With some special effects FurryBall supports there is the need to let the user change and tune some custom parameters. Particle Node is another settings node in FurryBall, it is connected directly to a ParticleShape and adds several new attributes.

To be able to use attributes described below a particle node has to be attached to a particle system you want to adjust settings for. To attach particle node to a particles, just select the particle system(s) and select 'Add Particle Attributes' from the main FurryBall menu. There is always a 'New' menu item and a list of existing particle nodes in the submenu, so you can create and attach a new particle node or attach an existing one that is already used elsewhere. See User Interface section for more details on other settings nodes.

Shading

Shadow Transparency

This enables shadowed particles to be transparent.

Shadows Opacity Multiplier

Multiplies the final per-particle opacity when generating shadow-maps (Fourier maps).

Depth Opacity Multiplier

Multiplies the final per-particle opacity when generating depth. Use this and the next parameter to adjust DoF and Particles.

Depth Center

Center for generating depth. Zero means the nearest part of particles and one means the farthest part.

Sort Priority

Particle systems with same sort priority are rendered in distance from camera order. By this attribute you can control which particle systems may be rendered in front or in back.

Opacity Bias

Shifts the zero opacity. If you set this to 0.3, all less particles with opacity less than 0.3 will be transparent.

Ignore Fog

Environment fog has no effect on this particle system.

No Motion Vectors

If checked, particles won't generate any motion vectors.

Blur

Size of post-process blur for this system.

Streak and Points

Normalize Streaks

If checked, streak particles will not scale with velocity.

World-space streak/point size

If checked, streak/point particles size will be derived from world space units (radius), instead of pixels (line width/point size).

Opacity Distance Correction

If checked, streak and point particles will be more transparent in distance.

Post color manipulation

Use Remap

If enabled, final particles colors and alpha will be modified by the curves below (post-process per particle system). This slightly changes overall transparency but allows more fine tuning.

Opacity Remap

Remap final particle opacity.

Hue (H) Remap

Remap final particle hue (H).

Saturation (S) Remap

Remap final particle saturation (S).

Value (V) Remap

Remap final particle value (V).

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