: You can animate the "Factor Start/End" mapping to make the trail grow or follow the curve over time. Alternative Methods for Creating Trails
If you prefer a manual approach or a different style, consider these options: Draw Simple LIGHT TRAILS in Blender Archivo de Descarga Blender - Light Trails Gene...
: Users can easily tweak parameters for color, shape, radius, length , and more directly from the modifier tab. : You can animate the "Factor Start/End" mapping