so i splattered paint on the bottom of one of those spinning traps. check this out:
http://www.the-neighborhood.com/HL2/paint%20bug%20(1).jpg
http://www.the-neighborhood.com/HL2/paint%20bug%20(2).jpg
the paint is suspended in the air, THEN when you look at it from the top it looks normal:
http://www.the-neighborhood.com/HL2/paint bug.jpg
http://www.the-neighborhood.com/HL2/paint%20bug%20(1).jpg
http://www.the-neighborhood.com/HL2/paint%20bug%20(2).jpg
the paint is suspended in the air, THEN when you look at it from the top it looks normal:
http://www.the-neighborhood.com/HL2/paint bug.jpg