directionallight ...
.color RGB color default: 180.0,180.0,180.0
.rgb RGB color default: 180.0,180.0,180.0
.multiplier float default: 1.0
.attenstart float default: 80.0
.attenend float default: 320.0
.hotspot float default: 43.0
.falloff float default: 45.0
.aspect float default: 1.0
.mapbias float default: 4.0
.mapsize integer default: 256
.samplerange float default: 4.0
.raytracebias float default: 0.2
.on boolean
.enabled boolean
.hsv HSV color
.hue color channel
.saturation color channel
.value color channel
.showCone boolean
.overShoot boolean
.coneShape