def draw(self, vsk: vsketch.Vsketch) -> None:
vsk.size("5x5cm", landscape=False, center=False)
random.seed(vsk.random(1.0))
rays = tuple(
Ray(
random.randint(1, self.m + 1),
random.randint(0, self.n),
vsk.random(-0.2, 1.2),
3.0,
0.5,
) for _ in range(100))
time = self.frame / self.frame_count
for ray in rays:
for time_offset in (-1, 0, 1):
start_pos = ((time + time_offset) -
ray.start_time) * ray.speed * vsk.width
vsk.stroke(ray.x)
vsk.line(
start_pos,
ray.y / self.n * vsk.height,
start_pos - ray.length * vsk.width,
ray.y / self.n * vsk.height,
)
vsk.vpype("crop 0 0 {vp_page_size[0]} {vp_page_size[1]}")
vsk.vpype(
f"pspread {5/self.m}cm perspective --hfov 100 --pan 90 --move 0 0 -1cm"
)
vsk.vpype("lmove all 1")
def draw(self, vsk: vsketch.Vsketch) -> None:
vsk.size("a6", landscape=self.orient == "landscape")
vsk.penWidth(self.pen_width)
for j in range(self.num_y):
for i in range(self.num_x):
if self.mapping == "grad":
amt = j / self.num_y
color_prob = 1.0
elif self.mapping == "double_grad":
amt = abs(j - self.num_y / 2) / self.num_y * 2
color_prob = 1.0
elif self.mapping == "double_grad_inside":
amt = 1.0 - abs(j - self.num_y / 2) / self.num_y * 2
color_prob = 1.0
elif self.mapping == "crossover":
amt = 1.0 - abs(j - self.num_y / 2) / self.num_y * 2
color_prob = (j / self.num_y - 0.5) * 1.2 + 0.5
elif self.mapping == "circular":
amt = 1 - math.hypot(i - self.num_x / 2, j - self.num_y /
2) / max(self.num_x, self.num_y)
color_prob = 1.0
elif self.mapping == "circular_crossover":
amt = 1 - math.hypot(i - self.num_x / 2, j - self.num_y /
2) / max(self.num_x, self.num_y)
color_prob = (j / self.num_y - 0.5) * 1.2 + 0.5
elif self.mapping == "diagonal":
amt = 1.0 - abs(1.0 - i / self.num_x - j / self.num_y)
color_prob = 1.0
elif self.mapping == "diagonal_crossover":
amt = 1.0 - abs(1.0 - i / self.num_x - j / self.num_y)
color_prob = vsk.lerp(
-0.2, 1.2, (i / self.num_x + j / self.num_y) / 2)
elif self.mapping == "stripes":
color_prob = math.floor(i / self.num_x * 9) % 2
amt = j / self.num_y
if color_prob == 1:
amt = 1 - amt
elif self.mapping == "circle_grad":
if math.hypot(i - self.num_x / 2, j - self.num_y /
2) > 0.4 * min(self.num_x, self.num_y):
color_prob = 1.0
amt = j / self.num_y
else:
color_prob = 0.0
amt = vsk.lerp(-0.5, 1.5, 1 - j / self.num_y)
else:
raise NotImplementedError
prob = vsk.lerp(self.hi_density, self.lo_density, amt)
if vsk.random(1.0) < color_prob:
vsk.stroke(1)
else:
vsk.stroke(2)
if vsk.random(1.0) < prob:
vsk.point(i * self.pitch, j * self.pitch)
def draw(self, vsk: vsketch.Vsketch) -> None:
vsk.size(self.page_size)
width = round((vsk.width - 2 * self.margin) / self.base_pitch) * self.base_pitch
height = round((vsk.height - 2 * self.margin) / self.base_pitch) * self.base_pitch
mls0 = MultiLineString(
[
[(0, y), (width, y)]
for y in np.arange(0, height + self.base_pitch, self.base_pitch)
]
)
mls1 = MultiLineString(
[
[(0, y), (width, y)]
for y in np.arange(self.base_pitch / 2, height, self.base_pitch)
]
)
mls2 = MultiLineString(
[
[(0, y), (width, y)]
for y in np.arange(self.base_pitch / 4, height, self.base_pitch / 2)
]
)
# build a separation
yy = np.linspace(0, height, 100)
xx = np.array([vsk.noise(y * 0.002) for y in yy]) * width / 1.8 + 3 * width / 5 - 200
p1 = Polygon(list(zip(xx, yy)) + [(width, height), (width, 0)])
