public override void Click(Entity entity, ItemStack item)
{
if (!(entity is PlayerEntity))
{
// TODO: non-player support
return;
}
PlayerEntity player = (PlayerEntity)entity;
Location end = player.ItemSource() + player.ItemDir * 5;
CollisionResult cr = player.TheRegion.Collision.CuboidLineTrace(new Location(0.1, 0.1, 0.1), player.GetEyePosition(), end, player.IgnoreThis);
if (cr.Hit && cr.HitEnt != null)
{
// TODO: handle static world impact
PhysicsEntity pe = (PhysicsEntity)cr.HitEnt.Tag;
if (pe.GetMass() > 0 && pe.GetMass() < 200)
{
Grab(player, pe, cr.Position);
}
else
{
// If (HandHold) { Grab(player, pe, cr.Position); }
}
}
}
public static float CalculateDistance(PhysicsEntity a, PhysicsEntity b, float gravitationalForceMagnitude)
{
return(Mathf.Sqrt(G * ((b.GetMass() * a.GetMass()) / gravitationalForceMagnitude)));
}
public static Vector2 CalculateGravitationalForce(PhysicsEntity a, PhysicsEntity b)
{
return(CalculateGravitationalForce(a.GetPosition(), a.GetMass(), b.GetPosition(), b.GetMass()));
}