def beamer_mouse_callback(self, event, x, y, flags, param):
if self.program_stage.current_stage == ProgramStage.INTERNAL_MODE \
or self.program_stage.current_stage == ProgramStage.EXTERNAL_MODE:
if event == cv2.EVENT_LBUTTONDOWN or event == cv2.EVENT_RBUTTONDOWN:
color = BrickColor.BLUE_BRICK
if event == cv2.EVENT_RBUTTONDOWN:
color = BrickColor.RED_BRICK
# create brick on mouse position
mouse_brick = Extent.remap_brick(Brick(x, y, Token(BrickShape.SQUARE_BRICK, color)),
self.extent_tracker.beamer, self.extent_tracker.board
)
# check for nearby virtual bricks
virtual_brick = self.tracker.check_min_distance(mouse_brick, self.tracker.virtual_bricks)
if virtual_brick:
# if mouse brick is on top of other virtual brick, remove that brick
self.tracker.remove_external_virtual_brick(virtual_brick)
else:
# otherwise add the mouse brick
self.tracker.virtual_bricks.append(mouse_brick)
# set mouse brick refreshed flag
TableOutputStream.MOUSE_BRICKS_REFRESHED = True
def brick_would_land_on_ui(self, brick):
brick_on_beamer = Extent.remap_brick(brick, self.extent_tracker.board,
self.extent_tracker.beamer)
return self.ui_root.brick_would_land_on_element(brick_on_beamer)
def render_brick(self, brick, render_target, virtual=False):
b = Extent.remap_brick(brick, self.extent_tracker.board, self.extent_tracker.beamer)
pos = (int(b.centroid_x), int(b.centroid_y))
icon = self.get_brick_icon(brick, virtual)
ImageHandler.img_on_background(render_target, icon, pos)