vsk.geometry(mls0)
circles = [
Point(vsk.random(0, width), vsk.random(0, height)).buffer(
vsk.random(self.min_radius, self.max_radius)
)
for _ in range(5)
]
all_geom = circles + [p1]
itrsct = unary_union(
[a.intersection(b) for a, b in itertools.combinations(all_geom, 2)]
)
vsk.geometry(mls1.intersection(unary_union(all_geom)))
vsk.geometry(mls2.intersection(itrsct))
def draw(self, vsk: vsketch.Vsketch) -> None:
vsk.size("a4", landscape=False)
vsk.scale("cm")
for j in range(self.rows):
with vsk.pushMatrix():
for i in range(self.columns):
with vsk.pushMatrix():
vsk.rotate(self.fuzziness * 0.03 * vsk.random(-j, j))
vsk.translate(
self.fuzziness * 0.01 * vsk.randomGaussian() * j,
self.fuzziness * 0.01 * vsk.randomGaussian() * j,
)
vsk.rect(0, 0, 1, 1)
vsk.translate(1, 0)
vsk.translate(0, 1)
def draw(self, vsk: vsketch.Vsketch) -> None:
print(os.getcwd())
vsk.size("a6", landscape=False, center=False)
vsk.scale(1)
vsk.penWidth(self.pen_width)
glyph_poly = load_glyph(self.font, self.glyph, self.face_index)
# normalize glyph size
bounds = glyph_poly.bounds
scale_factor = min(
(vsk.width - 2 * self.glyph_margin) / (bounds[2] - bounds[0]),
(vsk.height - 2 * self.glyph_margin) / (bounds[3] - bounds[1]),
)
glyph_poly = scale(glyph_poly, scale_factor, scale_factor)
bounds = glyph_poly.bounds
glyph_poly = translate(
glyph_poly,
vsk.width / 2 - bounds[0] - (bounds[2] - bounds[0]) / 2,
vsk.height / 2 - bounds[1] - (bounds[3] - bounds[1]) / 2 +
self.glyph_voffset,
)
if self.draw_glyph:
vsk.strokeWeight(self.glyph_weight)
if self.fill_glyph:
vsk.fill(1)
vsk.geometry(glyph_poly)
if self.fill_glyph and self.glyph_chroma:
angle = self.glyph_chroma_angle / 180.0 * math.pi
glyph_poly_chroma1 = translate(
glyph_poly,
-self.glyph_chroma_offset * math.cos(angle),
-self.glyph_chroma_offset * math.sin(angle),
).difference(glyph_poly)
glyph_poly_chroma2 = translate(
glyph_poly,
self.glyph_chroma_offset * math.cos(angle),
self.glyph_chroma_offset * math.sin(angle),
).difference(glyph_poly)
vsk.strokeWeight(1)
vsk.stroke(2)
vsk.fill(2)
vsk.geometry(glyph_poly_chroma1)
vsk.stroke(3)
vsk.fill(3)
vsk.geometry(glyph_poly_chroma2)
glyph_poly = unary_union(
[glyph_poly, glyph_poly_chroma1, glyph_poly_chroma2])
vsk.strokeWeight(1)
vsk.stroke(1)
vsk.noFill()
glyph_shadow = None
if self.glyph_shadow:
angle = self.glyph_chroma_angle / 180.0 * math.pi
glyph_shadow = translate(
glyph_poly,
self.glyph_chroma_offset * math.cos(angle),
self.glyph_chroma_offset * math.sin(angle),
).difference(glyph_poly)
vsk.fill(3)
vsk.stroke(3)
vsk.geometry(glyph_shadow)
vsk.noFill()
vsk.stroke(1)
glyph_poly = glyph_poly.union(glyph_shadow)
if self.glyph_weight == 1:
glyph_poly_ext = glyph_poly.buffer(
self.glyph_space,
join_style=JOIN_STYLE.mitre,
)
glyph_poly_int = glyph_poly.buffer(
-self.glyph_space_inside,
join_style=JOIN_STYLE.mitre,
)
else:
buf_len = (self.glyph_weight - 1) / 2 * self.pen_width
glyph_poly_ext = glyph_poly.buffer(
buf_len * 2 + self.glyph_space,
join_style=JOIN_STYLE.mitre,
)
glyph_poly_int = glyph_poly.buffer(
-buf_len - self.glyph_space_inside,
join_style=JOIN_STYLE.mitre,
)
if glyph_shadow is not None:
glyph_poly_int = glyph_poly_int.difference(glyph_shadow)
# horizontal stripes
if self.draw_h_stripes:
count = round(
