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Rope: When first element is at target position, continue pulling at next

rope
Armin Burgmeier 2012-05-06 15:17:18 +02:00
parent a309e52de3
commit 6bb893f387
1 changed files with 24 additions and 10 deletions
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34
src/object/C4Rope.cpp
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@ -607,20 +607,34 @@ void C4Rope::Execute()
// Front/BackPull
if(FrontPull != Fix0)
{
const C4Real dx = Front->Next->GetX() - Front->GetX();
const C4Real dy = Front->Next->GetY() - Front->GetY();
const C4Real d = Len(dx, dy);
if(d != Fix0)
Front->Next->AddForce(-dx/d * FrontPull, -dy/d * FrontPull);
// Pull at all elements that are near to the front element
C4RopeElement* cur = Front;
C4Real d;
do
{
cur = cur->Next;
const C4Real dx = cur->GetX() - Front->GetX();
const C4Real dy = cur->GetY() - Front->GetY();
d = Len(dx, dy);
if(d != Fix0)
cur->AddForce(-dx/d * FrontPull, -dy/d * FrontPull);
} while(cur->Next != NULL && d < itofix(5,10*l));
}
if(BackPull != Fix0)
{
const C4Real dx = Back->Prev->GetX() - Back->GetX();
const C4Real dy = Back->Prev->GetY() - Back->GetY();
const C4Real d = Len(dx, dy);
if(d != Fix0)
Back->Prev->AddForce(-dx/d * BackPull, -dy/d * BackPull);
// Pull at all elements that are near to the back element
C4RopeElement* cur = Back;
C4Real d;
do
{
cur = cur->Prev;
const C4Real dx = cur->GetX() - Back->GetX();
const C4Real dy = cur->GetY() - Back->GetY();
d = Len(dx, dy);
if(d != Fix0)
cur->AddForce(-dx/d * BackPull, -dy/d * BackPull);
} while(cur->Prev != NULL && d < itofix(5,10*l));
}
// Apply forces