Noise Operator 

Noise modifier allows adding procedural noise to hair and optionally animating its movement. It can also be used to fake wind animation on short hairs or to add an extra layer of animation to already simulated hair.

 

Parameters 

• Amount
  Set the noise amount.
• Amount Vector
  Noise strength specified individually for axis.
• Amount Channel
• Noise Scale
  Frequency of the noise pattern.
• Space Offset
  Move the noise pattern along each axis.
• Time Offset
• World Space
  When on, the directional parameters will be applied as world-space vectors.
• Preserve Strand Length
  Preserve the strand length when applying deformations.
• Movement Direction
  Vector specifying in which direction the noise pattern will be moved.
• Movement Speed
  Specifies how fast the noise pattern will move.
• Follow Target
• Target

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