# Project

> Projects a vector onto another vector.

## Definition

* **Type:** Method
* **Namespace:** [UnityEngine](/engine/6000.5/script-reference/unityengine.md)
* **Assembly:** UnityEngine.CoreModule

## Project(Vector4, Vector4)

Projects a vector onto another vector.

```csharp
public static Vector4 Project(Vector4 a, Vector4 b)
```

### Parameters

**** (\[Vector4]\(/engine/6000.5/script-reference/unityengine/vector4)): The vector to project.**** (\[Vector4]\(/engine/6000.5/script-reference/unityengine/vector4)): The vector to be projected onto.

### Returns

| Type                                                              | Description             |
| ----------------------------------------------------------------- | ----------------------- |
| [Vector4](/engine/6000.5/script-reference/unityengine/vector4.md) | `a` projected onto `b`. |

## Project(Vector4, Vector4)

Projects a vector onto another vector.

```csharp
public static Vector4 Project(in Vector4 a, in Vector4 b)
```

### Parameters

**** (\[Vector4]\(/engine/6000.5/script-reference/unityengine/vector4)): The vector to project.**** (\[Vector4]\(/engine/6000.5/script-reference/unityengine/vector4)): The vector to be projected onto.

### Returns

| Type                                                              | Description             |
| ----------------------------------------------------------------- | ----------------------- |
| [Vector4](/engine/6000.5/script-reference/unityengine/vector4.md) | `a` projected onto `b`. |