The xpLight tag enables you to control individual lights when using an X-Particles material to render the particles.

It must be applied to the light you wish to control.

Tag Properties

xpLight tag menu settings

Include

If this box is checked, the light will be used to illuminate the particles.

If unchecked, the light will continue to illuminate other scene objects, but not the particles.

Shadows

If the light casts shadows, you can turn them off for the particles only by unchecking this box.

Density

Shadow density, as in the Cinema 4D Light object Shadows tab.

Sample, Resolution, Custom

Resolution is the same as in the Cinema 4D Light object Shadows tab.

You can choose Custom from the Resolution drop-down menu and then set the custom shadow map size in the Custom field.

A low resolution will produce soft, fuzzy shadows.

If you then increase the resolution, you will get harder-edged shadows.