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.

See also