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[Change] Apply gravity to all dynamic bodies in player frame.

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This commit is contained in:
Rtch90 2018-04-10 20:06:28 +01:00
parent 8c2a4ac3b7
commit 279b39dcd7
1 changed files with 13 additions and 8 deletions
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21
src/space.cpp
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@ -472,15 +472,20 @@ void Space::ApplyGravity(void) {
lump = (*L3D::player->GetFrame()->m_children.begin())->m_astroBody;
}
/* Just to the player and only in the most stupid way for the moment. */
/* Just in the players frame. */
if(lump) {
vector3d b1b2 = lump->GetPosition() - L3D::player->GetPosition();
const double m1m2 = L3D::player->GetMass() * lump->GetMass();
const double r = b1b2.Length();
const double force = G*m1m2 / (r*r);
b1b2.Normalize();
b1b2 = b1b2 * force;
L3D::player->AddForce(b1b2);
for(std::list<Body*>::iterator i = bodies.begin(); i!= bodies.end(); ++i) {
if((*i)->GetFrame() != L3D::player->GetFrame()) continue;
if(!(*i)->IsType(Object::DYNAMICBODY)) continue;
vector3d b1b2 = lump->GetPosition() - (*i)->GetPosition();
const double m1m2 = (*i)->GetMass() * lump->GetMass();
const double r = b1b2.Length();
const double force = G*m1m2 / (r*r);
b1b2.Normalize();
b1b2 = b1b2*force;
static_cast<DynamicBody*>(*i)->AddForce(b1b2);
}
}
}