Re: [Interest] Qt Creator licensing for companies with Qt, Commercial developers

2020-04-05 Thread Roland Hughes
On 4/3/20 6:11 AM, Christian Gagneraud wrote: On Fri, 3 Apr 2020 at 19:09, Roland Hughes wrote: No, that was never the point of this thread. Me too: My first 'commercial' Android app, made with 'pure' commercial Qt SDK, produced its first crash report: 04-03 11:30:53.384 17079 17115 E A

Re: [Interest] Add extra rotation to a quaternion

2020-04-05 Thread Rainer Wiesenfarth
On Sun, Apr 5, 2020 at 11:04 AM Megidd Git wrote: > Hi! > I have a QQuaternion like: > QQuaternion(scalar:0.707107, vector:(0, 0, 0.707107)) > I want to add this extra rotation to my quaternion: > Rotation around point QVector3D(34.5, -40, 7.16294) in XY

Re: [Interest] Add extra rotation to a quaternion

2020-04-05 Thread Marian Beermann
Hi, convert your rotation to a quaternion and multiply both quaternions to get a quaternion representing both rotations. Note that quaternion multiplication is not commutative. See these links for some handy explanations and shortcuts https://www.euclideanspace.com/maths/geometry/rotations/conver

[Interest] Qt-5.14.2 - iOS - Drag & Drop

2020-04-05 Thread coroberti .
Hi, Thanks to Qt-team for the latest patch release. Trying to allow Drag to my app on iOS (iPad with spitted view) and working in line with: https://doc.qt.io/qt-5/dnd.html I see that dragEnterEvent () and dragMoveEvent () are never called. This is in contrast to Mac OS X where it works for the

[Interest] Add extra rotation to a quaternion

2020-04-05 Thread Megidd Git
Hi! I have a QQuaternion like: QQuaternion(scalar:0.707107, vector:(0, 0, 0.707107)) I want to add this extra rotation to my quaternion: Rotation around point QVector3D(34.5, -40, 7.16294) in XY plane by 180° I don't know how to convert my extra rotati