Re: [osg-users] Problem with the _yDragger in the TrackballDragger

2015-01-06 Thread Jim Feng
Hi, Robert, Thank you very much for your reply, I am using the windows platform and tried the osgmanipulator example you mentioned for version 3.0.1 and OpenSceneGraph-3.3.1. Both versions have the same problem. For instance, as shown below, the TrackballDragger has such angle and if the white

Re: [osg-users] Problem with the _yDragger in the TrackballDragger

2015-01-06 Thread Robert Osfield
Hi Jim, You don't provide any information about how you've set up up your code to use osgManipulator, or what platform, so there is no way for us to know whether it's an underlying bug in osgManipulator or something that you have done that is wrong. Without being able to recreate the problem you

[osg-users] Problem with the _yDragger in the TrackballDragger

2015-01-06 Thread Jim Feng
Hi, For the two black circles, use the cursor to drag them, the rotation is right. But for the green circle, it had to click and attach the cursor movement to it. Moreover, in most of the time, the green circle rotate in a direction different from the cursor movement direction and rotate very f

[osg-users] using LineSegmentIntersector in project based on osgOcean

2015-01-06 Thread 小风子
when I use osgUtil::LineSegmentIntersector in my project based on osgOcean ,I find a very strange problem.‍I want to detect the intersection point by push the mouse.It means when I push the mouse middle button,I need to get the intersetction of the scene.but when the manipulator is near to t