public void AppendLinearJoint(LJoint.Specs specs, Body body)
 {
     btSoftBody_appendLinearJoint3(_native, specs._native, body._native);
 }
 public void AppendLinearJoint(LJoint.Specs specs, Cluster body0, Body body1)
 {
     btSoftBody_appendLinearJoint4(_native, specs._native, body0._native, body1._native);
 }
 public void AppendLinearJoint(LJoint.Specs specs)
 {
     btSoftBody_appendLinearJoint2(_native, specs._native);
 }