viewportProcessZoomStartOrStep
Starts and/or increases or decrease a zoom step process on the viewport.
Details
A mousewheel event may call this function directly for starting a zooming process.
Remark
For more information about the "ViewportProcess*()" function see ref_viewportProcessOrbitStart.
Parameters
- zoomFactor
-
Floating point value (> 0) that defines the factor the angle-of-view gets modified.