summaryrefslogtreecommitdiff
path: root/indra/newview
diff options
context:
space:
mode:
authorGraham Linden <graham@lindenlab.com>2019-02-05 11:13:09 -0800
committerGraham Linden <graham@lindenlab.com>2019-02-05 11:13:09 -0800
commite17756e700a47bdb1857551268ee385533c9feca (patch)
treedd19295e89373c7ebcd0738771cc94da8bdcd823 /indra/newview
parent910de3048957411a8e69b09c6f98909cbf4b57fc (diff)
SL-10443
Make fix which gets 10276 and 10443, but leaves the bizarre flip at the zenith so that the sun/moon textures are always upright w.r.t the viewer.
Diffstat (limited to 'indra/newview')
-rw-r--r--indra/newview/llvosky.cpp15
1 files changed, 12 insertions, 3 deletions
diff --git a/indra/newview/llvosky.cpp b/indra/newview/llvosky.cpp
index 678f1fe748..96363045d3 100644
--- a/indra/newview/llvosky.cpp
+++ b/indra/newview/llvosky.cpp
@@ -1212,10 +1212,19 @@ bool LLVOSky::updateHeavenlyBodyGeometry(LLDrawable *drawable, F32 scale, const
S32 index_offset;
LLFace *facep;
+
LLQuaternion rot = hb.getRotation();
- LLVector3 to_dir = LLVector3::x_axis * rot;
- LLVector3 hb_right = LLVector3::y_axis_neg * rot;
- LLVector3 hb_up = LLVector3::z_axis * rot;
+ LLVector3 to_dir = LLVector3::x_axis * rot;
+
+ LLVector3 hb_right = to_dir % LLVector3::z_axis;
+ LLVector3 hb_up = hb_right % to_dir;
+
+ // at zenith so math below fails spectacularly
+ if ((to_dir * LLVector3::z_axis) > 0.99f)
+ {
+ hb_right = LLVector3::y_axis_neg * rot;
+ hb_up = LLVector3::z_axis * rot;
+ }
LLVector3 draw_pos = to_dir * HEAVENLY_BODY_DIST;