The user can create a ball-object when opening the object factory via the
The user can also delete a ball-object when saying "Delete a ball".
The user can create a ball-object when opening the object factory via the "X"-button on the left controller.
When clicking on the "Trigger"-Button you press the button.
The user can choose between creating / deleting a sphere or a cylinder (or more objects, by clicking more than once on the button).
#### O1 Selection of objects
The user can select an object by saying "Select that ball" and needs to point on the ball.
The user can also delete an object of the enviroment by selecting it with the right controller and clicking the right "Trigger"-button.
#### O2 Modification of object positions
#### O1 Selection of objects
The user can change the position of an object by saying "Move a ball there" while pointing to that position.
The user can select an object pointing on it and pressing the right "Trigger"-button. He can also release the object with the right "Trigger"-button. When pressing the right "Trigger"-button and the "A"-button at the same time the object is released and floats in the air. When pressing the right "Trigger"-button and the "B"-button at the same time the object is deleted.
#### O3 Navigation
The user can move herself to a position by saying "Move myself there" while pointing to that position.
#### O2 Modification of object positions
The user can change the position of an selected object (Pointing and pressing the "Trigger"-button) by moving the right "Joystick" back and for. She can also rotate the object when moving the right "Joystick" left or right.
