* Bring dat.gui inside vr

* Example code clean up.

* Refactored interaction code.

* InteractiveGroup: Added pointer events support

* Improved webxr_vr_sandbox scene

says "zoom" instead of "pan"

* NodeMaterial BSDFs, revision and updates (WIP)

* fix title

* add Math.LENGTH

* ContextNode, VarNode, NodeKeywords, LightNode (WIP) and updates

* a bit cleanup

* modify order

* PI AND RECIPROCAL_PI keywords

* Rename BSDFunctions.js -> BSDFs.js

* optimization: not recompute the world matrix

* use context material if need

* PropertyNode, texture test (WIP)

* Flow code support, LightsNode WIP

* multiples lights test, decay and distance

* fix light.intensity

* test light.intensity

* MaterialNode

* WebGPU: selective_lights example (bsdfs phong)

* cleanup

* add webgpu_selective_lights in example list

* cleanup

* use importmap

* update title

* fix example name and screenshot

* fix info text

* cleanup

* check if is texture

* cleanup example

* update screenshot

Co-authored-by: NJuan Peist <juan.peist@netcentric.biz>

* Get linear and angular velocity for targetRay and grip poses if available

WebXR spec has been updated allowing the User Agent to pass along linear and angular velocity values for the controller poses. Read this if it's available and pass attach to the _targetRay and _grip structures.

See https://immersive-web.github.io/webxr/#xrpose-interface for more info.

* fixed linting errors

* more linting issues :\

* third time's a charm

* fix check for existence of angular and linear velocity to fail gracefully when not present

* simplified to use copy instead of set

* Update WebXRController.js

Clean up code style.
Co-authored-by: NMichael Herzog <michael.herzog@human-interactive.org>
Co-authored-by: NMr.doob <info@mrdoob.com>

This reverts commit 1578a2f5.

Co-authored-by: NAki Rodic <rodic@adobe.com>

* Color: added support for add color values using uppercase

* Update Color.html

* Update Color.html

* Update Color.html

* Update Color.html

* Update Color.html

* add oimophysics instancing example

* Small refactoring

* Moved to libs. Resolved package-lock issue
Co-authored-by: NOleksii Maksymov <oleksii.maksymov@verybigthings.com>

* fix_webgl_gpgpu_birds_index_error

* screenshot

* Restore Left Right names

* Update webgl_gpgpu_birds.html
Co-authored-by: NMichael Herzog <michael.herzog@human-interactive.org>

* Examples: Refactor Sky usage.

* Examples: Clean up.
Co-authored-by: NMr.doob <info@mrdoob.com>

* Fix sun positioning in sky shader example

* Fix sun positioning in ocean shader example

* Update webgl_shaders_ocean.html
Co-authored-by: NMichael Herzog <michael.herzog@human-interactive.org>