Method GetComponentData
GetComponentData<T>(Entity)
Gets the value of a component for an entity.
Declaration
public T GetComponentData<T>(Entity entity) where T : unmanaged, IComponentData
Parameters
| Type | Name | Description | 
|---|---|---|
| Entity | entity | The entity.  | 
    
Returns
| Type | Description | 
|---|---|
| T | A struct of type T containing the component value.  | 
    
Type Parameters
| Name | Description | 
|---|---|
| T | The type of component to retrieve.  | 
    
Exceptions
| Type | Condition | 
|---|---|
| ArgumentException | Thrown if the component type has no fields.  | 
    
GetComponentData<T>(SystemHandle)
Gets the value of a component for an entity associated with a system.
Declaration
public T GetComponentData<T>(SystemHandle system) where T : unmanaged, IComponentData
Parameters
| Type | Name | Description | 
|---|---|---|
| SystemHandle | system | The system handle.  | 
    
Returns
| Type | Description | 
|---|---|
| T | A struct of type T containing the component value.  | 
    
Type Parameters
| Name | Description | 
|---|---|
| T | The type of component to retrieve.  | 
    
Exceptions
| Type | Condition | 
|---|---|
| ArgumentException | Thrown if the component type has no fields.  | 
    
| InvalidOperationException | Thrown if the system isn't from thie world.  |