# Vec3.__add

**Kind:** Operation

**Environments:** Game, Terrain

## Game

``` { .lua .api-signature }
Vec3 + Vec3
```

``` { .lua .api-signature }
Vec3 + number
```

[Open the full Game reference](../Game-Script-Environment/Userdata/Vec3.md#__add)

**Operations:**

| Operation | Returns | Description |
| --- | --- | --- |
| `Vec3 + Vec3` | [Vec3](../Game-Script-Environment/Userdata/Vec3.md) | Returns the sum of two vectors. |
| `Vec3 + number` | [Vec3](../Game-Script-Environment/Userdata/Vec3.md) | Returns the per element sum of a vector and a scalar. |

## Terrain

``` { .lua .api-signature }
Vec3 + Vec3
```

``` { .lua .api-signature }
Vec3 + number
```

[Open the full Terrain reference](../Terrain-Script-Environment/Userdata/Vec3.md#__add)

**Operations:**

| Operation | Returns | Description |
| --- | --- | --- |
| `Vec3 + Vec3` | [Vec3](../Terrain-Script-Environment/Userdata/Vec3.md) | Returns the sum of two vectors. |
| `Vec3 + number` | [Vec3](../Terrain-Script-Environment/Userdata/Vec3.md) | Returns the per element sum of a vector and a scalar. |