generated from mwc/lab_iteration
59b8557101
Yes, I'll use docstrings because I can type more comments between """ and """. I'll still use # to the right of code to comment on the code line.
44 lines
1.3 KiB
Python
44 lines
1.3 KiB
Python
# tile_grid.py
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# ------------
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# By MWC Contributors
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#
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# Implements `draw_tile_grid`, which draws a grid of tiles.
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from turtle import *
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from tile import fly
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def draw_tile_grid(width, height, tile_size, tile_function):
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"""Draws a (width * height) grid, with tile_function drawn on each tile.
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(nested loops - inner loop draws one complete row (width), inner loop closes,
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outer loop positions the pen's return to row starting point,
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then moves pen up along height to start a new row.)
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-- (fly(tile_size) positions the pen in the next column (width) to the right
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to draw the next tile in each row)
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"""
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for y in range(height):
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for x in range(width):
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tile_function(tile_size)
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fly(tile_size)
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return_to_x_origin(tile_size, width)
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move_up_one_row(tile_size)
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return_to_y_origin(tile_size, height)
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def return_to_x_origin(tile_size, width):
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"After drawing a row of tiles, returns the turtle to the starting x position"
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fly(-1 * tile_size * width)
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def return_to_y_origin(tile_size, height):
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"After drawing all rows of tiles, returns the turtle to the starting y position"
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right(90)
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fly(tile_size * height)
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left(90)
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def move_up_one_row(tile_size):
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"Moves the turtle up one row"
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left(90)
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fly(tile_size)
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right(90)
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