kopia lustrzana https://github.com/villares/sketch-a-day
112 wiersze
3.1 KiB
Python
112 wiersze
3.1 KiB
Python
# Alexandre B A Villares - https://abav.lugaralgum.com/sketch-a-day
|
|
from __future__ import division
|
|
SKETCH_NAME, OUTPUT = "sketch_190401b", ".gif"
|
|
|
|
"""
|
|
Hmmm
|
|
"""
|
|
|
|
from random import choice
|
|
from arcs import poly_filleted
|
|
add_library('GifAnimation')
|
|
from gif_exporter import gif_export
|
|
|
|
SPACING, MARGIN = 100, 100
|
|
X_LIST, Y_LIST = [], [] # listas de posições para elementos
|
|
rad_list = list(range(5, 50, 10))
|
|
|
|
def setup():
|
|
size(500, 500)
|
|
X_LIST[:] = [x for x in range(MARGIN, 1 + width - MARGIN, SPACING)]
|
|
Y_LIST[:] = [y for y in range(MARGIN, 1 + height - MARGIN, SPACING)]
|
|
create_list()
|
|
|
|
def create_list():
|
|
global p_list
|
|
p_list = []
|
|
for r in rad_list:
|
|
new_p = PVector(choice(X_LIST), choice(Y_LIST))
|
|
while new_p in p_list:
|
|
new_p = PVector(choice(X_LIST), choice(Y_LIST))
|
|
p_list.append(new_p)
|
|
|
|
def draw():
|
|
background(200)
|
|
noFill()
|
|
strokeWeight(5)
|
|
stroke(255)
|
|
poly_filleted(p_list) # , rad_list)
|
|
strokeWeight(2)
|
|
stroke(0)
|
|
for _ in rad_list:
|
|
poly_arc_augmented(p_list, rad_list)
|
|
rad_list[:] = [rad_list[-1]] + rad_list[:-1]
|
|
|
|
def poly_arc_augmented(p_list, r_list):
|
|
a_list = []
|
|
for i1 in range(len(p_list)):
|
|
i2 = (i1 + 1) % len(p_list)
|
|
p1, p2, r1, r2 = p_list[i1], p_list[i2], r_list[i1], r_list[i2]
|
|
a = circ_circ_tangent(p1, p2, r1, r2)
|
|
a_list.append(a)
|
|
# ellipse(p1.x, p1.y, 2, 2)
|
|
|
|
for i1 in range(len(a_list)):
|
|
i2 = (i1 + 1) % len(a_list)
|
|
p1, p2, r1, r2 = p_list[i1], p_list[i2], r_list[i1], r_list[i2]
|
|
#ellipse(p1.x, p1.y, r1 * 2, r1 * 2)
|
|
a1 = a_list[i1]
|
|
a2 = a_list[i2]
|
|
if a1 and a2:
|
|
start = a1 if a1 < a2 else a1 - TWO_PI
|
|
arc(p2.x, p2.y, r2 * 2, r2 * 2, start, a2)
|
|
else:
|
|
# println((a1, a2))
|
|
ellipse(p1.x, p1.y, r1 * 2, r1 * 2)
|
|
ellipse(p2.x, p2.y, r2 * 2, r2 * 2)
|
|
|
|
|
|
def circ_circ_tangent(p1, p2, r1, r2):
|
|
d = dist(p1.x, p1.y, p2.x, p2.y)
|
|
ri = r1 - r2
|
|
line_angle = atan2(p1.x - p2.x, p2.y - p1.y)
|
|
if d > abs(ri):
|
|
theta = asin(ri / float(d))
|
|
|
|
x1 = cos(line_angle - theta) * r1
|
|
y1 = sin(line_angle - theta) * r1
|
|
x2 = cos(line_angle - theta) * r2
|
|
y2 = sin(line_angle - theta) * r2
|
|
# line(p1.x - x1, p1.y - y1, p2.x - x2, p2.y - y2)
|
|
|
|
x1 = -cos(line_angle + theta) * r1
|
|
y1 = -sin(line_angle + theta) * r1
|
|
x2 = -cos(line_angle + theta) * r2
|
|
y2 = -sin(line_angle + theta) * r2
|
|
line(p1.x - x1, p1.y - y1, p2.x - x2, p2.y - y2)
|
|
return (line_angle + theta)
|
|
else:
|
|
line(p1.x, p1.y, p2.x, p2.y)
|
|
return None
|
|
|
|
|
|
def keyPressed():
|
|
if key in "gG":
|
|
gif_export(GifMaker, filename=SKETCH_NAME, delay=1200)
|
|
if key == " ":
|
|
create_list()
|
|
if key == "r":
|
|
pass
|
|
|
|
|
|
|
|
# print text to add to the project's README.md
|
|
def settings():
|
|
println(
|
|
"""
|
|
|
|
|
|
[{0}](https://github.com/villares/sketch-a-day/tree/master/2019/{0}) [[Py.Processing](https://villares.github.io/como-instalar-o-processing-modo-python/index-EN)]
|
|
""".format(SKETCH_NAME, OUTPUT)
|
|
)
|