From c33df2727fa4c1286f837449853a59c14e7e31c1 Mon Sep 17 00:00:00 2001
From: schwabmi <michel.j.schwab@gmail.com>
Date: Wed, 14 Dec 2022 11:35:39 +0100
Subject: [PATCH] updated solution ex2
---
notebooks/seminar04.ipynb | 47 ++++++++++++++++++++-------------------
1 file changed, 24 insertions(+), 23 deletions(-)
diff --git a/notebooks/seminar04.ipynb b/notebooks/seminar04.ipynb
index eb77a47..dc1f589 100644
--- a/notebooks/seminar04.ipynb
+++ b/notebooks/seminar04.ipynb
@@ -1316,39 +1316,40 @@
"metadata": {},
"outputs": [],
"source": [
- "import turtle\n",
+ "import turtle, math\n",
"\n",
"zoe = turtle.Turtle()\n",
"zoe.speed(10)\n",
"\n",
- "def ring(t, length, radius, k):\n",
- " t.color(colors[k])\n",
- " t.up()\n",
- " t.forward(length)\n",
- " t.down()\n",
- " t.circle(radius)\n",
- " \n",
"\n",
+ "# colors of the olympic rings \n",
+ "colors = [\"blue\", \"yellow\", \"black\", \"green\", \"red\"] \n",
"\n",
- "def rings(t, length, radius):\n",
- " t.width(10)\n",
- " k = 0\n",
- " for i in range(3):\n",
- " ring(t, length, radius, k)\n",
- " k += 1\n",
- " t.penup()\n",
- " t.goto(radius,-radius)\n",
- " t.pendown()\n",
- " for i in range(2):\n",
- " ring(t, length, radius, k)\n",
- " k += 1\n",
"\n",
- " \n",
- "colors = [\"blue\", \"black\", \"red\", \"yellow\", \"green\"]\n",
+ "# jumps to correct position for drawing a circle\n",
+ "def goto(t, radius, i):\n",
+ " t.fd(radius*1.1) \n",
+ " if i % 2 == 0:\n",
+ " t.rt(90)\n",
+ " t.fd(radius)\n",
+ " t.lt(90) \n",
+ " else:\n",
+ " t.lt(90)\n",
+ " t.fd(radius)\n",
+ " t.rt(90) \n",
"\n",
- "rings(zoe, 125, 50)\n",
+ "# draws the olympic rings\n",
+ "def olympic_rings(t, radius):\n",
+ " t.width(math.sqrt(radius)) \n",
+ " for i in range(5): # draw five circles\n",
+ " t.color(colors[i]) # remove this line for drawing without colors\n",
+ " t.circle(radius) \n",
+ " t.up()\n",
+ " goto(t, radius, i) # jump to next starting point \n",
+ " t.down()\n",
"\n",
"\n",
+ "olympic_rings(zoe, 50)\n",
"\n",
" \n",
"turtle.mainloop()\n",
--
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