The Flash drawing application programming interface (API) allows you to draw things such as basic shapes and fills using ActionScript. Technically, this is possible because all display objects have a
graphics property that can access the methods of the drawing API.
There are four methods that you need to know to be able to draw lines and curves:
lineStyle(width, color, alpha)method takes three arguments: the width of the line to be drawn, the line color, and its transparency.
moveTo(x, y)method moves the cursor to the specified location
(x, y)without drawing anything.
lineTo(x, y)method draws a straight line from the current location to the ...