diff options
Diffstat (limited to 'indra/newview/llviewermediafocus.cpp')
| -rw-r--r-- | indra/newview/llviewermediafocus.cpp | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/indra/newview/llviewermediafocus.cpp b/indra/newview/llviewermediafocus.cpp index db31714f16..d81c332d54 100644 --- a/indra/newview/llviewermediafocus.cpp +++ b/indra/newview/llviewermediafocus.cpp @@ -227,8 +227,35 @@ void LLViewerMediaFocus::setCameraZoom(F32 padding_factor) distance += depth * 0.5; // Finally animate the camera to this new position and focal point - gAgent.setCameraPosAndFocusGlobal(LLSelectMgr::getInstance()->getSelectionCenterGlobal() + LLVector3d(pick.mNormal * distance), - LLSelectMgr::getInstance()->getSelectionCenterGlobal(), LLSelectMgr::getInstance()->getSelection()->getFirstObject()->mID ); + LLVector3d camera_pos, target_pos; + // The target lookat position is the center of the selection (in global coords) + target_pos = LLSelectMgr::getInstance()->getSelectionCenterGlobal(); + // Target look-from (camera) position is "distance" away from the target along the normal + LLVector3d pickNormal = LLVector3d(pick.mNormal); + pickNormal.normalize(); + camera_pos = target_pos + pickNormal * distance; + if (pickNormal == LLVector3d::z_axis || pickNormal == LLVector3d::z_axis_neg) + { + // If the normal points directly up, the camera will "flip" around. + // We try to avoid this by adjusting the target camera position a + // smidge towards current camera position + // *NOTE: this solution is not perfect. All it attempts to solve is the + // "looking down" problem where the camera flips around when it animates + // to that position. You still are not guaranteed to be looking at the + // media in the correct orientation. What this solution does is it will + // put the camera into position keeping as best it can the current + // orientation with respect to the face. In other words, if before zoom + // the media appears "upside down" from the camera, after zooming it will + // still be upside down, but at least it will not flip. + LLVector3d cur_camera_pos = LLVector3d(gAgent.getCameraPositionGlobal()); + LLVector3d delta = (cur_camera_pos - camera_pos); + F64 len = delta.length(); + delta.normalize(); + // Move 1% of the distance towards original camera location + camera_pos += 0.01 * len * delta; + } + + gAgent.setCameraPosAndFocusGlobal(camera_pos, target_pos, LLSelectMgr::getInstance()->getSelection()->getFirstObject()->mID ); } } void LLViewerMediaFocus::onFocusReceived() |