A Filled Square

• A filled object is really lots of lines or points drawn to the screen

• Using lines, we can make a simple object like a square:

• • drawing a square with lines:
  • • choose 4 points and use these to draw the lines
  • drawing a filled square with lines:
  • • choose 4 points; draw a line for each point in between 2 of the points, horizontal or vertical

• What happens if we change the line color as we go on?