box2: Add chest like lid

boxes/generators/box2.py

@@ -24,15 +24,74 @@ class Box(Boxes):
     def __init__(self):
         Boxes.__init__(self)
         self.buildArgParser("top_edge", "bottom_edge", "x", "y", "h")
+        self.argparser.add_argument(
+            "--chestlid",  action="store", type=bool, default=False,
+            help="add chest lid (needs hinges)")
+        self.angle = 0
         self.argparser.set_defaults(
             fingerjointfinger=3.0,
             fingerjointspace=3.0
             )
 
+    def getR(self):
+        x, y, h, angle = self.x, self.y, self.h, self.angle
+        t = self.thickness
+        d = x - 2*math.sin(math.radians(angle)) * (3*t)
+
+        r = d / 2.0 / math.cos(math.radians(angle))
+        return r
+
+    def side(self, move=""):
+        x, y, h, angle = self.x, self.y, self.h, self.angle
+        t = self.thickness
+        r = self.getR()
+        if self.move(x+3*t, 0.5*x+5*t, move, True):
+            return
+
+        self.ctx.save()
+        self.moveTo(1.5*t, t)
+        self.edge(x)
+        self.corner(90+angle)
+        self.edges["g"](3*t)
+        self.corner(180-2*angle, r)
+        self.edges["g"](3*t)
+        self.corner(90+angle)
+        self.ctx.restore()
+
+        self.move(x+3*t, 0.5*x+5*t, move, False)
+
+    def top(self):
+        x, y, h = self.x, self.y, self.h
+        t = self.thickness
+        angle = 30
+
+        l = math.radians(180-2*angle) * self.getR()
+
+        self.edges["G"](3*t)
+        self.edges["X"](l, y+2*t)
+        self.edges["G"](3*t)
+        self.corner(90)
+        self.edge(y+2*t)
+        self.corner(90)
+        self.edges["G"](3*t)
+        self.edge(l)
+        self.edges["G"](3*t)
+        self.corner(90)
+        self.edge(y+2*t)
+        self.corner(90)
+
     def render(self):
         x, y, h = self.x, self.y, self.h
 
         self.open()
+        # generate g,G finger joints with default settings
+        s = edges.FingerJointSettings(self.thickness)
+        g = edges.FingerJointEdge(self, s)
+        g.char = 'g'
+        self.addPart(g)
+        G = edges.FingerJointEdgeCounterPart(self, s)
+        G.char = 'G'
+        self.addPart(G)
 
         b = self.edges.get(self.bottom_edge, self.edges["F"])
         t = self.edges.get(self.top_edge, self.edges["e"])
@@ -55,6 +114,13 @@ class Box(Boxes):
         self.rectangularWall(x, y, "ffff", bedBolts=[d2, d3, d2, d3], move="right")
         if self.top_edge == "c":
             self.rectangularWall(x, y, "CCCC", bedBolts=[d2, d3, d2, d3], move="up")
+        else:
+            self.rectangularWall(x, y, "CCCC", bedBolts=[d2, d3, d2, d3], move="up only")
+            
+        if self.chestlid:
+            self.side()
+            self.side(move="left up")
+            self.top()
 
         self.close()