kopia lustrzana https://github.com/villares/sketch-a-day
124 wiersze
3.8 KiB
Python
124 wiersze
3.8 KiB
Python
# Alexandre B A Villares - https://abav.lugaralgum.com/sketch-a-day
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SKETCH_NAME = "s299" # 20181024
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OUTPUT = ".png"
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GRID_SIZE = 16
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from line_geometry import edges
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from line_geometry import Line
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from line_geometry import inter_lines
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def setup():
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global xo, yo
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size(500, 500)
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init_grid(GRID_SIZE)
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def draw():
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background(200)
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for c in Cell.cells:
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c.plot()
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def init_grid(grid_size):
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Cell.border = 50
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Cell.spacing = (width - Cell.border * 2) / grid_size
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Cell.cells = []
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for x in range(0, grid_size, 2):
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for y in range(0, grid_size, 2):
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new_cell = Cell(x, y)
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Cell.cells.append(new_cell)
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Cell.grid[x, y] = new_cell
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Node.nodes = []
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for x in range(-1, grid_size+1, 2):
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for y in range(-1, grid_size+1, 2):
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new_node = Node(x, y)
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#Cell.cells.append(new_node) # mudar!
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Cell.grid[x, y] = new_node # extrarir do dict
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for c in Cell.cells:
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c.update_vers()
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class Node():
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nodes = []
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grid = dict()
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def __init__(self, x, y):
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self.ix = x
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self.iy = y
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self.px = Cell.border + Cell.spacing + x * Cell.spacing
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self.py = Cell.border + Cell.spacing + y * Cell.spacing
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self.px += random(-10, 10)
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self.py += random(-10, 10)
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self.x = self.px
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self.y = self.py
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self.v = PVector(self.x, self.y)
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class Cell():
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cells = []
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grid = dict()
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vers = []
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def __init__(self, x, y):
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self.ix = x
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self.iy = y
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self.px = Cell.border + Cell.spacing / 2 + x * Cell.spacing
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self.py = Cell.border + Cell.spacing / 2 + y * Cell.spacing
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self.vers = []
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def plot(self):
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if len(self.vers) > 1:
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for n0, n1 in edges(self.vers):
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line(n0.px, n0.py, n1.px, n1.py)
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for l in self.lines:
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l.plot()
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# s = 10 #int(random(10, 20))
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# for i in range(1, s + 1):
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# a = self.v0.v.lerp(self.v1.v, i/s)
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# ellipse(a.x, a.y, 10, 10)
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def update_vers(self):
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self.v0 = Cell.grid.get((self.ix-1, self.iy-1))
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self.v1 = Cell.grid.get((self.ix-1, self.iy+1))
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self.v3 = Cell.grid.get((self.ix+1, self.iy-1))
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self.v2 = Cell.grid.get((self.ix+1, self.iy+1))
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self.vers = [v for v in [self.v0, self.v1, self.v2, self.v3] if v]
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self.hatch()
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def hatch(self):
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poly_points = self.vers
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# min_, max_ = min_max(poly_points)
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self.lines = []
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s = int(random(10, 20))
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# for i in range(1, s + 1):
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# a = self.v0.v.lerp(self.v1.v, i/s)
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# ellipse(a.x, a.y, 3, 3)
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if random(10) > 5:
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for y in range(-height, height*2, int(random(3, 7))):
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a = PVector(-width, y + self.v0.y)
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b = PVector(width*2, y - self.v1.y)
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lines = inter_lines(Line(a, b), poly_points)
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for l in lines:
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self.lines.append(l)
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else:
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for x in range(-width, width*2, int(random(3, 7))):
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a = PVector(x + self.v0.x, -height)
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b = PVector(x - self.v1.x, height*2,)
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lines = inter_lines(Line(a, b), poly_points)
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for l in lines:
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self.lines.append(l)
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def keyPressed():
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if key == "n":
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init_grid(GRID_SIZE)
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if key == "s": saveFrame("###.png")
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# print text to add to the project's README.md
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def settings():
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println(
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"""
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{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)]
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""".format(SKETCH_NAME, SKETCH_NAME[1:], OUTPUT)
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)
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