onScroll is called when an OnScroll event is received.
(evname string, ev interface{})
| 270 | |
| 271 | // onScroll is called when an OnScroll event is received. |
| 272 | func (oc *OrbitControl) onScroll(evname string, ev interface{}) { |
| 273 | |
| 274 | if oc.enabled&OrbitZoom != 0 { |
| 275 | sev := ev.(*window.ScrollEvent) |
| 276 | oc.Zoom(-sev.Yoffset) |
| 277 | } |
| 278 | } |
| 279 | |
| 280 | // onKey is called when an OnKeyDown/OnKeyRepeat event is received. |
| 281 | func (oc *OrbitControl) onKey(evname string, ev interface{}) { |