11.3 Add a simple pattern for the Boss' movements

eleven_three.monkey

 ' Character Class
  Method Update(game_width:Float, game_height:Float)
		Local x_speed:Float = Self.box.GetSpeedX()
		Local y_speed:Float = Self.box.GetSpeedY()

		If (Self.is_player)
			If (KeyDown(KEY_LEFT))
				Self.box.SetSpeedX(x_speed - 1.0)
			Else If (KeyDown(KEY_RIGHT))
				Self.box.SetSpeedX(x_speed + 1.0)
			End
			
			If (KeyDown(KEY_UP))
				Self.box.SetSpeedY(y_speed - 1.0)
			Else If (KeyDown(KEY_DOWN))
				Self.box.SetSpeedY(y_speed + 1.0)
			End
			
			If (Self.box.GetPosX()	> game_width)
				Self.box.SetPosX(game_width-1)
				Self.box.SetSpeedX(0)
			Else If (Self.box.GetPosX() < 0)
				Self.box.SetPosX(1)
				Self.box.SetSpeedX(0)
			End
			
			If (Self.box.GetPosY()	> game_height)
				Self.box.SetPosY(game_height-1)
				Self.box.SetSpeedY(0)
			Else If (Self.box.GetPosY() < 0)
				Self.box.SetPosY(1)
				Self.box.SetSpeedY(0)
			End
		' Add some AI patterned movement to the Boss update
		Else If (Self.box.GetText() = "FINALBOSS")
			SimpleBossPattern(game_width, game_height)		
		End
		
		If (Self.box.GetText() = "DAMAGED")
			Self.TakeDamage(1)
		End 
	End
 ' ..............
 
 ' Very simple pattern for the Boss to follow
	Method SimpleBossPattern(game_width:Float, game_height:Float)
		Local y_speed:Float = Self.box.GetSpeedY()
		Local x_speed:Float = Self.box.GetSpeedX()
		
		If (Self.box.GetPosY() < 0)
			Self.box.SetSpeedY(y_speed + 0.5)
		Else If (Self.box.GetPosY() > game_height)
			Self.box.SetSpeedY(y_speed - 0.5)
		Else If (y_speed > 0)
			Self.box.SetSpeedY(y_speed + 0.5)
		Else If (y_speed < 0)
			Self.box.SetSpeedY(y_speed - 0.5)
		Else If (y_speed = 0)
			Self.box.SetSpeedY(y_speed + 0.5)
		End
	End