Create/Remove Entity

func Create(worldCtx WorldContext, components ...metadata.Component) (EntityID, error)

package system

func System(worldCtx cardinal.WorldContext) error {
    // ...
	
	// Create an entity with the Location and Health component.
	entityID, err := cardinal.Create(worldCtx,
		component.Location{},
		component.Health{},
	)
	if err != nil {
		return err
	}
	
	// ...
	
	return nil
}

func CreateMany(worldCtx WorldContext, num int, components ...metadata.Component) ([]EntityID, error)

package system

func System(worldCtx cardinal.WorldContext) error {
    // ...
	
	// Create 10 entities with the Location and Health component.
	entityIDs, err := cardinal.CreateMany(worldCtx,
		10,
		component.Location{},
		component.Health{},
	)
	if err != nil {
		return err
	}
	
	// ...
	
	return nil
}

func Remove(worldCtx WorldContext, id EntityID) error

package system

func System(worldCtx cardinal.WorldContext) error {
    // ...

	// Create an entity with the Location and Health component.
	entityID, err := cardinal.Create(worldCtx,
		component.Location{},
		component.Health{},
	)
	if err != nil {
		return err
	}

	// Remove the entity we just created
	err = cardinal.Remove(worldCtx, entityID)
	if err != nil {
		return err
	}
	
	// ...
	
	return nil
}