std::pair<std::string,float> PhysicEngine::rayTest(btVector3& from,btVector3& to)
{
std::string name = "";
float d = -1;
float d1 = 10000.;
btCollisionWorld::ClosestRayResultCallback resultCallback1(from, to);
resultCallback1.m_collisionFilterMask = COL_WORLD|COL_RAYCASTING;
dynamicsWorld->rayTest(from, to, resultCallback1);
if (resultCallback1.hasHit())
{
name = static_cast<RigidBody&>(*resultCallback1.m_collisionObject).mName;
d1 = resultCallback1.m_closestHitFraction;
d = d1;
}
btCollisionWorld::ClosestRayResultCallback resultCallback2(from, to);
resultCallback2.m_collisionFilterMask = COL_ACTOR_INTERNAL|COL_ACTOR_EXTERNAL;
dynamicsWorld->rayTest(from, to, resultCallback2);
float d2 = 10000.;
if (resultCallback2.hasHit())
{
d2 = resultCallback1.m_closestHitFraction;
if(d2<=d1)
{
name = static_cast<PairCachingGhostObject&>(*resultCallback2.m_collisionObject).mName;
d = d2;
}
}
return std::pair<std::string,float>(name,d);
}
std::pair<std::string,float> PhysicEngine::rayTest(btVector3& from,btVector3& to,bool raycastingObjectOnly,bool ignoreHeightMap, Ogre::Vector3* normal)
{
std::string name = "";
float d = -1;
btCollisionWorld::ClosestRayResultCallback resultCallback1(from, to);
if(raycastingObjectOnly)
resultCallback1.m_collisionFilterMask = CollisionType_Raycasting;
else
resultCallback1.m_collisionFilterMask = CollisionType_World;
if(!ignoreHeightMap)
resultCallback1.m_collisionFilterMask = resultCallback1.m_collisionFilterMask | CollisionType_HeightMap;
dynamicsWorld->rayTest(from, to, resultCallback1);
if (resultCallback1.hasHit())
{
name = static_cast<const RigidBody&>(*resultCallback1.m_collisionObject).mName;
d = resultCallback1.m_closestHitFraction;
if (normal)
*normal = Ogre::Vector3(resultCallback1.m_hitNormalWorld.x(),
resultCallback1.m_hitNormalWorld.y(),
resultCallback1.m_hitNormalWorld.z());
}
return std::pair<std::string,float>(name,d);
}
std::pair<std::string,float> PhysicEngine::rayTest(btVector3& from,btVector3& to)
{
std::string name = "";
float d = -1;
float d1 = 10000.;
btCollisionWorld::ClosestRayResultCallback resultCallback1(from, to);
resultCallback1.m_collisionFilterMask = CollisionType_Raycasting;
dynamicsWorld->rayTest(from, to, resultCallback1);
if (resultCallback1.hasHit())
{
name = static_cast<const RigidBody&>(*resultCallback1.m_collisionObject).mName;
d1 = resultCallback1.m_closestHitFraction;
d = d1;
}
return std::pair<std::string,float>(name,d);
}
