def on_touch_down(self, touch):
"""
:param touch:
:rtype: void
"""
# Reset current path.
self.player_path = []
# get if player can draw here
self.tile_identifier = TouchUtils.get_tile_identifier(self, touch.x, touch.y)
can_draw = TouchUtils.can_start_stop(self.tile_identifier, self.map_canvas.points)
if not can_draw:
self.failed_attempts += 1
self.canvas.after.clear()
return
self.canvas.after.add(
Point(points=(touch.x, touch.y), texture=self.TRACE_TEXTURE, pointsize=self.touch_width)
)
# Save tile.
self.old_tile_identifier = self.tile_identifier[:]
self.player_path.append((self.tile_identifier[0], self.tile_identifier[1]))
self.old_point = (touch.x, touch.y)
touch.grab(self)
def on_touch_up(self, touch):
"""
:param touch:
:rtype: void
"""
if touch.grab_current is not self:
return
# get if player can draw here
self.tile_identifier = TouchUtils.get_tile_identifier(self, touch.x, touch.y)
if self.tile_identifier is None:
can_draw = False
else:
can_draw = TouchUtils.can_start_stop(self.tile_identifier, self.map_canvas.points)
if can_draw:
if self.is_path_correct():
return self.propagate_level_up()
self.failed_attempts += 1
# Delete touch if player loose.
self.canvas.after.clear()
touch.ungrab(self)
return
def on_touch_move(self, touch):
"""
:param touch:
:rtype: void
"""
if touch.grab_current is not self:
return
# get if player can draw (test if player is in a valid tile then test if tile change).
self.tile_identifier = TouchUtils.get_tile_identifier(self, touch.x, touch.y)
if self.tile_identifier is None:
can_draw = False
# if player change tile
elif self.tile_identifier != self.old_tile_identifier:
old_tile_properties = TouchUtils.get_tile_properties(self.map_canvas.map_matrix, self.old_tile_identifier)
tile_properties = TouchUtils.get_tile_properties(self.map_canvas.map_matrix, self.tile_identifier)
direction = TouchUtils.get_touch_direction(self.tile_identifier, self.old_tile_identifier)
can_draw = TouchUtils.is_authorised(self.tile_identifier, self.player_path,
tile_properties, old_tile_properties, direction)
if can_draw:
self.player_path.append((self.tile_identifier[0], self.tile_identifier[1]))
else:
can_draw = True
if not can_draw:
self.failed_attempts += 1
self.canvas.after.clear()
touch.ungrab(self)
return
points_list = self.get_smooth_points(self.old_point[0], self.old_point[1], touch.x, touch.y)
if not points_list:
points_list = [(touch.x, touch.y)]
for index in range(len(points_list)):
x_coord = points_list[index][0]
y_coord = points_list[index][1]
self.canvas.after.add(
Point(points=(x_coord, y_coord), texture=self.TRACE_TEXTURE, pointsize=self.touch_width)
)
# Save tile.
self.old_tile_identifier = self.tile_identifier
self.old_point = (touch.x, touch.y)