createRealDerivativeRay3dDefault000 MethodStatic
- If w is nonzero, return Vector3d which is the derivative of the projected xyz with given w and 4d derivatives.
- If w is zero, return 000
createRealDerivativeRay3dDefault000(x: number, y: number, z: number, w: number, dx: number, dy: number, dz: number, dw: number, result?: Ray3d): Ray3d
| Parameter | Type | Description |
|---|---|---|
| x | number | x coordinate |
| y | number | y coordinate |
| z | number | z coordinate |
| w | number | w coordinate |
| dx | number | x coordinate of derivative |
| dy | number | y coordinate of derivative |
| dz | number | z coordinate of derivative |
| dw | number | w coordinate of derivative |
| result | Ray3d | optional result |
Defined in
Last Updated: 08 January, 2020