TrafficLight: Add param for number of lights
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@ -25,18 +25,18 @@ class ShadyEdge(edges.BaseEdge):
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h = self.h
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a = math.atan(s/h)
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angle = math.degrees(a)
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for i in range(3):
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for i in range(self.n):
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self.polyline(0, -angle, h / math.cos(a), angle+90)
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self.edges["f"](s)
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self.corner(-90)
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if i < 2:
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if i < self.n-1:
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self.edge(self.thickness)
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def margin(self):
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return self.shades
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class TrafficLight(Boxes): # change class name here and below
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"""Traffic light with 3 lights"""
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"""Traffic light"""
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def __init__(self):
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Boxes.__init__(self)
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@ -52,17 +52,20 @@ class TrafficLight(Boxes): # change class name here and below
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self.argparser.add_argument(
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"--shades", action="store", type=float, default=50,
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help="depth of the shaders")
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self.argparser.add_argument(
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"--n", action="store", type=int, default=3,
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help="number of lights")
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def backCB(self):
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t = self.thickness
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for i in range(1,3):
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for i in range(1, self.n):
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self.fingerHolesAt(i*(self.h+t)-0.5*t, 0, self.h)
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def sideCB(self):
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t = self.thickness
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for i in range(1,3):
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for i in range(1, self.n):
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self.fingerHolesAt(i*(self.h+t)-0.5*t, 0, self.depth)
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for i in range(3):
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for i in range(self.n):
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self.fingerHolesAt(i*(self.h+t),
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self.depth-2*t, self.h, 0)
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@ -71,11 +74,11 @@ class TrafficLight(Boxes): # change class name here and below
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def render(self):
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# adjust to the variables you want in the local scope
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d, h = self.depth, self.h
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d, h, n = self.depth, self.h, self.n
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s = self.shades
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t = self.thickness
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th = 3 * h + 2*t
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th = n * (h + t) - t
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# Initialize canvas
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self.open()
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@ -88,12 +91,12 @@ class TrafficLight(Boxes): # change class name here and below
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e = edges.CompoundEdge(self, "fF", (d, s))
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e2 = edges.CompoundEdge(self, "Ff", (s, d))
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for i in range(3):
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for i in range(n):
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self.rectangularWall(h, d+s, ['f', e, 'e', e2],
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move="right" if i<2 else "right up")
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for i in range(3):
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move="right" if i<n-1 else "right up")
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for i in range(n):
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self.rectangularWall(h, h, "ffff", callback=[self.frontCB],
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move="left" if i<2 else "left up")
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move="left" if i<n-1 else "left up")
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self.rectangularWall(h, d, "ffef")
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self.close()
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