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# Class Path3

Represents a 3D path made up of multiple 3D points

• Path3

## Constructors

### constructor

• new Path3D(path, normal, raw) Creates a Path3D. A Path3D is a logical math object, so not a mesh. please read the description in the tutorial : http://doc.babylonjs.com/tutorials/How_to_use_Path3D

#### Parameters

• ##### path: Vector3[]

an array of Vector3, the curve axis of the Path3D

• ##### Optional raw: boolean

(optional, default false) : boolean, if true the returned Path3D isn't normalized. Useful to depict path acceleration or speed.

## Methods

### getBinormals

• Returns an array populated with binormal vectors on each Path3D curve point.

#### Returns Vector3[]

an array populated with binormal vectors on each Path3D curve point.

### getCurve

• Returns the Path3D array of successive Vector3 designing its curve.

#### Returns Vector3[]

the Path3D array of successive Vector3 designing its curve.

### getDistances

• getDistances(): number[]
• Returns an array populated with distances (float) of the i-th point from the first curve point.

#### Returns number[]

an array populated with distances (float) of the i-th point from the first curve point.

### getNormals

• Returns an array populated with normal vectors on each Path3D curve point.

#### Returns Vector3[]

an array populated with normal vectors on each Path3D curve point.

### getTangents

• Returns an array populated with tangent vectors on each Path3D curve point.

#### Returns Vector3[]

an array populated with tangent vectors on each Path3D curve point.

### update

• Forces the Path3D tangent, normal, binormal and distance recomputation.

#### Parameters

• ##### path: Vector3[]

path which all values are copied into the curves points

• ##### Optional firstNormal: Vector3

which should be projected onto the curve

#### Returns Path3

the same object updated.