[size=100][size=150]When interacting with the applet, keep in mind that you can:[br][br]-Use the tools in the menu along the top of the applet screen[br]-Move the [color=#6aa84f][b]green[/b][/color] and [b][color=#0000ff]blue[/color][/b] points[br]-Adjust the Dilation Factor with the slider[br]-Use the checkbox to view rays[/size][/size]