Add wall hook generator

boxes/generators/hooks.py

@@ -0,0 +1,149 @@
+#!/usr/bin/env python3
+# Copyright (C) 2013-2016 Florian Festi
+#
+#   This program is free software: you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation, either version 3 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+from boxes import *
+import math
+
+HEIGHT = 5
+GRID = 25
+
+
+class Hook(Boxes):  # Change class name!
+    """DESCRIPTION"""
+
+    webinterface = False  # Change to make visible in web interface
+    ui_group = "Unstable"  # see ./__init__.py for names
+
+    def __init__(self):
+        Boxes.__init__(self)
+
+        self.addSettingsArgs(edges.FingerJointSettings, surroundingspaces=0.5)
+
+    def render(self):
+        self.open()
+
+        self.render_back()
+        self.render_sidewall(move='right')
+        self.render_sidewall(move='right')
+        self.render_plates()
+
+        self.close()
+
+
+    def back_callback(self, n):
+        if n != 0:
+            return
+
+        t = self.t
+        h = self.y_a - t
+
+        self.fingerHolesAt(t/2, 0, h)
+        self.fingerHolesAt(self.w_back - t/2, 0, h)
+        self.fingerHolesAt(t, h + self.t/2, self.w_hook, 0)
+
+        x_h = self.w_hook/2 + t
+
+        y1 = h + self.y_o/2
+        y2 = self.y_o/2
+        y3 = (y1 + y2) / 2
+
+        self.hole(x_h, y1, d=3)
+        self.hole(x_h, y2, d=3)
+        self.hole(x_h, y3, d=3)
+        
+    @property
+    def t(self):
+        return self.thickness
+
+    @property
+    def w_hook(self):
+        return 40
+
+    @property
+    def w_back(self):
+        return self.w_hook + 2*self.t
+
+    def render_back(self):
+        self.rectangularWall(self.w_back, self.y_ges, 'eEeE', callback=self.back_callback, move='right')
+
+    @property
+    def y_ges(self):
+        return 100
+
+    @property
+    def y_o(self):
+        return 30
+
+    @property
+    def y_a(self):
+        return self.y_ges - self.y_o
+
+    @property
+    def x_o(self):
+        return 40
+        
+    @property
+    def x_plus(self):
+        return 20
+
+    def render_sidewall(self, move=None):
+        
+        x_ges = self.x_o + self.x_plus + self.t
+        x_u = 10
+
+        x_a = x_ges - x_u
+
+        a = math.degrees(math.atan(self.y_a/x_a))
+        l_a = math.sqrt(self.y_a**2 + x_a**2)
+
+        if self.move(x_ges, self.y_ges, move, before=True):
+            return
+
+        f_edge = self.edges['f']
+        turn = self.corner
+
+        self.moveTo(f_edge.margin())
+        self.polyline(x_u, a, l_a, 90-a, self.y_o-self.t, 90)
+
+        f_edge(self.x_plus)
+        turn(90)
+        f_edge(self.y_o - self.t)
+
+        self.polyline(self.t, -90, self.t)
+
+        f_edge(self.x_o)
+        turn(90)
+        f_edge(self.y_a - self.t)
+        turn(90)
+
+        self.move(x_ges, self.y_ges, move)
+
+
+    def bitholder_cb(self, n):
+        if n != 0:
+            return
+
+        self.hole((self.y_o - self.t)/2, self.w_hook/2, d=17)
+
+
+    def render_plates(self):
+        self.rectangularWall(self.x_o, self.w_hook, 'FFFf', move='right')
+        self.rectangularWall(self.y_o - self.t,  self.w_hook, 'FFFf', move='right', callback=self.bitholder_cb)
+        self.rectangularWall(self.x_plus, self.w_hook, 'FeFf', move='right')
+
+
+
+