1 files changed, 104 insertions, 0 deletions
diff --git a/screen.py b/screen.py
new file mode 100644
index 0000000..64b3860
--- /dev/null
+++ b/screen.py
@@ -0,0 +1,104 @@
+# 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 2 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, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+import math
+
+import theme
+import model
+
+class ScreenFrame:
+    def __init__(self):
+        self.reset()
+
+    def setjoints(self):
+        _setjoints(self.joints, self.sticks, self.middle)
+
+    def reset(self):
+        self.parts = theme.PARTS.copy()
+        self.sticks = theme.STICKS.copy()
+        self.joints = _initjoints()
+        self.middle = (int(theme.DRAWWIDTH/2.0), int(theme.DRAWHEIGHT/2.0))
+        self.setjoints()
+
+    def assign(self, x):
+        self.middle = x.middle
+        self.parts = x.parts.copy()
+        self.sticks = x.sticks.copy()
+        self.joints = x.joints.copy()
+        self.setjoints()
+
+    def get_scaled_sticks(self):
+        out = self.sticks.copy()
+        for key in out:
+            (angle,len) = out[key]
+            newlen = int(len * .2)
+            out[key] = (angle,newlen)
+        return out
+
+    def get_scaled_joints(self, x, y):
+        out = _initjoints()
+        _setjoints(out, self.get_scaled_sticks(), (x, y))
+        return out
+
+    def getrotatepoint(self):
+        (angle,len) = self.sticks['TORSO']
+        x,y = self.middle
+        (rx,ry) = _getpoints(x,y,angle,int(len/2.0))
+        return (rx,ry)
+
+    def inrotate(self, x, y):
+        rx, ry = self.getrotatepoint()
+        if (abs(rx-x) <= 5) and (abs(ry-y) <= 5):
+            return True
+        return False
+
+    def injoint(self, x, y):
+        for jname in self.joints:
+            jx, jy = self.joints[jname]
+            if (abs(jx-x) <= 5) and (abs(jy-y) <= 5):
+                return jname
+        return False
+
+    def inmiddle(self, x, y):
+        mx, my = self.middle
+        if (abs(mx-x) <= 5) and (abs(my-y) <= 5):
+            return True
+        return False
+
+def _initjoints():
+    joints = {}
+    for stickname in theme.JOINTS:
+        jname = theme.JOINTS[stickname]
+        joints[jname] = (0,0)
+    return joints
+
+def _setjoints(joints, sticks, middle):
+    # have to traverse in order because
+    # parent joints must be set right
+    for stickname in theme.STICKLIST:
+        (angle,len) = sticks[stickname]
+        jname = theme.JOINTS[stickname]
+        (x,y) = model.getparentjoint(jname, joints, middle)
+        parents = model.getparentsticks(stickname)
+        panglesum = 0
+        for parentname in parents:
+            (pangle,plen) = sticks[parentname]
+            panglesum += pangle
+        (nx,ny) = _getpoints(x,y,angle+panglesum,len)
+        joints[jname] = (nx,ny)
+
+def _getpoints(x,y,angle,len):
+    nx = int(round(x + (len * math.cos(math.radians(angle)))))
+    ny = int(round(y - (len * math.sin(math.radians(angle)))))
+    return (nx,ny)