init, Lab №1

turtle/tasks.py

@@ -0,0 +1,130 @@
+import turtle as t
+import math
+import time
+import sys
+
+
+def polygon(n=4, radius=90., offset=(0, 0), alpha_offset=0, direction=1):
+    t.penup()
+    t.goto(radius * math.cos(alpha_offset) + offset[0], radius * math.sin(alpha_offset) + offset[1])
+    t.pendown()
+    for i in range(n):
+        angle = direction * (i + 1) * 2 * math.pi / n + alpha_offset
+        t.goto(radius * math.cos(angle) + offset[0], radius * math.sin(angle) + offset[1])
+
+
+def star(n=5, r=160):
+    # step = n // 2
+    for i in range(n):
+        t.forward(r)
+        t.right(180 - 180 * 1 / n)
+
+
+num = int(sys.argv[1] if len(sys.argv) > 1 else input('Task: '))
+t.shape('turtle')
+if num == 3:
+    polygon()
+elif num == 4:
+    polygon(100)
+elif num == 5:
+    for r in range(70, 160, 10):
+        polygon(4, r)
+elif num == 9:
+    for n in range(3, 10):
+        rad = 90 / (2 * math.sin(2 * math.pi / (2 * n)))
+        polygon(n, rad)
+elif num == 10:
+    n = 6
+    alpha = 2 * math.pi / n
+    r = 90
+    for i in range(n):
+        polygon(100, r, (r * math.cos(alpha * i), r * math.sin(alpha * i)), -(math.pi - alpha * i))
+elif num == 11:
+    for n in range(5):
+        r = 70 + 10 * n
+        polygon(100, r, (r, 0), math.pi)
+        polygon(100, r, (-r, 0), direction=-1)
+
+elif num == 6:
+    n, r = input('n: '), 90
+    for i in range(n):
+        t.goto(r * math.cos(i * 2 * math.pi / n), r * math.sin(i * 2 * math.pi / n))
+        t.stamp()
+        t.goto(0, 0)
+elif num == 7:
+    k = 20 / (2 * math.pi)
+    step = 100
+    n = 20
+    for phi_ in range(0, int(n * 2 * math.pi * step)):
+        phi = phi_ / step
+        r = k * phi
+        t.goto(r * math.cos(phi), r * math.sin(phi))
+elif num == 8:
+    for n in range(1, 20):
+        # right
+        t.forward(10 * n)
+        t.left(90)
+        # up
+        t.forward(10 * (2 * n))
+        t.left(90)
+        # left
+        t.forward(10 * (2 * n))
+        t.left(90)
+        # down
+        t.forward(10 * (n * 2 + 1))
+        t.left(90)
+        t.forward(10 * n)
+elif num == 12:
+    t.right(90)
+    for _ in range(10):
+        t.circle(50, 180)
+        t.circle(10, 180)
+elif num == 13:
+    t.fillcolor('yellow')
+    t.begin_fill()
+    t.circle(100)
+    t.end_fill()
+    t.penup()
+    t.goto(-50, 110)
+    t.pendown()
+    t.fillcolor('blue')
+    t.begin_fill()
+    t.circle(20)
+    t.end_fill()
+    t.penup()
+    t.goto(50, 110)
+    t.pendown()
+    t.fillcolor('blue')
+    t.begin_fill()
+    t.circle(20)
+    t.end_fill()
+    t.up()
+    t.goto(-60, 155)
+    t.down()
+
+    t.width(3)
+    t.setheading(-10)
+    t.forward(30)
+    t.up()
+    t.goto(60, 155)
+    t.down()
+    t.setheading(180 + 10)
+    t.forward(30)
+    
+    t.up()
+    t.goto(0, 100)
+    t.down()
+    t.width(15)
+    t.setheading(270)
+    t.forward(25)
+
+    t.up()
+    t.goto(-40, 30)
+    t.down()
+    t.color('red')
+    t.seth(0)
+    t.forward(80)
+elif num == 14:
+    star()
+time.sleep(float(sys.argv[2]) if len(sys.argv) > 2 else 10)
+

turtle/turtle_2.py

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+import turtle
+
+turtle.shape('turtle')
+turtle.forward(50)
+turtle.left(90)
+turtle.forward(50)
+turtle.left(90)
+turtle.forward(50)
+turtle.right(90)
+turtle.forward(50)
+turtle.right(90)
+turtle.forward(50)
+