New generator: Ottosoles

Foam soles for the OttO Bot

boxes/generators/ottosoles.py

@@ -0,0 +1,63 @@
+#!/usr/bin/env python3
+# Copyright (C) 2013-2018 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 *
+
+class OttoSoles(Boxes):
+    """Foam soles for the OttO bot"""
+
+    ui_group = "Misc"
+
+    def __init__(self):
+        Boxes.__init__(self)
+
+        self.buildArgParser(x=56., y=36.)        
+        self.argparser.add_argument(
+            "--width",  action="store", type=float, default=4.,
+            help="width of sole stripe")
+        self.argparser.add_argument(
+            "--chamfer",  action="store", type=float, default=5.,
+            help="chamfer at the corners")
+        self.argparser.add_argument(
+            "--num",  action="store", type=int, default=2,
+            help="number of soles")
+
+
+    def render(self):
+        x, y = self.x, self.y
+        c = self.chamfer
+        c2 = c * 2**0.5
+        w = min(self.width, c2 / 2. / math.tan(math.radians(22.5)))
+        w = self.width
+        w2 = w * 2**0.5 - c2 / 2
+        d = w * math.tan(math.radians(22.5))
+        
+        # Initialize canvas
+        self.open()
+        
+        self.moveTo(0, y, -90)
+
+        for i in range(self.num*2):
+            if c2 >= 2 * d:
+                self.polyline(c2, 45, y-2*c, 45, c2/2., 90, w, 90, c2/2-d, -45,
+                              y-2*c-2*d, -45, c2-2*d, -45, x-2*c-2*d, -45,
+                              c2/2-d, 90, w, 90, c2/2., 45, x-2*c, 45)
+                self.moveTo(0, w + c2/2. + 2*2**0.5*self.burn)
+            else:
+                self.polyline(c2, 45, y-2*c, 45, c2/2., 90, w2, 45,
+                              y-2*w, -90, x-2*w, 45, w2, 90, c2/2., 45, x-2*c, 45)
+                self.moveTo(0, w * 2**0.5 + 2*2**0.5*self.burn)
+        self.close()