detach method
void
detach()
Implementation
void detach(){
ContactLink? prev = s1Link.prev;
ContactLink? next = s1Link.next;
if(prev!=null)prev.next=next;
if(next!=null)next.prev=prev;
if(shape1!.contactLink==s1Link)shape1!.contactLink=next;
s1Link.prev=null;
s1Link.next=null;
s1Link.shape=null;
s1Link.body=null;
shape1!.numContacts--;
prev=s2Link.prev;
next=s2Link.next;
if(prev!=null)prev.next=next;
if(next!=null)next.prev=prev;
if(shape2!.contactLink==s2Link)shape2!.contactLink=next;
s2Link.prev=null;
s2Link.next=null;
s2Link.shape=null;
s2Link.body=null;
shape2!.numContacts--;
prev=b1Link.prev;
next=b1Link.next;
if(prev!=null)prev.next=next;
if(next!=null)next.prev=prev;
if(body1!.contactLink==b1Link)body1!.contactLink=next;
b1Link.prev=null;
b1Link.next=null;
b1Link.shape=null;
b1Link.body=null;
body1!.numContacts--;
prev=b2Link.prev;
next=b2Link.next;
if(prev!=null)prev.next=next;
if(next!=null)next.prev=prev;
if(body2!.contactLink==b2Link)body2!.contactLink=next;
b2Link.prev=null;
b2Link.next=null;
b2Link.shape=null;
b2Link.body=null;
body2!.numContacts--;
manifold.body1=null;
manifold.body2=null;
constraint.body1=null;
constraint.body2=null;
constraint.detach();
shape1=null;
shape2=null;
body1=null;
body2=null;
}