Split gcoder.Line current_pos tuples into standalone attributes

printrun/gcoder.py

@@ -30,7 +30,8 @@ class Line(object):
     __slots__ = ('x','y','z','e','f','i','j','s',
                  'raw','split_raw',
                  'command','is_move',
-                 'relative','relative_e', 'current_pos', 'extruding',
+                 'relative','relative_e',
+                 'current_x', 'current_y', 'current_z', 'extruding',
                  'gcview_end_vertex')
 
     def __init__(self, l):
@@ -112,7 +113,9 @@ class Layer(object):
                 current_y = line.y or current_y
                 current_z = line.z or current_z    
 
-            line.current_pos = (current_x, current_y, current_z)
+            line.current_x = current_x
+            line.current_y = current_y
+            line.current_z = current_z
         return (current_x, current_y, current_z), (xmin, xmax), (ymin, ymax), (zmin, zmax)
 
 class GCode(object):

printrun/libtatlin/actors.py

@@ -229,17 +229,18 @@ class GcodeModel(Model):
                 if not gline.is_move:
                     continue
                 vertex_list.append(prev_pos)
-                vertex_list.append(gline.current_pos)
+                current_pos = (gline.current_x, gline.current_y, gline.current_z)
+                vertex_list.append(current_pos)
 
                 arrow = self.arrow
                 # position the arrow with respect to movement
-                arrow = vector.rotate(arrow, movement_angle(prev_pos, gline.current_pos), 0.0, 0.0, 1.0)
+                arrow = vector.rotate(arrow, movement_angle(prev_pos, current_pos), 0.0, 0.0, 1.0)
                 arrow_list.extend(arrow)
 
                 vertex_color = self.movement_color(gline)
                 color_list.append(vertex_color)
 
-                prev_pos = gline.current_pos
+                prev_pos = current_pos
                 gline.gcview_end_vertex = len(vertex_list)
 
             self.layer_stops.append(len(vertex_list))