Shader Falloff

This is an additional falloff for particle modifiers.

Its use is not restricted to X-Particles; it can also be used elsewhere in Cinema 4D, if required.

The falloff appears in the Falloff tab of any object in Cinema 4D which can use falloffs, including Fields.

To use it, select xpNoiseFalloff from the Shape drop-down menu in the Falloff tab or the Type menu of a Field object.

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XP Particles Shader Falloff Settings menu.

The shader to use.

You can use a bitmap, if desired, but any channel shader will work.

Some, of course, will produce better (or more predictable) results than others.

You can scale a bitmap or (some) shaders by using a Layer shader with a Transform effect added.

If there is no shader in this field, the modifier will have no effect.

This is a scale value applied to the bitmap or shader.

This setting simply inverts the color of the bitmap or shader, so white areas are regarded as black and vice versa.