# Ray

Roblox Engine API data type from Roblox Studio 0.744.0.7441077 (version-7aaa6838d36c4448).

- Category: DataType
- HTML page: https://rapi.sleaze.dev/index/types/Ray/
- Roblox documentation: https://create.roblox.com/docs/reference/engine/datatypes/Ray

## Used by

Each entry lists the class, then the role and names of the members that use this type.

- [Camera](https://rapi.sleaze.dev/classes/Camera.md): method return `ScreenPointToRay`, `ViewportPointToRay`
- [DragDetector](https://rapi.sleaze.dev/classes/DragDetector.md): event parameter `DragContinue`, `DragContinueReplicate`, `DragStart`, `DragStartReplicate`
- [Dragger](https://rapi.sleaze.dev/classes/Dragger.md): method parameter `MouseMove`
- [Mouse](https://rapi.sleaze.dev/classes/Mouse.md): property `UnitRay`
- [RayValue](https://rapi.sleaze.dev/classes/RayValue.md): event parameter `changed`, `Changed`; property `Value`
- [WorldRoot](https://rapi.sleaze.dev/classes/WorldRoot.md): method parameter `findPartOnRay`, `FindPartOnRay`, `FindPartOnRayWithIgnoreList`, `FindPartOnRayWithWhitelist`