rc-js-util/docs/rc-js-util.vec3.dotproduct.md

A collection of TS and C++ utilities to help writing performant and correct applications, achieved through strict typing and (removable) invariant checking.

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[Home](./index.md) &gt; [rc-js-util](./rc-js-util.md) &gt; [Vec3](./rc-js-util.vec3.md) &gt; [dotProduct](./rc-js-util.vec3.dotproduct.md)

## Vec3.dotProduct() method

**Signature:**

```typescript
dotProduct(_vec: IReadonlyVec3<TTypedArray>): number;
```

## Parameters

<table><thead><tr><th>

Parameter


</th><th>

Type


</th><th>

Description


</th></tr></thead>
<tbody><tr><td>

\_vec


</td><td>

[IReadonlyVec3](./rc-js-util.ireadonlyvec3.md)<!-- -->&lt;[TTypedArray](./rc-js-util.ttypedarray.md)<!-- -->&gt;


</td><td>


</td></tr>
</tbody></table>
**Returns:**

number