Component

protocol · iOS 13.0+ · SDK 27.1

protocol Component

A representation of a geometry or a behavior that you apply to an entity. You assemble a particular combination of behavior and appearance for an entity by adding components to the ``Entity/components`` set of an ``Entity`` instance. Each component, represented by a type that conforms to the ``Component`` protocol, defines a single aspect of the entity. For example, one might define a position in space, while another provides a visual appearance. You can add at most one component of a given type to an entity.  RealityKit has a variety of predefined component types that you can use to add commonly needed characteristics. For example, the ``ModelComponent`` specifies visual appearance with a mesh and materials. The ``CollisionComponent`` contains a shape and other information used to decide if one entity collides with another. You can also define custom component types. When you do, register that type with the system by calling the new component’s ``Component/registerComponent()`` method—a default implementation of which is provided by the ``Component`` protocol. Call this method once before using the component type. You don’t need to make this call for component types that RealityKit provides.

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This type has no directly callable members in this snapshot. See the framework’s skipped declarations for unsupported APIs.

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