diff options
Diffstat (limited to 'TurtleArt')
| -rw-r--r-- | TurtleArt/taturtle.py | 61 |
1 files changed, 15 insertions, 46 deletions
diff --git a/TurtleArt/taturtle.py b/TurtleArt/taturtle.py index 02d4d31..beed99d 100644 --- a/TurtleArt/taturtle.py +++ b/TurtleArt/taturtle.py @@ -546,12 +546,7 @@ class Turtle: def right(self, degrees, share=True): ''' Rotate turtle clockwise ''' - try: - self._heading += degrees - except (TypeError, ValueError): - debug_output('bad value sent to %s' % (__name__), - self._turtles.turtle_window.running_sugar) - return + self._heading += degrees self._heading %= 360 self._update_sprite_heading() @@ -562,12 +557,7 @@ class Turtle: self._turtles.turtle_window.send_event(event) def left(self, degrees, share=True): - try: - degrees = 0 - degrees - except: - debug_output('bad value sent to %s' % (__name__), - self._turtles.turtle_window.running_sugar) - return + degrees = 0 - degrees self.right(degrees, share) def _draw_line(self, old, new, pendown): @@ -583,17 +573,11 @@ class Turtle: self._poly_points.append(('line', pos2[0], pos2[1])) def forward(self, distance, share=True): - print distance scaled_distance = distance * self._turtles.turtle_window.coord_scale old = self.get_xy() - try: - xcor = old[0] + scaled_distance * sin(self._heading * DEGTOR) - ycor = old[1] + scaled_distance * cos(self._heading * DEGTOR) - except (TypeError, ValueError): - debug_output('bad value sent to %s' % (__name__), - self._turtles.turtle_window.running_sugar) - return + xcor = old[0] + scaled_distance * sin(self._heading * DEGTOR) + ycor = old[1] + scaled_distance * cos(self._heading * DEGTOR) self._draw_line(old, (xcor, ycor), True) self.move_turtle((xcor, ycor)) @@ -604,27 +588,17 @@ class Turtle: self._turtles.turtle_window.send_event(event) def backward(self, distance, share=True): - try: - distance = 0 - distance - except: - debug_output('bad value sent to %s' % (__name__), - self._turtles.turtle_window.running_sugar) - return + distance = 0 - distance self.forward(distance, share) def set_xy(self, x, y, share=True, pendown=True, dragging=False): old = self.get_xy() - try: - if dragging: - xcor = x - ycor = y - else: - xcor = x * self._turtles.turtle_window.coord_scale - ycor = y * self._turtles.turtle_window.coord_scale - except (TypeError, ValueError): - debug_output('bad value sent to %s' % (__name__), - self._turtles.turtle_window.running_sugar) - return + if dragging: + xcor = x + ycor = y + else: + xcor = x * self._turtles.turtle_window.coord_scale + ycor = y * self._turtles.turtle_window.coord_scale self._draw_line(old, (xcor, ycor), pendown) self.move_turtle((xcor, ycor)) @@ -639,15 +613,10 @@ class Turtle: ''' Draw an arc ''' if self._pen_state: self._turtles.turtle_window.canvas.set_source_rgb() - try: - if a < 0: - pos = self.larc(-a, r) - else: - pos = self.rarc(a, r) - except (TypeError, ValueError): - debug_output('bad value sent to %s' % (__name__), - self._turtles.turtle_window.running_sugar) - return + if a < 0: + pos = self.larc(-a, r) + else: + pos = self.rarc(a, r) self.move_turtle(pos) |