t = codesters.Teacher() tm = TestManager() stage.set_axis(0, 10) """ ONLY CHANGE WHAT IS BETWEEN THE GREEN DASHES: ---------------------------------------------------------------""" # This array represents the board. # 1's are blocks and 0's are open pathways. maze_data = [ [1, 1, 1, 1, 1, 1, 1, 1, 1, 1], [1, 1, 1, 1, 1, 1, 1, 1, 1, 1], [1, 1, 1, 1, 1, 1, 0, 1, 1, 1], [1, 1, 1, 1, 1, 1, 0, 1, 1, 1], [1, 1, 1, 1, 1, 1, 0, 1, 1, 1], [1, 1, 1, 0, 0, 0, 0, 1, 1, 1], [1, 1, 1, 0, 1, 1, 1, 1, 1, 1], [1, 1, 1, 0, 1, 1, 1, 1, 1, 1], [0, 0, 0, 0, 1, 1, 1, 1, 1, 1], [1, 1, 1, 1, 1, 1, 1, 1, 1, 1], ] # This is where the turtle starts. start_position = (1, 9) # This is where the goal is. goal_position = (7, 3) # This is the direction the turtle points to begin with start_direc = 0 # This is the scale factor for the blocks. block_size = 1 end_result = "incomplete" # This function iterates through the maze_data array and draws the squares. def draw_board(): board = maze_data for j in range(len(board)): for i in range(len(board[j])): if board[j][i] == 1: block_x = (i + 0.5) * block_size block_y = (j + 0.5) * block_size block = codesters.Square(block_x, block_y, block_size, "sienna", "black") else: block_x = (i + 0.5) * block_size block_y = (j + 0.5) * block_size block = codesters.Square(block_x, block_y, block_size, None, "black") # This function creates a goal block at the specified position. def create_goal(): goal_x = (goal_position[0] - 0.5) * block_size goal_y = (goal_position[1] - 0.5) * block_size goal_block = codesters.Square(goal_x, goal_y, block_size, "gold", "black") # This is the main program. It calls the three principal functions, # creates the turtle, and puts it on the screen # This calls the function to draw the goal # This line calls the function to draw the whole board draw_board() create_goal() txt = codesters.Text("Guide the hedgehog to the gold box.", 5, 9.5, "white") sprite = codesters.Sprite("hedgehog") sprite.set_size(0.5) sprite.set_speed(2) # This function puts the turtle at the starting position and rotation. def send_sprite_home(t): t.set_x((start_position[0] - 0.5 ) * block_size) t.set_y((start_position[1] - .5) * block_size) t.set_rotation(start_direc) send_sprite_home(sprite) collision_count = 0 def collision(sprite, hit_sprite): global collision_count color = hit_sprite.get_color() if color == "sienna": collision_count += 1 sprite.event_collision(collision)

try: tval1 = sprite.get_x() tval2 = sprite.get_y() except: tval1 = "DNE" tval2 = "DNE" collision_count = 0 def collision(sprite, hit_sprite): global collision_count color = hit_sprite.get_color() if color == "sienna": collision_count += 1 sprite.event_collision(collision) if tval1 == (goal_position[0]) and tval2 == (goal_position[1]) and collision_count == 0: stage.remove_sprite(txt) tm.display_success_message("Great job!") elif tval1 == (start_position[0]) * block_size and tval2 == (start_position[1]) * block_size: txt.set_text("Guide the hedgehog to the gold box.") elif collision_count > 0: tm.display_failure_message("Oops! You hit a block. Try again!") else: tm.display_failure_message("You're not quite there! Try again!")