def draw():
background(0.95, 0.95, 0.95, 1.0)
color(0, 0, 0, 1)
walkers = []
index = 0
angle = (math.pi * 2) / 90.0
pos = vec2([100, 100])
dir = vec2([1, 1])
x, y = pos[0], pos[1]
walkers.append(Line(x, y, x, y, 0, dir, angle * 180.0 / math.pi, -1))
line_length = 20
depth = -1
for i in range(3000):
if i != 0:
if stop_drawing is True:
connect = random.randint(0, i - 1)
pos = walkers[connect].get_lerp(random.uniform(0.25, 0.75))
dist = math.hypot(walkers[i - 1].p0[0] - center_x,
walkers[i - 1].p0[1] - center_y)
c = vec2([center_x, center_y])
dir = ((walkers[i - 1].p0 - c) / dist) * -1.0
x, y = pos[0], pos[1]
walkers.append(
Line(x, y, x, y, i, dir, angle * 180.0 / math.pi, connect))
walkers[i].change_dir(walkers[i].dir)
line_length = 10
index = index + 1
else:
pos = walkers[i - 1].p1
dir = walkers[i - 1].dir
x, y = pos[0], pos[1]
walkers.append(
Line(x, y, x, y, i, dir, angle * 180.0 / math.pi, -1))
walkers[i].change_dir(walkers[i - 1].dir)
if index > 400:
break
stop_drawing = False
while walkers[i].get_length() < line_length:
walkers[i].update()
for w in walkers:
if walkers[i].id != w.id and walkers[
i - 1].id != w.id and walkers[i].connect != w.id:
if walkers[i].intersect(w.p0, w.p1) or walkers[i].edges():
stop_drawing = True
break
if stop_drawing:
break
walkers[i].draw()
stroke()
def draw():
background(0.95, 0.95, 0.95, 1.0)
color(0, 0, 0, 1)
border = 50
border_sQ = border * 2
num_lines = 18
y_step = float((height - border_sQ) / num_lines)
x_step = float((width - border_sQ) / num_lines)
y_offset = y_step / 2.0
x_offset = x_step / 2.0
un_offset = 10
my_lines = []
for i in range(num_lines):
for j in range(num_lines - 1):
if j == 0:
p1 = vec2([
x_step * j + x_offset +
random.uniform(-x_offset, x_offset) + border, y_step * i +
y_offset + random.uniform(-y_offset, y_offset) + border
])
p2 = vec2([
x_step * (j + 1) + x_offset +
random.uniform(-x_offset, x_offset) + border, y_step * i +
y_offset + random.uniform(-y_offset, y_offset) + border
])
my_lines.append(Line(p1[0], p1[1], p2[0], p2[1]))
else:
p1 = vec2([
my_lines[(j + (num_lines - 1) * i) - 1].p1[0],
my_lines[(j + (num_lines - 1) * i) - 1].p1[1]
])
p2 = vec2([
x_step * (j + 1) + x_offset +
random.uniform(-x_offset, x_offset) + border, y_step * i +
y_offset + random.uniform(-y_offset, y_offset) + border
])
my_lines.append(Line(p1[0], p1[1], p2[0], p2[1]))
index = 0
for i in range(num_lines):
index = index + 1
for j in range(num_lines - 1):
if i != 0:
lerp_lines = int(map(i, 0, num_lines, 1, 12)) + 1
for k in range(lerp_lines):
p0 = my_lines[(j + (num_lines - 1) * (i - 1))].get_lerp(
math.pow(map(k, 0, lerp_lines - 1, 0, 1), 1))
p1 = my_lines[(j + (num_lines - 1) * i)].get_lerp(
math.pow(map(k, 0, lerp_lines - 1, 0, 1), 1))
Line(p0[0], p0[1], p1[0], p1[1]).draw()
stroke()
for line in my_lines:
line.draw()
stroke()
def draw():
background(0.95, 0.95, 0.95, 1.0)
grid_size = 3
border = 40
x_step = (width-(border*2)) / float(grid_size)
y_step = (height-(border*2)) / float(grid_size)
x_offset = x_step / 2.0
y_offset = y_step / 2.0
for y in range(grid_size):
for x in range(grid_size):
x_pos = x_step * x + x_offset + border
y_pos = y_step * y + y_offset + border
my_lines = []
num_lines = 180
angle = (2*math.pi) / float(num_lines)
center_x = width / 2.0
center_y = height / 2.0
center = vec2([x_pos, y_pos])
circle_size = (x_step / 2.0) - 10
order = []
for i in range(num_lines):
order.append(i)
random.shuffle(order)
for i in range(num_lines):
index = order[i]
pos = vec2([
(math.cos(angle*index) * (circle_size-0.1))+center[0],
(math.sin(angle*index) * (circle_size-0.1))+center[1]
])
dir = (pos - vec2([center_x, center_y])) * -1.0
my_lines.append(Line(pos, dir, i))
my_lines[i].change_dir(dir)
while my_lines[i].get_dist_from_center(center) < circle_size:
my_lines[i].update()
stop_drawing = False
for line in my_lines:
if line.id != my_lines[i].id:
if my_lines[i].intersect(line.p0, line.p1):
stop_drawing = True
break
if stop_drawing:
break
for line in my_lines:
if line.get_length() > 0:
line.draw()
def draw():
background(0.95, 0.95, 0.95, 1.0)
num_walkers = random.randint(100, 200)
walkers = []
x_step = float((width - 100)) / num_walkers
