loop_3

# Draw a grid of lines, parametrized with step size and offset shift.
# Copyright 2023 Roland Richter                          [Processing.py]

from __future__ import division, print_function

def setup():
    size(800, 560)


def draw():
    background("#0F0F0F")

    draw_vertical_lines()
    # TRY to pass different arguments to the function, such as
    # draw_vertical_lines(55, 12)
    # draw_vertical_lines(offset = 18)

    # TRY to use a variable, e.g. frameCount or mouseX/Y, to animate the grid
    draw_horizontal_lines()


def draw_vertical_lines(step = 40, offset = 0):
    """Draw vertical grey lines, `step` pixels apart, starting at `offset`.

    Arguments:
    step -- vertical lines are drawn every `step` pixels (default: 40)
    offset -- vertical lines start at x coordinate `offset` (default: 0)
    """
    stroke(92)
    fill(192)
    textSize(12)
    textAlign(CENTER, CENTER)

    # Draw vertical lines, and place a label at the top of each line
    for x in range(offset, width+1, step):
        line(x, 0, x, height)
        label = nf(x, 3)
        text(label, x, 12)


def draw_horizontal_lines(step = 40, offset = 0):
    """Draw horizontal grey lines, `step` pixels apart, starting at `offset`.

    Arguments:
    step -- horizontal lines are drawn every `step` pixels (default: 40)
    offset -- horizontal lines start at y coordinate `offset` (default: 0)
    """
    stroke(92)
    fill(192)
    textSize(12)
    textAlign(CENTER, CENTER)

    # Draw horizontal lines, and place a label at the left of each line
    # TRY to implement this function in a similar way as above
    for y in range(0):
        line(0, 1, 2, 3)
        label = ""
        text(label, 4, 5)


# ----------------------------------------------------------------------
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.