╡ 678850cc-b3e4-11ea-3cf0-a3445a3ac15a
function draw_mondriaan(turtle, width, height)
#propbability that we make a mondriaan split
p = if width * height < 8
0
else
((width * height) / 900) ^ 0.5
end

if rand() < p
#split into halves

split = rand(width * 0.1 : width * 0.9)

#draw split
forward!(turtle, split)
right!(turtle, 90)
color!(turtle, "black")
pendown!(turtle)
forward!(turtle, height)
penup!(turtle)

#fill in left of split
right!(turtle, 90)
forward!(turtle, split)
right!(turtle, 90)
draw_mondriaan(turtle, height, split)

#fill in right of split
forward!(turtle, height)
right!(turtle, 90)
forward!(turtle, width)
right!(turtle, 90)
draw_mondriaan(turtle, height, width - split)

#walk back
right!(turtle, 90)
forward!(turtle, width)
right!(turtle, 180)

else
#draw a colored square
square_color = rand(["white", "white", "white", "red", "yellow", "blue"])
color!(turtle, square_color)
for x in (.4:.4:width - .4) ∪ [width - .4]
forward!(turtle, x)
right!(turtle, 90)
forward!(turtle, .2)
pendown!(turtle)
forward!(turtle, height - .4)
penup!(turtle)
right!(turtle, 180)
forward!(turtle, height - .2)
right!(turtle, 90)
backward!(turtle, x)
end
end
end

# ╔═╡ e04a9296-b3e3-11ea-01b5-8ff7dc0ced56
# turtle_drawing_fast() is the same as turtle_drawing(), but it does not show a little turtle taking the individual steps

mondriaan = turtle_drawing_fast() do t
GO_mondriaan
size = 30

#go to top left corner
penup!(t)
forward!(t, size / 2)
left!(t, 90)
forward!(t, size / 2)
right!(t, 180)

#draw painting
draw_mondriaan(t, size, size)

#white border around painting
color!(t, "white")
pendown!(t)
for i in 1:4
forward!(t, size)
right!(t, 90)
end
end

# ╔═╡ cd442606-f03a-11ea-3d53-57e83c8cdb1f
md"""## "_Een Boom_"
Luka van der Plas (2020)"""

# ╔═╡ 4c1bcc58-b3ec-11ea-32d1-7f4cd113e43d
@bind fractal_angle Slider(0:90; default=49)

# ╔═╡ a7e725d8-b3ee-11ea-0b84-8d252979e4ef
@bind fractal_tilt Slider(0:90; default=36)

# ╔═╡ 49ce3f9c-b3ee-11ea-0bb5-ed348475ea0b
@bind fractal_base Slider(0:0.01:2; default=1)

# ╔═╡ d1ae2696-b3eb-11ea-2fcc-07b842217994
function lindenmayer(turtle, depth, angle, tilt, base)
if depth < 10
old_pos = turtle.pos
old_heading = turtle.heading

size = base * .5 ^ (depth * 0.5)

pendown!(turtle)
color!(turtle, "hsl($(depth * 30), 80%, 50%)")
forward!(turtle, size * 8)
right!(turtle, tilt / 2)
lindenmayer(turtle, depth + 1, angle, tilt, base)
left!(turtle, angle)
lindenmayer(turtle, depth + 1, angle, tilt, base)


turtle.pos = old_pos
turtle.heading = old_heading
end
end

# ╔═╡ 60b52a52-b3eb-11ea-2e3c-9d185f4fbc2b
fractal = turtle_drawing_fast() do t
penup!(t)
backward!(t, 15)
pendown!(t)
lindenmayer(t, 0, fractal_angle, fractal_tilt, fractal_base)
end

# ╔═╡ f132f376-f03a-11ea-33e2-775fc026faca
md"""## "_Een coole spiraal_"
fonsi (2020)"""

# ╔═╡ 70160fec-b0c7-11ea-0c2a-35418346592e
@bind angle Slider(0:90; default=20)

# ╔═╡ d30c8f2a-b0bf-11ea-0557-19bb61118644
turtle_drawing() do t

for i in 0:.1:10
right!(t, angle)
forward!(t, i)
end

end

# ╔═╡ 00000000-0000-0000-0000-000000000001
PLUTO_PROJECT_TOML_CONTENTS = """
[deps]
Expand Down Expand Up @@ -919,24 +716,5 @@ uuid = "3f19e933-33d8-53b3-aaab-bd5110c3b7a0"
# ╠═8f55e3f7-4082-4df9-b290-2b9183b067d8
# ╠═1f3a56d1-0756-410d-be55-504398052149
# ╟─adce0892-05bd-45da-9e1f-3877af5e8f7f
# ╟─9a900923-e407-44a0-823a-f911a22a5ada
# ╟─553d0488-f03b-11ea-2997-3d82493cd4d7
# ╟─25dc5690-f03a-11ea-3c59-35ae694b03b5
# ╟─064091ae-b4bb-4e7d-829b-b48d98e5cca0
# ╠═9dc072fe-b3db-11ea-1568-857a664ce4d2
# ╟─d88440c2-b3dc-11ea-1944-0ba4a566d7c1
# ╟─5d345ae8-f03a-11ea-1c2d-03f66115b590
# ╟─b3f5877c-b3e9-11ea-03fe-3f3233ee2e1b
# ╟─e04a9296-b3e3-11ea-01b5-8ff7dc0ced56
# ╟─678850cc-b3e4-11ea-3cf0-a3445a3ac15a
# ╟─cd442606-f03a-11ea-3d53-57e83c8cdb1f
# ╟─4c1bcc58-b3ec-11ea-32d1-7f4cd113e43d
# ╟─a7e725d8-b3ee-11ea-0b84-8d252979e4ef
# ╟─49ce3f9c-b3ee-11ea-0bb5-ed348475ea0b
# ╟─60b52a52-b3eb-11ea-2e3c-9d185f4fbc2b
# ╟─d1ae2696-b3eb-11ea-2fcc-07b842217994
# ╟─f132f376-f03a-11ea-33e2-775fc026faca
# ╟─70160fec-b0c7-11ea-0c2a-35418346592e
# ╠═d30c8f2a-b0bf-11ea-0557-19bb61118644
# ╟─00000000-0000-0000-0000-000000000001
# ╟─00000000-0000-0000-0000-000000000002

0 comments on commit 411deb4

Please sign in to comment.