From e8eac7db3432a56d131a645b35eb8428c38d98a5 Mon Sep 17 00:00:00 2001
From: David Rowe <david@ctrlaltstudio.com>
Date: Wed, 5 Aug 2015 13:40:57 -0700
Subject: [PATCH] Render look-at vectors and target in first person view

---
 interface/src/avatar/Avatar.cpp   | 2 ++
 interface/src/avatar/Head.cpp     | 3 +++
 interface/src/avatar/Head.h       | 1 +
 interface/src/avatar/MyAvatar.cpp | 1 +
 4 files changed, 7 insertions(+)

diff --git a/interface/src/avatar/Avatar.cpp b/interface/src/avatar/Avatar.cpp
index abb671f207..ecae0b017e 100644
--- a/interface/src/avatar/Avatar.cpp
+++ b/interface/src/avatar/Avatar.cpp
@@ -603,7 +603,9 @@ void Avatar::renderBody(RenderArgs* renderArgs, ViewFrustum* renderFrustum, floa
 
         getHand()->render(renderArgs, false);
     }
+    
     getHead()->render(renderArgs, 1.0f, renderFrustum);
+    getHead()->renderLookAts(renderArgs);
 }
 
 bool Avatar::shouldRenderHead(const RenderArgs* renderArgs) const {
diff --git a/interface/src/avatar/Head.cpp b/interface/src/avatar/Head.cpp
index 46f38acb33..bdd53cfd7f 100644
--- a/interface/src/avatar/Head.cpp
+++ b/interface/src/avatar/Head.cpp
@@ -303,6 +303,9 @@ void Head::relaxLean(float deltaTime) {
 }
 
 void Head::render(RenderArgs* renderArgs, float alpha, ViewFrustum* renderFrustum) {
+}
+
+void Head::renderLookAts(RenderArgs* renderArgs) {
     if (_renderLookatVectors) {
         renderLookatVectors(renderArgs, _leftEyePosition, _rightEyePosition, getCorrectedLookAtPosition());
     }
diff --git a/interface/src/avatar/Head.h b/interface/src/avatar/Head.h
index dff4702246..43042422d5 100644
--- a/interface/src/avatar/Head.h
+++ b/interface/src/avatar/Head.h
@@ -40,6 +40,7 @@ public:
     void setReturnToCenter (bool returnHeadToCenter) { _returnHeadToCenter = returnHeadToCenter; }
     void setRenderLookatVectors(bool onOff) { _renderLookatVectors = onOff; }
     void setRenderLookatTarget(bool onOff) { _renderLookatTarget = onOff; }
+    void renderLookAts(RenderArgs* renderArgs);
 
     /// \return orientationBase+Delta
     glm::quat getFinalOrientationInLocalFrame() const;
diff --git a/interface/src/avatar/MyAvatar.cpp b/interface/src/avatar/MyAvatar.cpp
index 2d7cf4ca5e..b1c2d113f9 100644
--- a/interface/src/avatar/MyAvatar.cpp
+++ b/interface/src/avatar/MyAvatar.cpp
@@ -1160,6 +1160,7 @@ void MyAvatar::renderBody(RenderArgs* renderArgs, ViewFrustum* renderFrustum, fl
     if (shouldRenderHead(renderArgs)) {
         getHead()->render(renderArgs, 1.0f, renderFrustum);
     }
+    getHead()->renderLookAts(renderArgs);
     getHand()->render(renderArgs, true);
 }