Feature request: extend distance measurement to support touch input with snapping

[ksinb]

Describe the bug

• In xeokit SDK 2.5.1-beta, creating Distance Measurements not working at mobile devices.

To Reproduce

• Checkout xeokit-bim-viewer.
• Run local server
• Open xeokit-bim-viewer by mobile devices
• Try to create Distance Measurements

Expected behavior

• Distance Measurements can be created on mobile devices.

Current behavior (xeokit SDK 2.5.1-beta)

• Distance Measurements can be created only with mouse events, not with touch events on mobile devices.

Smartphone (please complete the following information)

• Device: iPhone 14 Pro Max
• OS: iOS16.0
• Browser: Safari
• Version: 16.0

Additional context

• Current SDK version(2.5.1-beta), there is only a mouse control implementation and no touch control implementation
• Has the current version dropped creating Distance Measurements on touch events?

[xeolabs]

Has the current version dropped creating Distance Measurements on touch events?

These are coming in a release soon, we just wanted to evaluate a few UX options first.

[xeolabs]

Now available in https://github.com/xeokit/xeokit-sdk/releases/tag/v2.6.0-beta-15