Make sure Obstacle Maker Window's opened. You can open this feature from menu Tools/Platformars/Obstacle Maker.
Menu location
Obstacle Maker Window
First, you have to enter the number of game objects you wanted to define. Gameobject fields will appear based on the number you enter.
Adding game objects
After you put every game object into each field, choose the obstacle type for the game objects.
If the desired obstacle type is not on the list, you can add your own obstacle type here.
Finally, click Define Obstacle Type button and a new component will be added to each game object.
Log Message
Example of the defined obstacle
Changing Obstacle Type
To change obstacle type is easy
Adding New Types of Obstacle
By default, Platformars provides only 4 types of obstacles which are Destroyable, Hazard, Ground and Flying Enemy. In case your game has more complex obstacles, you can add your own obstacle type by following this guide.