boxespy/flexbox3.py

126 lines
3.8 KiB
Python
Raw Normal View History

2013-09-01 01:59:24 +02:00
#!/usr/bin/python
from boxes import *
import math
class FlexBox(Boxes):
def __init__(self, x, y, z, r=None, d=1.0, h=5.0, thickness=3.0):
self.x = x
self.y = y
self.z = z
self.r = r or min(x, y)/2.0
self.d = d
self.h = h
self.c4 = c4 = math.pi * r * 0.5 * 0.95
2013-09-01 01:59:24 +02:00
self.latchsize = 8*thickness
width = 2*x + y - 3*r + 2*c4 + 15*thickness + 3*10 # lock
height = y + z + 8*thickness
Boxes.__init__(self, width, height, thickness=thickness)
self.edges["f"].settings.setValues(
self.thickness, finger=2, space=2, surroundingspaces=1)
s = FingerJointSettings(self.thickness, surroundingspaces=1)
g = FingerJointEdge(self, s)
g.char = "g"
self.addPart(g)
G = FingerJointEdgeCounterPart(self, s)
G.char = "G"
self.addPart(G)
2013-09-01 01:59:24 +02:00
def rectangleCorner(self, edge1=None, edge2=None):
edge1 = self.edges.get(edge1, edge1)
edge2 = self.edges.get(edge2, edge2)
if edge2:
self.edge(edge2.width())
self.corner(90)
if edge1:
self.edge(edge1.width())
@restore
def flexBoxSide(self, x, y, r, callback=None):
self.cc(callback, 0)
self.fingerJointEdge(x)
self.corner(90, 0)
self.cc(callback, 1)
self.fingerJointEdge(y-r)
self.corner(90, r)
self.cc(callback, 2)
self.edge(x-r)
self.corner(90, 0)
self.cc(callback, 3)
self.fingerJointEdge(y)
self.corner(90)
def surroundingWall(self):
x, y, z, r, d = self.x, self.y, self.z, self.r, self.d
self.edges["F"](y-r, False)
self.flexEdge(self.c4, z+2*self.thickness)
self.corner(-90)
self.edge(d)
self.corner(90)
self.edges["f"](x-r+d)
2013-09-01 01:59:24 +02:00
self.corner(90)
self.edges["f"](z+2*self.thickness+2*d)
self.corner(90)
self.edges["f"](x-r+d)
2013-09-01 01:59:24 +02:00
self.corner(90)
self.edge(d)
self.corner(-90)
self.edge(self.c4)
self.edges["F"](y-r)
self.corner(90)
self.edge(self.thickness)
self.edges["f"](z)
self.edge(self.thickness)
self.corner(90)
@restore
def lidSide(self):
x, y, z, r, d, h = self.x, self.y, self.z, self.r, self.d, self.h
t = self.thickness
r2 = r+t if r+t <=h+t else h+t
self.moveTo(self.thickness, self.thickness)
self.edge(h+self.thickness-r2)
self.corner(90, r2)
self.edge(r-r2+2*t)
self.edges["F"](x-r)
self.rectangleCorner("F", "f")
self.edges["g"](h)
2013-09-01 01:59:24 +02:00
self.rectangleCorner("f", "e")
self.edge(x+2*t)
def render(self):
x, y, z, r, d, h = self.x, self.y, self.z, self.r, self.d, self.h
self.moveTo(2*self.thickness, self.thickness+2*d)
self.ctx.save()
self.surroundingWall()
self.moveTo(x+y-2*r+self.c4+self.thickness, -2*d-self.thickness)
self.rectangularWall(x, z, edges="FFFF", move="right")
self.rectangularWall(h, z+2*(d+self.thickness),
edges="GeGF", move="right")
2013-09-01 01:59:24 +02:00
self.lidSide()
self.moveTo(2*h+5*self.thickness, 0)
self.ctx.scale(-1, 1)
self.lidSide()
self.ctx.restore()
self.moveTo(0, z+4*self.thickness+2*d)
2013-09-01 01:59:24 +02:00
self.flexBoxSide(x, y, r)
self.moveTo(2*x+3*self.thickness, 2*d)
self.ctx.scale(-1, 1)
self.flexBoxSide(x, y, r)
self.ctx.scale(-1, 1)
self.moveTo(2*self.thickness, -self.thickness)
self.rectangularWall(z, y, edges="fFeF")
self.ctx.stroke()
self.surface.finish()
if __name__=="__main__":
b = FlexBox(100, 40, 100, r=20, h=10, thickness=4.0)
2013-09-01 01:59:24 +02:00
b.render()