archive/blender-archive
Archived
1
1
Fork 0
Code Pull Requests Packages Activity

View3D: measure smoothview angle comparing quat angles

Browse Source 
Rolling the view registered as no angle-difference.
This commit is contained in:
Campbell Barton
2015-12-23 05:09:25 +11:00
parent 3e903794f4
commit b176206b94
1 changed files with 1 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
source/blender/editors/space_view3d/view3d_view.c
View File

@@ -268,17 +268,8 @@ void ED_view3d_smooth_view_ex(
* the angle between quats
* this means small rotations wont lag */
if (sview->quat && !sview->ofs && !sview->dist) {
float vec1[3] = {0, 0, 1}, vec2[3] = {0, 0, 1};
float q1[4], q2[4];
invert_qt_qt_normalized(q1, sms.dst.quat);
invert_qt_qt_normalized(q2, sms.src.quat);
mul_qt_v3(q1, vec1);
mul_qt_v3(q2, vec2);
/* scale the time allowed by the rotation */
sms.time_allowed *= (double)angle_v3v3(vec1, vec2) / M_PI; /* 180deg == 1.0 */
sms.time_allowed *= (double)angle_normalized_qtqt(sms.dst.quat, sms.src.quat) / M_PI; /* 180deg == 1.0 */
}
/* ensure it shows correct */