Add "classical" Flexboxes

flexbox.py

@@ -0,0 +1,83 @@
+#!/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
+        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):
+        space, finger = self.fingerJointSettings
+        lock = 2.1*space + finger
+
+        self.moveTo(r, 0)
+        for i, l in zip(range(2), (x, y)):
+            self.cc(callback, i)
+            self.fingerJoint(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.fingerJoint(lock)
+        self.cc(callback, 4)
+        self.fingerJoint(y-2*r-lock)
+        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
+
+        space, finger = self.fingerJointSettings
+        lock = 2.1*space + finger
+
+        self.fingerJoint(y-2*r-lock, False)
+        self.flex(c4, z+2*self.thickness)
+        self.fingerJoint(x-2*r, False)
+        self.flex(c4, z+2*self.thickness)
+        self.fingerJoint(y-2*r, False)
+        self.flex(c4, z+2*self.thickness)
+        self.edge(x-2*r)
+        self.flex(c4, z+2*self.thickness)
+        self.fingerJoint(lock, False)
+        self.corner(90)
+        self.edge(z+2*self.thickness)
+        self.corner(90)
+        self.fingerJoint(lock, False)
+        self.edge(c4)
+        self.edge(x-2*r)
+        self.edge(c4)
+        self.fingerJoint(y-2*r, False)
+        self.edge(c4)
+        self.fingerJoint(x-2*r, False)
+        self.edge(c4)
+        self.fingerJoint(y-2*r-lock, 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.flush()
+
+
+if __name__=="__main__":
+    b = FlexBox(200, 200, 200, r=50)
+    b.render()

flexbox2.py

@@ -0,0 +1,87 @@
+#!/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
+        c4 = math.pi * r * 0.5
+
+        width = 2*x + y - 3*r + 2*c4 + 18*thickness # lock
+        height = y + z + 8*thickness
+
+        boxes.Boxes.__init__(self, width, height, thickness=thickness)
+        space, finger = self.fingerJointSettings
+        self.lock = 2.1*space + finger
+        
+    @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.fingerJoint(self.lock)
+        self.cc(callback, 4)
+        self.fingerJoint(y-r-self.lock)
+        self.corner(90)
+
+    def surroundingWall(self):
+        x, y, z, r = self.x, self.y, self.z, self.r
+        
+        c4 = math.pi * r * 0.5
+
+        lock = self.lock
+
+        self.fingerJoint(y-r, False)
+        self.flex(c4, z+2*self.thickness)
+        self.edge(x-2*r)
+        self.flex(c4, z+2*self.thickness)
+        self.fingerJoint(lock, False)
+        self.corner(90)
+        self.edge(z+2*self.thickness)
+        self.corner(90)
+        self.fingerJoint(lock, False)
+        self.edge(c4)
+        self.edge(x-2*r)
+        self.edge(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):
+        c4 = math.pi * self.r * 0.5
+        self.moveTo(2*self.thickness, self.thickness)
+        self.ctx.save()
+        self.surroundingWall()
+        self.moveTo(self.x+self.y-3*self.r+2*c4+self.lock+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.lock, edges="fFeF")
+        self.ctx.stroke()
+        self.surface.flush()
+
+
+if __name__=="__main__":
+    b = FlexBox(200, 200, 200, r=50)
+    b.render()