(vsk.height - 2 * self.margin) / self.h_stripes_pitch)
corrected_pitch = (vsk.height - 2 * self.margin) / count
hstripes = MultiLineString([[
(self.margin, self.margin + i * corrected_pitch),
(vsk.width - self.margin, self.margin + i * corrected_pitch),
] for i in range(count + 1)])
vsk.geometry(hstripes.difference(glyph_poly_ext))
if self.h_stripes_inside:
inside_stripes = translate(hstripes, 0, corrected_pitch /
2).intersection(glyph_poly_int)
vsk.geometry(inside_stripes)
if self.h_stripes_inside_chroma:
chroma_offset = math.sqrt(2) * self.pen_width
vsk.stroke(2)
vsk.geometry(
translate(inside_stripes, -chroma_offset,
-chroma_offset))
vsk.stroke(3)
vsk.geometry(
translate(inside_stripes, chroma_offset,
chroma_offset))
vsk.stroke(1)
# concentric
if self.draw_concentric:
circle_count = int(
math.ceil(
math.hypot(vsk.width, vsk.height) / 2 /
self.concentric_pitch))
circles = unary_union([
Point(vsk.width / 2, vsk.height / 2).buffer(
(i + 1) * self.concentric_pitch,
resolution=int(1 * (i + 1) * self.concentric_pitch),
).exterior for i in range(circle_count)
])
vsk.geometry(
circles.difference(glyph_poly_ext).intersection(
box(
self.margin,
self.margin,
vsk.width - self.margin,
vsk.height - self.margin,
)))
# dots
vsk.fill(1)
if self.draw_dots or self.draw_cut_circles:
v_pitch = self.pitch * math.tan(math.pi / 3) / 2
h_count = int((vsk.width - 2 * self.margin) // self.pitch)
v_count = int((vsk.height - 2 * self.margin) // v_pitch)
h_offset = (vsk.width - h_count * self.pitch) / 2
v_offset = (vsk.height - v_count * v_pitch) / 2
dot_array = []
for j in range(v_count + 1):
odd_line = j % 2 == 1
for i in range(h_count + (0 if odd_line else 1)):
dot = Point(
h_offset + i * self.pitch +
(self.pitch / 2 if odd_line else 0),
v_offset + j * v_pitch,
).buffer(self.thickness / 2)
if self.draw_dots:
if not dot.buffer(
self.thickness / 2).intersects(glyph_poly_ext):
dot_array.append(dot)
else:
dot_array.append(dot)
dots = unary_union(dot_array)
if self.draw_dots:
vsk.geometry(dots)
if self.draw_cut_circles:
if self.cut_circles_inside:
op_func = lambda geom: geom.intersection(glyph_poly_int)
else:
op_func = lambda geom: geom.difference(glyph_poly_ext)
vsk.geometry(op_func(dots))
if self.cut_circle_chroma:
angle = math.pi / 6
dist = self.pitch * 0.1
vsk.fill(2)
vsk.stroke(2)
vsk.geometry(
op_func(
translate(dots, -dist * math.cos(angle), -dist *
math.sin(angle)).difference(dots)))
vsk.fill(3)
vsk.stroke(3)
vsk.geometry(
op_func(
translate(dots, dist * math.cos(angle),
dist *
math.sin(angle)).difference(dots)))
vsk.fill(1)
vsk.stroke(1)
vsk.stroke(4) # apply line sort, see finalize()
if self.draw_dot_matrix:
h_count = int(
(vsk.width - 2 * self.margin) // self.dot_matrix_pitch) + 1
v_count = int(
(vsk.height - 2 * self.margin) // self.dot_matrix_pitch) + 1
h_pitch = (vsk.width - 2 * self.margin) / (h_count - 1)
v_pitch = (vsk.height - 2 * self.margin) / (v_count - 1)
mp = MultiPoint([
(self.margin + i * h_pitch, self.margin + j * v_pitch)
for i, j in itertools.product(range(h_count), range(v_count))
if vsk.random(1) < self.dot_matrix_density
])
if self.draw_dot_matrix_inside:
mp = mp.intersection(glyph_poly_int)
else:
mp = mp.difference(glyph_poly_ext)
vsk.geometry(mp)
vsk.vpype("color -l4 black")
vsk.vpype("color -l1 black color -l2 cyan color -l3 magenta")
