/
checkers.py
63 lines (56 loc) · 1.57 KB
/
checkers.py
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import time
import turtle
# global constants
SCREEN_SIZE = 600
SQUARE_SIZE = 50
CIRCLE_RADIUS = 10
BOARD_SIZE = 3
ROTATION = 90
SPEED = "fast" # https://docs.python.org/3.7/library/turtle.html?highlight=speed#turtle.speed
COL1, COL2 = 'black', 'white'
# dynamic starting point
STARTING_POINT_X = -BOARD_SIZE * SQUARE_SIZE // 2
# create screen object
sc = turtle.Screen()
# create turtle object
pen = turtle.Turtle()
# method to draw square
def draw():
for _ in range(4):
pen.forward(SQUARE_SIZE)
pen.left(ROTATION)
pen.forward(SQUARE_SIZE)
# Driver Code
if __name__ == "__main__":
assert 10 <= CIRCLE_RADIUS < 50, "Für den Kreisradius gilt immer 10 <= Radius < 50."
# set screen
sc.setup(SCREEN_SIZE, SCREEN_SIZE)
# set turtle object speed
pen.speed(SPEED)
# loops for board
for i in range(BOARD_SIZE):
# not ready to draw
pen.up()
# set position for every row
x, y = STARTING_POINT_X, STARTING_POINT_X + SQUARE_SIZE * i
pen.setpos(x, y)
# ready to draw
pen.down()
# row
for j in range(BOARD_SIZE):
# conditions for alternative color
if (i + j) % 2 == 0:
col = COL1
else:
col = COL2
# fill with given color
pen.fillcolor(col)
# start filling with colour
pen.begin_fill()
# call method
draw()
# stop filling
pen.end_fill()
time.sleep(1)
pen.hideturtle()
# This code is contributed by Deepanshu Rustagi.