New generator: HeartBox

boxes/generators/heart.py

@@ -0,0 +1,70 @@
+#!/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 *
+
+class HeartBox(Boxes):
+    """Box in the form of an heart"""
+
+    ui_group = "FlexBox"
+
+    def __init__(self):
+        Boxes.__init__(self)
+
+        self.addSettingsArgs(edges.FingerJointSettings, finger=1.0,space=1.0)
+        self.addSettingsArgs(edges.FlexSettings)
+        self.buildArgParser(x=150, h=50)
+        self.argparser.add_argument(
+            "--top",  action="store", type=str, default="closed",
+            choices=["closed", "hole", "lid",],
+            help="style of the top and lid")
+
+    def CB(self):
+        x = self.x
+        t = self.thickness
+
+        l = 2/3. * x - t
+        r = l/2. - t
+        d = 2 *t
+
+        if self.top == "closed":
+            return
+
+        for i in range(2):
+            self.moveTo(t, t)
+            self.polyline((l, 2), (180, r), (d, 1), -90,
+                          (d, 1), (180, r), (l, 2), 90)
+            l -= t
+            r -= t
+            d += t
+            if self.top == "hole":
+                return
+
+    def render(self):
+        x, h = self.x, self.h
+        t = self.thickness
+
+        l = 2/3. * x
+        r = l/2. - 0.5*t
+
+        borders = [l, (180, r), t, -90, t, (180, r), l, 90]
+        self.polygonWalls(borders, h)
+        self.rectangularWall(0, h, "FFFF", move="up only")
+        self.polygonWall(borders, callback=[self.CB], move="right")
+        self.moveTo(-2*t)
+        self.polygonWall(borders, move="mirror right")
+        if self.top == "lid":
+            self.polygonWall([l+t, (180, r+t), 0, -90, 0, (180, r+t), l+t, 90], 'e')