Game Development Reference
2. Draw another green rectangle on top of the first one at a 90-degree angle to form an L shape,
as shown in Figure 2-22.
Figure 2-22. Add a second rectangle.
Flash's built-in drawing system uses vector lines and shapes (created by plotting points mathemati-
cally). If you overlap two vector shapes that are the same color on the same layer, they merge to
become one shape. If you try selecting either of the green rectangles you created in the preceding
steps with the arrow Selection tool, they will become one big shape (you can't select them individually