def make_hash_square3(tl, side, gap, a, pen_width, factor):
centre = tl + Point(1, 1) * side / 2
r = side * math.sqrt(2)
gap = 2
disp = 0
while disp > -r / 2:
disp -= gap
unclipped_lines = []
while disp < r / 2:
line = []
x = -r / 2
a1 = 0
x_inc = pen_width
a_inc = math.pi * 2 * (x_inc / gap) * factor
while x < r / 2:
line.append(centre + Point(x, disp + gap * math.sin(a1) * factor))
x += x_inc
a1 += a_inc
unclipped_lines.append(line)
disp += gap
unclipped_lines = [[
StandardDrawing.rotate_about(x, centre, a) for x in line
] for line in unclipped_lines]
c = math.cos(a)
shape = [
tl, tl + Point(side, 0), tl + Point(side, side), tl + Point(0, side)
]
sf = ShapeFiller([shape])
return sf.clip(unclipped_lines, inverse=True)
def make_hash_square(tl, side, gap, a):
centre = tl + Point(1, 1) * side / 2
r = side * math.sqrt(2)
gap = 2
disp = 0
while disp > -r / 2:
disp -= gap
unclipped_lines = []
while disp < r / 2:
unclipped_lines.append(
[centre + Point(-r / 2, disp), centre + Point(r / 2, +disp)])
disp += gap
unclipped_lines = [[
StandardDrawing.rotate_about(x, centre, a) for x in line
] for line in unclipped_lines]
c = math.cos(a)
shape = [
tl, tl + Point(side, 0), tl + Point(side, side), tl + Point(0, side)
]
sf = ShapeFiller([shape])
return sf.clip(unclipped_lines, inverse=True)