78 lines
2.3 KiB
Python
Executable File
78 lines
2.3 KiB
Python
Executable File
#!/usr/bin/python
|
|
|
|
import boxes
|
|
import math
|
|
|
|
class FlexBox(boxes.Boxes):
|
|
def __init__(self, x, y, z, r=None, thickness=3.0):
|
|
c4 = math.pi * r * 0.5
|
|
self.x = x
|
|
self.y = y
|
|
self.z = z
|
|
self.r = r or min(x, y)/2.0
|
|
self.latchsize = 8*thickness
|
|
|
|
width = 2*x + 2*y - 8*r + 4*c4 + 4*thickness
|
|
height = y + z + 40
|
|
boxes.Boxes.__init__(self, width, height, thickness=thickness)
|
|
|
|
@boxes.restore
|
|
def flexBoxSide(self, x, y, r, callback=None):
|
|
self.moveTo(r, 0)
|
|
for i, l in zip(range(2), (x, y)):
|
|
self.cc(callback, i)
|
|
self.fingerJointEdge(l-2*r)
|
|
self.corner(90, r)
|
|
self.cc(callback, 2)
|
|
self.edge(x-2*r)
|
|
self.corner(90, r)
|
|
self.cc(callback, 3)
|
|
self.latch(self.latchsize)
|
|
self.cc(callback, 4)
|
|
self.fingerJointEdge(y-2*r-self.latchsize)
|
|
self.corner(90, r)
|
|
|
|
def surroundingWall(self):
|
|
x, y, z, r = self.x, self.y, self.z, self.r
|
|
|
|
c4 = math.pi * r * 0.5
|
|
|
|
self.edges["F"](y-2*r-self.latchsize, False)
|
|
self.flexEdge(c4, z+2*self.thickness)
|
|
self.edges["F"](x-2*r, False)
|
|
self.flexEdge(c4, z+2*self.thickness)
|
|
self.edges["F"](y-2*r, False)
|
|
self.flexEdge(c4, z+2*self.thickness)
|
|
self.edge(x-2*r)
|
|
self.flexEdge(c4, z+2*self.thickness)
|
|
self.latch(self.latchsize, False)
|
|
self.edge(z+2*self.thickness)
|
|
self.latch(self.latchsize, False, True)
|
|
self.edge(c4)
|
|
self.edge(x-2*r)
|
|
self.edge(c4)
|
|
self.edges["F"](y-2*r, False)
|
|
self.edge(c4)
|
|
self.edges["F"](x-2*r, False)
|
|
self.edge(c4)
|
|
self.edges["F"](y-2*r-self.latchsize, False)
|
|
self.corner(90)
|
|
self.edge(z+2*self.thickness)
|
|
self.corner(90)
|
|
|
|
def render(self):
|
|
self.moveTo(self.thickness, self.thickness)
|
|
self.surroundingWall()
|
|
self.moveTo(self.thickness, self.z+4*self.thickness)
|
|
self.flexBoxSide(self.x, self.y, self.r)
|
|
self.moveTo(2*self.x+3*self.thickness, 0)
|
|
self.ctx.scale(-1, 1)
|
|
self.flexBoxSide(self.x, self.y, self.r)
|
|
self.ctx.stroke()
|
|
self.surface.finish()
|
|
|
|
|
|
if __name__=="__main__":
|
|
b = FlexBox(200, 200, 200, r=50)
|
|
b.render()
|