sketch-a-day/2018/s302/s302.pyde

121 wiersze
3.4 KiB
Python

# Alexandre B A Villares - https://abav.lugaralgum.com/sketch-a-day
SKETCH_NAME = "s302" # 20181027
OUTPUT = ".png"
GRID_SIZE = 24
from line_geometry import Line
from line_geometry import par_hatch
def setup():
global xo, yo
size(500, 500)
init_grid(GRID_SIZE)
def draw():
background(200)
for c in Cell.cells:
c.plot()
def init_grid(grid_size):
Cell.border = 50
Cell.spacing = (width - Cell.border * 2) / grid_size
Cell.cells = []
for x in range(0, grid_size, 2):
for y in range(0, grid_size, 2):
new_cell = Cell(x, y)
Cell.cells.append(new_cell)
Cell.grid[x, y] = new_cell
Node.nodes = []
for x in range(-1, grid_size+1, 2):
for y in range(-1, grid_size+1, 2):
new_node = Node(x, y)
#Cell.cells.append(new_node) # mudar!
Cell.grid[x, y] = new_node # extrarir do dict
for c in Cell.cells:
c.update_vers()
class Node():
nodes = []
grid = dict()
def __init__(self, x, y):
self.ix = x
self.iy = y
self.px = Cell.border + Cell.spacing + x * Cell.spacing
self.py = Cell.border + Cell.spacing + y * Cell.spacing
# if x/2 % 3: self.px += random(-10, 10)
# if y/2 % 3: self.py += random(-10, 10)
self.px += random(-10, 10)
self.py += random(-10, 10)
self.x = self.px
self.y = self.py
self.v = PVector(self.x, self.y)
class Cell():
cells = []
grid = dict()
vers = []
def __init__(self, x, y):
self.ix = x
self.iy = y
self.px = Cell.border + Cell.spacing / 2 + x * Cell.spacing
self.py = Cell.border + Cell.spacing / 2 + y * Cell.spacing
self.vers = []
def plot(self):
stroke(0)
strokeWeight(1)
for l in self.lines:
stroke(0)
l.plot()
beginShape()
noFill()
stroke(0)
strokeWeight(2)
for p in self.vers:
vertex(p.x, p.y)
endShape(CLOSE)
def update_vers(self):
self.v0 = Cell.grid.get((self.ix-1, self.iy-1))
self.v1 = Cell.grid.get((self.ix-1, self.iy+1))
self.v3 = Cell.grid.get((self.ix+1, self.iy-1))
self.v2 = Cell.grid.get((self.ix+1, self.iy+1))
if random(10) > 2:
self.vers = [self.v0, self.v1, self.v2, self.v3]
elif random(2) > 1:
self.vers = [self.v0, self.v1, self.v1, self.v3]
else:
self.vers = [self.v0, self.v2, self.v2, self.v3]
self.hatch()
def hatch(self):
poly_points = self.vers
# min_, max_ = min_max(poly_points)
self.lines = []
n = int(random(5, 12))
r = random(10)
if r > 5:
self.lines.extend(par_hatch(poly_points, n, 0))
if r < 6:
self.lines.extend(par_hatch(poly_points, n, 1))
def keyPressed():
if key == "n":
init_grid(GRID_SIZE)
if key == "s": saveFrame("###.png")
# print text to add to the project's README.md
def settings():
println(
"""
![{0}]({0}/{0}{2})
{1}: [code](https://github.com/villares/sketch-a-day/tree/master/{0}) [[Py.Processing](https://villares.github.io/como-instalar-o-processing-modo-python/index-EN)]
""".format(SKETCH_NAME, SKETCH_NAME[1:], OUTPUT)
)