# brightness

> The strength of the flare.

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine](/engine/6000.0/script-reference/unityengine.md)
* **Assembly:** UnityEngine.CoreModule

```csharp
public float brightness { get; set; }
```

### Remarks

This controls the size and brightness of the flare elements.

Additional Resources: [Lens flare component](/engine/6000.0/manual/visual-effects/lens-flares/lens-flare-birp/class-lens-flare.md), [flare assets](/engine/6000.0/manual/visual-effects/lens-flares/lens-flare-birp/class-flare.md).

### Examples

```csharp
using UnityEngine;

public class Example : MonoBehaviour
{
    // Increments the strenght of the Lensflare lf when the Transform tr
    // gets closer to the Lens flare

    public LensFlare lf;
    public Transform tr;

    void Update()
    {
        lf.brightness = 1 / Vector3.Distance(lf.transform.position, tr.position);
    }
}
```