text: /**
   * A link list of contacts.
   * @author saharan
   */
  
  export class ContactLink {
  	// The previous contact link.
  	prev = null;
  	// The next contact link.
  	next = null;
  	// The shape of the contact.
  	shape = null;
  	// The other rigid body.
  	body = null;
  
  	constructor(contact) {
  		// The contact of the link.
  		this.contact = contact;
  	}
  }