public static ProximityDetector makeSphere(SpatialVectorDouble center, double radius, bool handleParticles = false)
{
ProximityDetector detector = new ProximityDetector(EnumShapeType.SPHERE, center, new SpatialVectorDouble(new double[] { radius }));
detector.cachedKDop = KDopUtilities.makeAabbKDopByCenterAndRadius(center, radius);
detector.handleParticles = handleParticles;
return(detector);
}
public void addProximityDetector(ProximityDetector detector)
{
// make sure the bounding volumes are up to date
// PERFORMANCE< we recalc the bounding volumes for bounding volume "dirty" objects to save some cycles >
transformOnlyDirtyObjects();
recalcBoundingVolumesForDirtyObjects();
// do this to add all objects and particles which overlap
IEnumerable <ProximityDetector> listOfOneProximityDetector = new ProximityDetector[] { detector };
ProximityHelper.checkProximityDetectorsAndFireEventsForParticles(listOfOneProximityDetector, particles);
ProximityHelper.checkProximityDetectorsAndFireEventsForObjects(listOfOneProximityDetector, physicsAndMeshPairs.Select(v => v.physicsComponent));
privateProximityDetectors.Add(detector);
}
static bool checkParticleOverlap(ProximityDetector detector, PhysicsComponent particle)
{
return(detector.cachedKDop.checkIntersectPosition(particle.position));
}
static bool checkObjectOverlap(ProximityDetector detector, PhysicsComponent object_)
{
return(!KDop.checkIntersectAabb(object_.boundingVolume.kdop, detector.cachedKDop));
}
static bool checkParticleExitingExitOfObject(ProximityDetector detector, PhysicsComponent particle)
{
return(!detector.cachedKDop.checkIntersectPosition(particle.position));
}
public void removeProximityDetector(ProximityDetector detector)
{
// TODO< fire EXIT event for all contained objects and particles >
privateProximityDetectors.Remove(detector);
}