kopia lustrzana https://github.com/villares/sketch-a-day
76 wiersze
3.1 KiB
Python
76 wiersze
3.1 KiB
Python
from random import choice
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from arcs import quarter_circle, half_circle, circle_arc
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class Node():
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nodes = []
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def __init__(self, x, y):
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self.x = Node.border + Node.spacing / 2. + x * Node.spacing - width / 2.
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self.y = Node.border + Node.spacing / 2. + y * Node.spacing - height / 2.
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self.size_ = 1
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self.rot0 = choice((0, HALF_PI)) #, PI, PI + HALF_PI))
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self.rot1 = choice((HALF_PI , PI)) #, PI + HALF_PI))
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self.type = choice(("a", "c", "b", "c", "d", "d", "e" ))
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def plot(self, ang):
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""" draws node """
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with pushMatrix():
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translate(self.x, self.y)
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rotate(self.rot1)
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noFill() #stroke(0)
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siz = Node.spacing * self.size_
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t = 5 * cos(ang)
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l = siz / 2.
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a = l / 2. - t
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c = l / 2. + t
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# stroke(0, 0, 200, 50)
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# rect(0, 0, siz, siz)
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stroke(0, 50, 100)
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for i in range(-4, 5, 4): # (-28, 29, 7):
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stroke((frameCount + i * 8) % 256, 255, 255)
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if self.type == "a":
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#quarter_circle(l, l, siz - c + i, TOP + LEFT)
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#quarter_circle(l, -l, siz - c + i, BOTTOM + LEFT)
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i *= -1
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quarter_circle(l, l, c + i, TOP + LEFT)
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quarter_circle(-l, -l, c + i, BOTTOM + RIGHT)
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quarter_circle(-l, l, c + i, TOP + RIGHT)
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quarter_circle(l, -l, c + i, BOTTOM + LEFT)
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elif self.type == "b":
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half_circle(-l, 0, a + i, RIGHT)
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half_circle(l, 0, a + i, LEFT)
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half_circle(0, l, a + i, TOP)
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half_circle(0, -l, a + i, BOTTOM)
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elif self.type == "c":
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half_circle(l, 0, a + i, LEFT)
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half_circle(-l, 0, a + i, RIGHT)
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line(a + i, -l, a + i, l)
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i *= -1
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line(-a + i, -l, -a + i, l)
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elif self.type == "d":
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quarter_circle(-l, l, siz - c + i, TOP + RIGHT)
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quarter_circle(l, -l, siz - c + i, BOTTOM + LEFT)
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i *= -1
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quarter_circle(-l, l, c + i, TOP + RIGHT)
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quarter_circle(l, -l, c + i, BOTTOM + LEFT)
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else:
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line(-l, a + i, l, a + i)
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line(a + i, -l, a + i, l)
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i *= -1
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line(-l, -a + i, l, -a + i)
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line(-a + i, -l, -a + i, l)
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@classmethod
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def init_grid(cls, grid_size, border):
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cls.border = border
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cls.spacing = (width - cls.border * 2) / grid_size
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cls.nodes = []
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for x in range(grid_size):
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for y in range(grid_size):
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new_node = cls(x, y)
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cls.nodes.append(new_node)
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