eventsGetAngle
fn
bool eventsGetAngle(gdk.event.Event event1, gdk.event.Event event2, out double angle)If both events contain X/Y information, this function will return true and return in angle the relative angle from event1 to event2. The rotation direction for positive angles is from the positive X axis towards the positive Y axis.
Parameters
event1 | first #GdkEvent |
event2 | second #GdkEvent |
angle | return location for the relative angle between both events |
Returns
true if the angle could be calculated.