# DrawRay

> Draws a ray starting at from to from + direction.

## Definition

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

## DrawRay(Ray)

Draws a ray starting at from to from + direction.

```csharp
public static void DrawRay(Ray r)
```

### Parameters

**** (\[Ray]\(/engine/6000.0/script-reference/unityengine/ray)): 

### Examples

```csharp
using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour
{
    void OnDrawGizmosSelected()
    {
        // Draws a 5 unit long red line in front of the object
        Gizmos.color = Color.red;
        Vector3 direction = transform.TransformDirection(Vector3.forward) * 5;
        Gizmos.DrawRay(transform.position, direction);
    }
}
```

## DrawRay(Vector3, Vector3)

Draws a ray starting at from to from + direction.

```csharp
public static void DrawRay(Vector3 from, Vector3 direction)
```

### Parameters

**** (\[Vector3]\(/engine/6000.0/script-reference/unityengine/vector3)): **** (\[Vector3]\(/engine/6000.0/script-reference/unityengine/vector3)): 

### Examples

```csharp
using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour
{
    void OnDrawGizmosSelected()
    {
        // Draws a 5 unit long red line in front of the object
        Gizmos.color = Color.red;
        Vector3 direction = transform.TransformDirection(Vector3.forward) * 5;
        Gizmos.DrawRay(transform.position, direction);
    }
}
```