Method HasComponent
HasComponent<T>(Entity)
Checks whether an entity has a specific type of component.
Declaration
[GenerateTestsForBurstCompatibility(GenericTypeArguments = new Type[] { typeof(BurstCompatibleComponentData) })]
public bool HasComponent<T>(Entity entity)Parameters
| Type | Name | Description |
|---|---|---|
| Entity | entity | The Entity object. |
Returns
| Type | Description |
|---|---|
| bool | True, if the specified entity has the component. |
Type Parameters
| Name | Description |
|---|---|
| T | The data type of the component. |
Remarks
Always returns false for an entity that has been destroyed.
HasComponent<T>(SystemHandle)
Checks whether an entity associated with a system has a specific type of component.
Declaration
[GenerateTestsForBurstCompatibility(GenericTypeArguments = new Type[] { typeof(BurstCompatibleComponentData) })]
public bool HasComponent<T>(SystemHandle system)Parameters
| Type | Name | Description |
|---|---|---|
| SystemHandle | system | The system handle. |
Returns
| Type | Description |
|---|---|
| bool | True, if the specified system entity has the component. |
Type Parameters
| Name | Description |
|---|---|
| T | The data type of the component. |
Remarks
Always returns false for an entity that has been destroyed.
HasComponent(Entity, ComponentType)
Checks whether an entity has a specific type of component.
Declaration
public bool HasComponent(Entity entity, ComponentType type)Parameters
| Type | Name | Description |
|---|---|---|
| Entity | entity | The Entity object. |
| ComponentType | type | The data type of the component. |
Returns
| Type | Description |
|---|---|
| bool | True, if the specified entity has the component. |
Remarks
Always returns false for an entity that has been destroyed.
HasComponent(SystemHandle, ComponentType)
Checks whether an entity associated with a system has a specific type of component.
Declaration
[GenerateTestsForBurstCompatibility(GenericTypeArguments = new Type[] { typeof(BurstCompatibleComponentData) })]
public bool HasComponent(SystemHandle system, ComponentType type)Parameters
| Type | Name | Description |
|---|---|---|
| SystemHandle | system | The system handle. |
| ComponentType | type | The data type of the component. |
Returns
| Type | Description |
|---|---|
| bool | True, if the specified system entity has the component. |
Remarks
Always returns false for an entity that has been destroyed.