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allow better customisation of flyables

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git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/trunk/supertuxkart@2208 178a84e3-b1eb-0310-8ba1-8eac791a3b58
This commit is contained in:
auria
2008-09-01 15:38:51 +00:00
parent 826bd6ef64
commit 11cc33e709
1 changed files with 46 additions and 5 deletions
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51
src/flyable.cpp
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@@ -61,10 +61,11 @@ Flyable::Flyable(Kart *kart, CollectableType type, float mass) : Moveable(false)
} // Flyable
// ----------------------------------------------------------------------------
void Flyable::createPhysics(float y_offset, const btVector3 velocity,
btCollisionShape *shape, const bool gravity, const bool rotates)
btCollisionShape *shape, const bool gravity,
const bool rotates, const btTransform* customDirection)
{
// Get Kart heading direction
btTransform trans = m_owner->getKartHeading();
btTransform trans = ( customDirection == NULL ? m_owner->getKartHeading() : *customDirection );
// Apply offset
btTransform offset_transform;
@@ -89,7 +90,6 @@ void Flyable::createPhysics(float y_offset, const btVector3 velocity,
{
m_body->setLinearVelocity(v);
if(!rotates) m_body->setAngularFactor(0.0f); // prevent rotations
//else m_body->setAngularVelocity( btVector3(5,0,0) );
}
m_body->setCollisionFlags(btCollisionObject::CF_NO_CONTACT_RESPONSE);
@@ -123,23 +123,64 @@ Flyable::~Flyable()
} // ~Flyable
//-----------------------------------------------------------------------------
void Flyable::getClosestKart(const Kart **minKart, float *minDistSquared, btVector3 *minDelta) const
void Flyable::getClosestKart(Kart **minKart, float *minDistSquared,
btVector3 *minDelta, const Kart* inFrontOf) const
{
btTransform tProjectile=getTrans();
*minDistSquared = -1.0f;
*minKart = NULL;
for(unsigned int i=0 ; i<race_manager->getNumKarts(); i++ )
{
Kart *kart = world -> getKart(i);
if(kart->isEliminated() || kart == m_owner) continue;
if(kart->isEliminated() || kart == m_owner || (!kart->isOnGround()) ) continue;
btTransform t=kart->getTrans();
btVector3 delta = t.getOrigin()-tProjectile.getOrigin();
float distance2 = delta.length2();
if(inFrontOf != NULL)
{
// Ignore karts behind the current one
float distance = kart->getDistanceDownTrack() - inFrontOf->getDistanceDownTrack();
if(distance<0) distance += world->m_track->getTrackLength();
//std::cout << "distance for " << kart->getName().c_str() << " : " << distance << std::endl;
if(distance > 50){ std::cout << kart->getName().c_str() << " is behind" << std::endl; continue; }
/*
// get the angle between the current kart and the target kart.
// ignore karts that are not within an angle range
btMatrix3x3 thisKartDirMatrix = kart->getKartHeading().getBasis();
btVector3 thisKartDirVector(thisKartDirMatrix[0][1],
thisKartDirMatrix[1][1],
0);
btVector3 targetLoc = inFrontOf->getTrans().getOrigin();
btVector3 toClosestKart(targetLoc.getX() - kart->getTrans().getOrigin().getX(),
targetLoc.getY() - kart->getTrans().getOrigin().getY(),
0);
float angle = toClosestKart.angle(thisKartDirVector);
std::cout << angle << " (angle)" << std::endl;
//if( angle>1.4f || angle<-1.4f )
// continue;
*/
/*
float angle = atan2(-(kart->getTrans().getOrigin().getX() - inFrontOf->getTrans().getOrigin().getX()),
kart->getTrans().getOrigin().getY() - inFrontOf->getTrans().getOrigin().getY() );
if( angle>1.4f || angle<-1.4f )
continue;
*/
}
if(distance2 < *minDistSquared || *minDistSquared < 0 /* not yet set */)
{
std::cout << "keeping " << kart->getName().c_str() << " for now" << std::endl;
*minDistSquared = distance2;
*minKart = kart;
*minDelta = delta;