boxespy/flexbox2.py

80 lines
2.4 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):
self.x = x
self.y = y
self.z = z
self.r = r or min(x, y)/2.0
self.c4 = c4 = math.pi * r * 0.5
self.latchsize = 8*thickness
width = 2*x + y - 3*r + 2*c4 + 6*thickness + self.latchsize # lock
height = y + z + 8*thickness
boxes.Boxes.__init__(self, width, height, thickness=thickness)
@boxes.restore
def flexBoxSide(self, x, y, r, callback=None):
self.cc(callback, 0)
self.fingerJoint(x)
self.corner(90, 0)
self.cc(callback, 1)
self.fingerJoint(y-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.fingerJoint(y-r-self.latchsize)
self.corner(90)
def surroundingWall(self):
x, y, z, r = self.x, self.y, self.z, self.r
self.fingerJoint(y-r, False)
self.flex(self.c4, z+2*self.thickness)
self.edge(x-2*r)
self.flex(self.c4, z+2*self.thickness)
self.latch(self.latchsize, False)
self.edge(z+2*self.thickness)
self.latch(self.latchsize, False, True)
self.edge(self.c4)
self.edge(x-2*r)
self.edge(self.c4)
self.fingerJoint(y-r, False)
self.corner(90)
self.edge(self.thickness)
self.fingerJoint(z)
self.edge(self.thickness)
self.corner(90)
def render(self):
self.moveTo(2*self.thickness, self.thickness)
self.ctx.save()
self.surroundingWall()
self.moveTo(self.x+self.y-3*self.r+2*self.c4+self.latchsize+1*self.thickness, 0)
self.rectangularWall(self.x, self.z, edges="FFFF")
self.ctx.restore()
self.moveTo(0, 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.scale(-1, 1)
self.moveTo(2*self.thickness, 0)
self.rectangularWall(self.z, self.y-self.r-self.latchsize, edges="fFeF")
self.ctx.stroke()
self.surface.flush()
if __name__=="__main__":
b = FlexBox(200, 200, 200, r=50)
b.render()