private void PullEntities(SingularityComponent component)
{
var singularityCoords = component.Owner.Transform.Coordinates;
// TODO: Maybe if we have named fixtures needs to pull out the outer circle collider (inner will be for deleting).
var entitiesToPull = EntityManager.GetEntitiesInRange(singularityCoords, component.Level * 10);
foreach (var entity in entitiesToPull)
{
if (!entity.TryGetComponent <PhysicsComponent>(out var collidableComponent) || collidableComponent.BodyType == BodyType.Static)
{
continue;
}
if (entity.HasComponent <GhostComponent>())
{
continue;
}
if (singularityCoords.EntityId != entity.Transform.Coordinates.EntityId)
{
continue;
}
var vec = (singularityCoords - entity.Transform.Coordinates).Position;
if (vec == Vector2.Zero)
{
continue;
}
var speed = 10 / vec.Length * component.Level;
collidableComponent.ApplyLinearImpulse(vec.Normalized * speed);
}
}
private void DestroyTiles(SingularityComponent component)
{
if (!component.Owner.TryGetComponent(out PhysicsComponent? physicsComponent))
{
return;
}
var worldBox = physicsComponent.GetWorldAABB();
foreach (var grid in _mapManager.FindGridsIntersecting(component.Owner.Transform.MapID, worldBox))
{
foreach (var tile in grid.GetTilesIntersecting(worldBox))
{
grid.SetTile(tile.GridIndices, Tile.Empty);
}
}
}
private void MoveSingulo(SingularityComponent singularity, PhysicsComponent physics)
{
if (singularity.Level <= 1)
{
return;
}
// TODO: Could try gradual changes instead but for now just try to replicate
var pushVector = new Vector2(_robustRandom.Next(-10, 10), _robustRandom.Next(-10, 10));
if (pushVector == Vector2.Zero)
{
return;
}
physics.LinearVelocity = Vector2.Zero;
physics.LinearVelocity = pushVector.Normalized * 2;
}