code: function(){
  
              var its = this.options.iterations
                  ,coef = 1 / its
                  ;
  
              for (var i = 0; i < its; i++){
  
                  // this.shuffleConstraints();
                  this.resolveDistanceConstraints( coef );
                  this.resolveAngleConstraints( coef );
              }
          }
docs: internal
  VerletConstraintsBehavior#resolve()
  
  Resolve all constraints.