WhatIThinkAbout

class Dynamic(gym.Space):

  def __init__(self, action_list = []):
      ' set the list of initially available actions '      
      self.set_actions(action_list)
      
  def sample(self):
      ' select a random action from the set of available actions '
      return np.random.choice(self.available_actions)    
    

WhatIThinkAbout

from babyrobot.envs.lib import Direction

class BabyRobotEnv_v4( BabyRobotEnv_v3 ):

  def __init__(self, **kwargs):
      super().__init__(**kwargs)

      # initially no actions are available
      self.dynamic_action_space = Dynamic()

WhatIThinkAbout

# initialize the environment
env.reset()

terminated = False
while not terminated: 

  # choose a random action
  action = env.action_space.sample()   

  # take the action and get the information from the environment

WhatIThinkAbout

''' the first graphical environment '''
class BabyRobotEnv_v3( BabyRobotEnv_v2 ):

  def __init__(self, **kwargs):
      super().__init__(**kwargs)

      # graphical creation of the level
      self.level = GridLevel( **kwargs )

      # add baby robot

WhatIThinkAbout

from babyrobot.envs.lib import GridLevel
from babyrobot.envs.lib import RobotDraw

# draw the default grid level
level = GridLevel()

# add Baby Robot
robot = RobotDraw(level)
robot.set_cell_position([1,1])
robot.draw()

WhatIThinkAbout

from ipycanvas import MultiCanvas

layers = 2
multi_canvas = MultiCanvas(layers, width=width_pixels, height=height_pixels)
draw_base(multi_canvas[0])  
draw_grid(multi_canvas[0])
draw_border(multi_canvas[0])

WhatIThinkAbout

def draw_border(canvas):
  canvas.stroke_style = 'black'
  canvas.line_width = 5
  canvas.set_line_dash([0,0])
  canvas.stroke_rect(0,0,width_pixels,height_pixels) 

WhatIThinkAbout

def draw_grid( canvas ):
  canvas.stroke_style = '#777' # grid line color - medium gray
  canvas.line_width = 1
  canvas.set_line_dash([4,8])    

  # draw the grid onto the canvas
  for y in range(grid_height):   
    for x in range(grid_width):   
      canvas.stroke_rect(cell_pixels * x, cell_pixels * y, cell_pixels, cell_pixels)

WhatIThinkAbout

def draw_base(canvas):
  canvas.fill_style = 'orange' 
  canvas.fill_rect(0, 0, canvas.width, canvas.height)

draw_base(canvas)  
canvas

WhatIThinkAbout

# create the environment
env = gym.make('BabyRobotEnv-v2')

# initialize the environment
env.reset()
env.render()

terminated = False
while not terminated: