---
title: SCNBlendMode.add
framework: scenekit
role: symbol
role_heading: Case
path: scenekit/scnblendmode/add
---

# SCNBlendMode.add

Blend by adding the source color to the destination color.

## Declaration

```swift
case add
```

## Discussion

Discussion This mode results in a brightening effect that can be useful for making objects appear to glow relative to their surroundings.

## See Also

### Constants

- [SCNBlendMode.alpha](scenekit/scnblendmode/alpha.md)
- [SCNBlendMode.subtract](scenekit/scnblendmode/subtract.md)
- [SCNBlendMode.multiply](scenekit/scnblendmode/multiply.md)
- [SCNBlendMode.screen](scenekit/scnblendmode/screen.md)
- [SCNBlendMode.replace](scenekit/scnblendmode/replace.md)