---
title: isZero
framework: spatial
role: symbol
role_heading: Instance Property
path: spatial/ray3d/iszero
---

# isZero

A Boolean value that indicates whether all of the values of the ray are zero.

## Declaration

```swift
var isZero: Bool { get }
```

## See Also

### Checking characteristics

- [isFinite](spatial/ray3d/isfinite.md)
- [isNaN](spatial/ray3d/isnan.md)
- [intersects(_:)](spatial/ray3d/intersects(_:).md)
- [intersects(sphereOrigin:sphereRadius:)](spatial/ray3d/intersects(sphereorigin:sphereradius:).md)