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# SCNParticleBirthLocation.volume

New particles can be created at any location within the volume of the emitter shape.

```
case volume
```

## Discussion

This value applies only when the [`emitterShape`](/documentation/SceneKit/SCNParticleSystem/emitterShape) property specifies one of SceneKit’s built-in basic geometries ([`SCNPlane`](/documentation/SceneKit/SCNPlane), [`SCNBox`](/documentation/SceneKit/SCNBox), [`SCNSphere`](/documentation/SceneKit/SCNSphere), [`SCNPyramid`](/documentation/SceneKit/SCNPyramid), [`SCNCone`](/documentation/SceneKit/SCNCone), [`SCNCylinder`](/documentation/SceneKit/SCNCylinder), [`SCNCapsule`](/documentation/SceneKit/SCNCapsule), [`SCNTube`](/documentation/SceneKit/SCNTube), and [`SCNTorus`](/documentation/SceneKit/SCNTorus)).

---

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