From 6c6131c7b35b99d3285d316efdcfb7970673fbe0 Mon Sep 17 00:00:00 2001
From: Brad Hefta-Gaub <brad@highfidelity.io>
Date: Fri, 25 Mar 2016 11:22:54 -0700
Subject: [PATCH] fix the doppelganger

---
 libraries/entities-renderer/src/RenderableModelEntityItem.cpp | 3 +++
 libraries/entities-renderer/src/RenderableModelEntityItem.h   | 2 ++
 2 files changed, 5 insertions(+)

diff --git a/libraries/entities-renderer/src/RenderableModelEntityItem.cpp b/libraries/entities-renderer/src/RenderableModelEntityItem.cpp
index c755bd6807..5be7f10470 100644
--- a/libraries/entities-renderer/src/RenderableModelEntityItem.cpp
+++ b/libraries/entities-renderer/src/RenderableModelEntityItem.cpp
@@ -354,6 +354,7 @@ void RenderableModelEntityItem::updateModelBounds() {
     bool movingOrAnimating = isMovingRelativeToParent() || isAnimatingSomething();
     if ((movingOrAnimating ||
          _needsInitialSimulation ||
+         _needsJointSimulation ||
          _model->getTranslation() != getPosition() ||
          _model->getScaleToFitDimensions() != getDimensions() ||
          _model->getRotation() != getRotation() ||
@@ -371,6 +372,7 @@ void RenderableModelEntityItem::updateModelBounds() {
         }
 
         _needsInitialSimulation = false;
+        _needsJointSimulation = false;
     }
 }
 
@@ -772,6 +774,7 @@ bool RenderableModelEntityItem::setAbsoluteJointRotationInObjectFrame(int index,
             _absoluteJointRotationsInObjectFrameDirty[index] = true;
             result = true;
         }
+        _needsJointSimulation = true;
     });
     return result;
 }
diff --git a/libraries/entities-renderer/src/RenderableModelEntityItem.h b/libraries/entities-renderer/src/RenderableModelEntityItem.h
index 069b7385b5..03e59e97c1 100644
--- a/libraries/entities-renderer/src/RenderableModelEntityItem.h
+++ b/libraries/entities-renderer/src/RenderableModelEntityItem.h
@@ -97,6 +97,8 @@ private:
     bool _showCollisionHull = false;
 
     bool getAnimationFrame();
+
+    bool _needsJointSimulation { false };
 };
 
 #endif // hifi_RenderableModelEntityItem_h