Contains utils to work with threejs.
- Transform
- Scene
- Cartesian coordinate
npm install jonlo-threejs-utils- SceneUtils
Scene utils
- center()
centers the camera over all the scene3d objects
Scene utils
centers the camera over all the scene3d objects
Kind: global function Example
SceneUtils.center(scene, camera, controls, 0, 1, 1);- TransformUtils
Transform utils
- rotateObject3dOnAxis(Object3d, Vector3, Number)
Rotates a Ojbect3d over a given axis
- rotateObject3dAroundPivotOnAxis(Object3d, Matrix4, Vector3, Number)
Rotates a Ojbect3d around a pivot matrix over a given axis
- createPivotMatrix(Vector3, Quaternion, Vector3)
Creates a pivot matrix
Transform utils
Rotates a Ojbect3d over a given axis
Kind: global function
| Param | Description |
|---|---|
| Object3d | object3d |
| Vector3 | axis |
| Number | radians |
Example
TransformUtils.rotateObject3dOnAxis(object3d, new Vector3(1, 0, 0), Math.degToRad(90))Rotates a Ojbect3d around a pivot matrix over a given axis
Kind: global function
| Param | Description |
|---|---|
| Object3d | object3d |
| Matrix4 | pivotMatrix |
| Vector3 | axis |
| Number | radians |
Example
TransformUtils.rotateObject3dAroundPivotOnAxis(object3d, pivotMatrix, new Vector3(1, 0, 0), Math.degToRad(90))Creates a pivot matrix
Kind: global function
| Param | Description |
|---|---|
| Vector3 | position |
| Quaternion | rotation |
| Vector3 | scale |
Example
TransformUtils.createPivotMatrix(position, rotation, scale)- CartesianCoordinatesUtils
Cartesian coordinates utils
- getPointInBetweenByPerc(Vector3, Vector3, Number)
Get the point between two points given a percentage distance
- getDirBetweenPoints(Vector3, Vector3)
Get the direction vector b etween two points
- angleBetweenVectors(Vector3, Vector3)
Get the angle between two vectors
Cartesian coordinates utils
Get the point between two points given a percentage distance
Kind: global function
| Param | Description |
|---|---|
| Vector3 | startPoint |
| Vector3 | endPoint |
| Number | percentage |
Example
CartesianCoordinatesUtils.getPointInBetweenByPerc(new Vector3(1,0,0),new Vector3(2,0,0),50)Get the direction vector b etween two points
Kind: global function
| Param | Description |
|---|---|
| Vector3 | startPoint |
| Vector3 | endPoint |
Example
CartesianCoordinatesUtils.getDirBetweenPoints(new Vector3(1,0,0),new Vector3(2,0,0))Get the angle between two vectors
Kind: global function
| Param | Description |
|---|---|
| Vector3 | v2 |
| Vector3 | v1 |
Example
CartesianCoordinatesUtils.angleBetweenVectors(new Vector3(1,0,0),new Vector3(2,0,0))