amt = random.uniform(0.075, 0.15)
amt_step = random.randint(15, 80)
start_dist = random.randint(10, 150)
index = 0
count = 0
for i in range(num_walkers):
x = float((x_step * i) + 50.0)
pos = vec2([float(x), float(50.0)])
angle = math.radians(0)
dirs = vec2([math.sin(angle), math.cos(angle)])
walkers.append(Line(pos, dirs, i))
walk = True
while walk:
if count % amt_step == 0:
r = random.uniform(0, 1)
if r < amt and walkers[index].p0[1] > start_dist:
dirs = get_direction()
walkers.append(Line(walkers[index].p1, dirs, i))
index = index + 1
else:
angle = math.radians(0)
dirs = vec2([math.sin(angle), math.cos(angle)])
walkers.append(Line(walkers[index].p1, dirs, i))
index = index + 1
walkers[index].extend_line()
hit_line = False
for w in walkers:
if walkers[index].id != w.id:
intersect = walkers[index].line_intersect(w.p0, w.p1)
if intersect:
hit_line = True
hit_edge = walkers[index].edges()
if hit_edge or hit_line:
walk = False
count = count + 1
index = index + 1
for walker in walkers:
walker.draw()
def __init__(self, x1, y1, x2, y2, id, dir, angle, connect):
super().__init__(x1, y1, x2, y2)
self.p1 = vec2([x1, y1])
self.id = id
self.dir = dir
self.angle = angle
self.connect = connect
def line_intersect(self, p2, p3):
A1 = self.p1[1] - self.p0[1]
B1 = self.p0[0] - self.p1[0]
C1 = A1 * self.p0[0] + B1 * self.p0[1]
A2 = p3[1] - p2[1]
B2 = p2[0] - p3[0]
C2 = A2 * p2[0] + B2 * p2[1]
denom = A1 * B2 - A2 * B1
if denom == 0:
return False
intersect_x = (B2 * C1 - B1 * C2) / denom
intersect_y = (A1 * C2 - A2 * C1) / denom
rx0 = (intersect_x - self.p0[0]) / (self.p1[0] - self.p0[0])
ry0 = (intersect_y - self.p0[1]) / (self.p1[1] - self.p0[1])
rx1 = (intersect_x - p2[0]) / (p3[0] - p2[0])
ry1 = (intersect_y - p2[1]) / (p3[1] - p2[1])
if(((rx0 >= 0 and rx0 <= 1) or (ry0 >= 0 and ry0 <= 1)) and \
((rx1 >= 0 and rx1 <= 1) or (ry1 >= 0 and ry1 <= 1))):
self.intersect = vec2([intersect_x, intersect_y])
return True
else:
return False
def __init__(self, p0, dir, id):
self.id = id
self.p0 = p0
self.p1 = p0
self.dir = dir
self.intersect = vec2([0.0, 0.0])
self.count = 0
def draw():
background(0.95, 0.95, 0.95, 1.0)
color(0, 0, 0, 1)
connector_lines = []
num_lines_x = 20
num_lines_y = 3
x_step = float((width - 100) // num_lines_x)
y_step = float(height // num_lines_y)
x_offset = (x_step // 2) + 50
y_offset = y_step // 2
for h in range(num_lines_y):
for i in range(num_lines_x):
x = x_step * i + x_offset
y = y_step * h + y_offset
yy = random.randint(25, 100)
p0 = vec2([
x + random.uniform(-(x_step // 2) + 10, (x_step // 2) + 10),
random.uniform(y - 50, y + 50) + yy
])
p1 = vec2([
x + random.uniform(-(x_step // 2) + 10, (x_step // 2) + 10),
random.uniform(y - 50, y + 50) - yy
])
connector_lines.append(Line(p0[0], p0[1], p1[0], p1[1]))
if i != 0:
num_lines = 21
l1 = i + num_lines_x * h
l2 = (i + num_lines_x * h) + 1
while l2 == l1:
l2 = random.randint(0, len(connector_lines))
for j in range(num_lines + 1):
p0 = connector_lines[l1 - 1].get_lerp(
math.pow(map(j, 0, num_lines, 0, 1), 1))
p1 = connector_lines[l2 - 1].get_lerp(
math.pow(map(j, 0, num_lines, 0, 1), 1))
Line(p0[0], p0[1], p1[0], p1[1])
stroke()
def change_dir(self):
self.count = self.count + 1
if self.count % 40 == 0:
angle = math.radians(random.randint(45, 135))
dir = vec2([math.sin(angle), math.cos(angle)])
self.dir = dir
return True
else:
return False
def get_direction():
num_angles = 2
r = int(random.uniform(0, num_angles))
angle_step = [0, 45]
for i in range(num_angles):
if i == r:
angle = math.radians(angle_step[i])
dirs = vec2([math.sin(angle), math.cos(angle)])
return dirs
def change_dir(self, a):
current_angle = math.atan2(a[1], a[0]) * 180 / math.pi
new_dir = 90
b = random.randint(0, 2)
if b == 0:
new_dir = 0
elif b == 1:
new_dir = 22.5 / 2.0
else:
new_dir = -(22.5 / 2.0)
angle = math.radians(current_angle + new_dir)
dir = vec2([math.cos(angle), math.sin(angle)])
self.dir = dir
def change_dir(self, a):
current_angle = math.atan2(a[1], a[0]) * 180 / math.pi
new_dir = random.randint(-15, 15)
angle = math.radians(current_angle + new_dir)
d = vec2([math.cos(angle), math.sin(angle)])
self.dir = d