stiffness property
      
      num
      get
      stiffness
      
    
    
Gets or sets this edge's stiffness or resistance to compression or stretching. The default value is NaN.
Implementation
_i2.num get stiffness => _i4.getProperty(
      this,
      'stiffness',
    );
      
      set
      stiffness
      (num value) 
      
    
    
    
Implementation
set stiffness(_i2.num value) {
  _i4.setProperty(
    this,
    'stiffness',
    value,
  );
}