import drawsvg as draw
import math

# Veränderbare Parameter
height = 50
length = 50
key_width = 2
bridge_width = 0.5

# Feste und berechnete Parameter
i = 1
x = 0
y = 0
side_length = key_width / math.sqrt(3)
sin_expression = math.sin(math.radians(30))*side_length
distance = key_width + bridge_width
distance_y = (math.sqrt(3) / 2) * distance

canvas = draw.Drawing(length, height, origin=(0, 0))

alignment_dot = draw.Circle(0.1, 0.1, 0.1, stroke='black', stroke_width=0.05)
canvas.append(alignment_dot)

while y + (2 * side_length) < height:
    while x + key_width < length:
        p1_x = x + key_width / 2
        p1_y = y
        p2_x = x
        p2_y = y + sin_expression
        p3_x = x
        p3_y = y + sin_expression + side_length
        p4_x = x + key_width / 2
        p4_y = y + 2 * side_length
        p5_x = x + key_width
        p5_y = y + sin_expression + side_length
        p6_x = x + key_width
        p6_y = y + sin_expression

        hexagon_shifted = draw.Lines(p1_x, p1_y, p2_x, p2_y, p3_x, p3_y, p4_x, p4_y, p5_x, p5_y, p6_x, p6_y, fill='none', stroke='black', close='true', stroke_width=0.1)
        canvas.append(hexagon_shifted)

        x = x + distance

    if i % 2 == 0:
        x = 0
    else:
        x = distance / 2

    y = y + distance_y
    i = i + 1

x_shifted = distance / 2
y_shifted = distance / (2 * math.sqrt(3))

canvas_shifted = draw.Drawing(length, height, origin=(0, 0))

canvas_shifted.append(alignment_dot)

while y_shifted + (2 * side_length) < height:
    while x_shifted + key_width < length:

        p1_x_2 = x_shifted + key_width / 2
        p1_y_2 = y_shifted
        p2_x_2 = x_shifted
        p2_y_2 = y_shifted + sin_expression
        p3_x_2 = x_shifted
        p3_y_2 = y_shifted + sin_expression + side_length
        p4_x_2 = x_shifted + key_width / 2
        p4_y_2 = y_shifted + 2 * side_length
        p5_x_2 = x_shifted + key_width
        p5_y_2 = y_shifted + sin_expression + side_length
        p6_x_2 = x_shifted + key_width
        p6_y_2 = y_shifted + sin_expression

        hexagon_shifted = draw.Lines(p1_x_2, p1_y_2, p2_x_2, p2_y_2, p3_x_2, p3_y_2, p4_x_2, p4_y_2, p5_x_2, p5_y_2, p6_x_2, p6_y_2, fill='none', stroke='black', close='true', stroke_width=0.1)
        canvas_shifted.append(hexagon_shifted)

        x_shifted = x_shifted + distance

    if i % 2 == 0:
        x_shifted = 0
    else:
        x_shifted = distance / 2

    y_shifted = y_shifted + distance_y
    i = i + 1
canvas_shifted.save_svg('hex2.svg')

canvas.save_svg('hex.svg')