unreal.HairCollisionConstraint

class unreal.HairCollisionConstraint

Bases: StructBase

Hair Collision Constraint

C++ Source:

  • Plugin: HairStrands

  • Module: HairStrandsCore

  • File: GroomAssetPhysics.h

Editor Properties: (see get_editor_property/set_editor_property)

  • collision_radius (float): [Read-Write] Radius that will be used for the collision detection against the physics asset

  • grid_dimension (IntVector): [Read-Write] Dimension of the grid used to compute the viscosity force

  • kinetic_friction (float): [Read-Write] Kinetic friction used for collision against the physics asset

  • project_collision (bool): [Read-Write] Enable ther projection of the collision constraint after the xpbd loop

  • radius_scale (RuntimeFloatCurve): [Read-Write] This curve determines how much the collision radius will be scaled along each strand.

    The X axis range is [0,1], 0 mapping the root and 1 the tip

  • solve_collision (bool): [Read-Write] Enable the solve of the collision constraint during the xpbd loop

  • static_friction (float): [Read-Write] Static friction used for collision against the physics asset

  • strands_viscosity (float): [Read-Write] Viscosity parameter between 0 and 1 that will be used for self collision