# `Camera.ray`

> Contract 2.0.0 · package sha256 `a857eca95b35921109faf997094bb4192f12527d9d0fcd4be7e97f06425bad6e` · generated from `configurator-runtime.d.ts` by `services/onsite-scripter/scripts/build-contract-docs.mjs`; edit the source, not this file.

Method of [`Camera`](Camera.md) · stable · since 2.0.0 · called as `session.camera.ray`

```ts
ray(at: ScreenPoint): Ray;
```

The world ray under a screen point, with the same camera as [`project`](Camera.project.md). Sync.

## Generic-API test (spec 3.1)

| Rule | Result |
| --- | --- |
| 1. Neutral name | pass: `ray` names no product |
| 2. A precedent | pass: [Unity Camera.WorldToScreenPoint](https://docs.unity3d.com/ScriptReference/Camera.WorldToScreenPoint.html) (row `K42`); [Unity Camera.ScreenPointToRay](https://docs.unity3d.com/ScriptReference/Camera.ScreenPointToRay.html) (row `K42`) |
| 3. Two apps, or labs | pass: 21 apps (ledger: app-fc07850558, app-fc306ec3dc; fleet cross-check: app-04c2774145, app-0c773a4ee3, app-37356bf09f, app-378d190f1b, app-4762caacdc, app-4f16d2f6da, app-510d750508, app-59c5b5751e and 13 more) |
| 4. The cheaper fix first | decided per need in Appendix B: rows `K42` at tier stable (a member only where no rule, data, asset or app code serves the need) |