SimpleRaycaster
A simple raycaster that allows to easily get items from the scene using the mouse and touch events.
Implements
Properties
components
components:
Components
The components instance to which this Raycaster belongs.
enabled
enabled:
boolean=true
mouse
readonlymouse:Mouse
The position of the mouse in the screen.
onDisposed
readonlyonDisposed:Event<unknown>
Implementation of
three
readonlythree:Raycaster
A reference to the Three.js Raycaster instance. This is used for raycasting operations.
world
world:
World
A reference to the world instance to which this Raycaster belongs. This is used to access the camera and meshes.
Methods
castRay()
castRay(
items):null|Intersection<Object3D<Object3DEventMap>>
Throws a ray from the camera to the mouse or touch event point and returns the first item found. This also takes into account the clipping planes used by the renderer.
Parameters
| Parameter | Type | Description |
|---|---|---|
items | Object3D<Object3DEventMap>[] | the meshes |
| to query. If not provided, it will query all the meshes stored in | ||
| Components.meshes. |
Returns
null | Intersection<Object3D<Object3DEventMap>>
castRayFromVector()
castRayFromVector(
origin,direction,items):null|Intersection<Object3D<Object3DEventMap>>
Casts a ray from a given origin in a given direction and returns the first item found. This method also takes into account the clipping planes used by the renderer.
Parameters
| Parameter | Type | Description |
|---|---|---|
origin | Vector3 | The origin of the ray. |
direction | Vector3 | The direction of the ray. |
items | Mesh<BufferGeometry<NormalBufferAttributes>, Material | Material[], Object3DEventMap>[] | The meshes to query. If not provided, it will query all the meshes stored in World.meshes. |
Returns
null | Intersection<Object3D<Object3DEventMap>>
The first intersection found or null if no intersection was found.
dispose()
dispose():
void
Returns
void