| position | Center of the sphere. | 
| radius | Radius of the sphere. | 
| results | The buffer to store the results into. | 
| layerMask | A Layer mask that is used to selectively ignore colliders when casting a ray. | 
| queryTriggerInteraction | Specifies whether this query should hit Triggers. | 
int
        The amount of colliders stored into the results buffer.
      
Computes and stores colliders touching or inside the sphere into the provided buffer.
See Also: Physics.OverlapSphereNonAlloc.