---
title: "GLKVector2DotProduct(_:_:)"
framework: GLKit
role: symbol
role_heading: Function
platforms: [iOS 5.0+, iPadOS 5.0+, macOS 10.8+, tvOS 9.0+]
path: "glkit/glkvector2dotproduct(_:_:)"
---

# GLKVector2DotProduct(_:_:)

Returns the dot product of two vectors.

## Declaration

```swift
func GLKVector2DotProduct(_ vectorLeft: GLKVector2, _ vectorRight: GLKVector2) -> Float
```

## Parameters

- `vectorLeft`: The first vector.
- `vectorRight`: The second vector.

## Return Value

Return Value The dot product of the two vectors.

## See Also

### Mathematical Operations Performed on Vectors

- [GLKVector2Negate(_:)](glkit/glkvector2negate(_:).md)
- [GLKVector2Normalize(_:)](glkit/glkvector2normalize(_:).md)
- [GLKVector2AddScalar(_:_:)](glkit/glkvector2addscalar(_:_:).md)
- [GLKVector2SubtractScalar(_:_:)](glkit/glkvector2subtractscalar(_:_:).md)
- [GLKVector2MultiplyScalar(_:_:)](glkit/glkvector2multiplyscalar(_:_:).md)
- [GLKVector2DivideScalar(_:_:)](glkit/glkvector2dividescalar(_:_:).md)
- [GLKVector2Add(_:_:)](glkit/glkvector2add(_:_:).md)
- [GLKVector2Subtract(_:_:)](glkit/glkvector2subtract(_:_:).md)
- [GLKVector2Multiply(_:_:)](glkit/glkvector2multiply(_:_:).md)
- [GLKVector2Divide(_:_:)](glkit/glkvector2divide(_:_:).md)
- [GLKVector2Lerp(_:_:_:)](glkit/glkvector2lerp(_:_:_:).md)
- [GLKVector2Project(_:_:)](glkit/glkvector2project(_:_:).md)
- [GLKVector2Maximum(_:_:)](glkit/glkvector2maximum(_:_:).md)
- [GLKVector2Minimum(_:_:)](glkit/glkvector2minimum(_:_:).md)