OptionalalphaOptionalalphaAlpha at the head (default: 1)
OptionalcolorTrail color (default: 0xffffff)
OptionaldepthDepth for the graphics object
OptionalmaxMaximum number of trail points (default: 20)
OptionalminMinimum distance between points to record (default: 5)
OptionalwidthTrail width in pixels (default: 4)
Alpha at the tail (default: 0)