public static bool BoxSphereIntersects(BurstBoxCollider box, BurstSphereCollider sphere)
{
var closestPosition = box.ClosestPosition(sphere.Center + sphere.Offset);
var distance = Vector3.Distance(sphere.Center + sphere.Offset, closestPosition);
return(distance - sphere.Radius * sphere.Scale <= 0);
}
public static bool BoxSphereIntersects(BurstBoxCollider box, BurstSphereCollider b, out IntersectionInfo info)
{
info = new IntersectionInfo();
var closest = box.ClosestPosition(b.Center);
var distToClosest = Vector3.Distance(b.Center, closest);
var gapDistance = distToClosest - b.Radius;
var centerToClosest = closest - b.Center;
var overlapVector = (b.Radius - distToClosest) * centerToClosest.normalized;
info.GapDistance = gapDistance;
info.IsIntersecting = gapDistance <= 0 ? 1 : 0;
info.PointOnB = closest + overlapVector;
info.PointOnA = closest;
if (gapDistance <= 0)
{
info.PenetrationDirection = overlapVector;
info.PenetrationDistance = overlapVector.magnitude;
return(true);
}
info.GapDirection = overlapVector;
return(false);
}
public static bool SphereSphereIntersects(BurstSphereCollider a, BurstSphereCollider b)
{
var combinedRadius = a.Radius * a.Scale + b.Radius * b.Scale;
var distance = Vector3.Distance(a.Center + a.Offset, b.Center + b.Offset);
return(distance <= combinedRadius);
}
public static bool SphereSphereIntersects2(ref BurstSphereCollider a, BurstSphereCollider b)
{
var totalRadius = a.Radius + b.Radius;
var len = a.Center - b.Center;
var sqrLen = len.x * len.x + len.y * len.y + len.z * len.z;
return(sqrLen <= totalRadius * totalRadius);
}
public void Update(Collider collider)
{
if (collider is SphereCollider sphere)
{
Sphere = BurstColliderFactory.CreateSphere(sphere);
}
if (collider is BoxCollider box)
{
Box = BurstColliderFactory.CreateBox(box);
}
}
public static BurstBaseCollider ToBaseCollider(this BurstSphereCollider sphere, int id) => new BurstBaseCollider
{
Type = BurstColliderType.Sphere,
Sphere = sphere,
Id = id,
};
public static BurstBaseCollider ToBaseCollider(this BurstSphereCollider sphere) => new BurstBaseCollider
{
Type = BurstColliderType.Sphere,
Sphere = sphere
};
public static Vector3 ClosestPosition(this BurstSphereCollider sphere, Vector3 worldPosition)
{
return((worldPosition - sphere.Center + sphere.Offset) * sphere.Radius * sphere.Scale);
}
public static bool Contains(this BurstSphereCollider sphere, Vector3 worldPosition)
{
return(math.distance(worldPosition, sphere.Center + sphere.Offset) <= sphere.Radius * sphere.Scale);
}
public static List <BurstSphereCollider> Intersects(this BurstSphereCollider testCollider, NativeArray <BurstSphereCollider> colliders)
{
return(IntersectionJobs.SphereSphereIntersectionJob.Execute(testCollider, colliders));
}
