Class: CameraManagerHelper
@cognite/reveal.CameraManagerHelper
Helper methods for implementing a camera manager.
Constructors
constructor
• new CameraManagerHelper()
Methods
calculateCameraStateToFitBoundingBox
▸ Static calculateCameraStateToFitBoundingBox(camera, box, radiusFactor?): Object
Calculates camera position and target that allows to see the content of provided bounding box.
Parameters
| Name | Type | Default value | Description |
|---|---|---|---|
camera | PerspectiveCamera | undefined | Used camera instance. |
box | Box3 | undefined | Bounding box to be fitted. |
radiusFactor | number | 2 | The ratio of the distance from camera to center of box and radius of the box. |
Returns
Object
| Name | Type |
|---|---|
position | Vector3 |
target | Vector3 |
Defined in
packages/camera-manager/src/CameraManagerHelper.ts:110
calculateNewRotationFromTarget
▸ Static calculateNewRotationFromTarget(camera, newTarget): Quaternion
Calculates camera rotation from target
Parameters
| Name | Type | Description |
|---|---|---|
camera | PerspectiveCamera | Used Camera instance |
newTarget | Vector3 | The target to compute rotation from |
Returns
Quaternion
New camera rotationg
Defined in
packages/camera-manager/src/CameraManagerHelper.ts:68
calculateNewTargetFromRotation
▸ Static calculateNewTargetFromRotation(camera, rotation, currentTarget): Vector3
Calculates camera target based on new camera rotation.
Parameters
| Name | Type | Description |
|---|---|---|
camera | PerspectiveCamera | Used camera instance. |
rotation | Quaternion | New camera rotation in quaternion form. |
currentTarget | Vector3 | Current camera target. |
Returns
Vector3
Defined in
packages/camera-manager/src/CameraManagerHelper.ts:42
updateCameraNearAndFar
▸ Static updateCameraNearAndFar(camera, combinedBbox): void
Updates near and far plane of the camera based on the bounding box.
Parameters
| Name | Type | Description |
|---|---|---|
camera | PerspectiveCamera | Used camera instance. |
combinedBbox | Box3 | Bounding box of all objects on the scene. |
Returns
void