From 4ef9981544b48677f28cc88de3d9b92c676030f3 Mon Sep 17 00:00:00 2001
From: Aesylwinn <kyleacooley@gmail.com>
Date: Sun, 3 Apr 2016 16:30:50 -0400
Subject: [PATCH] Add ability to set orbit camera center outside of class.

---
 apps/opencs/view/render/cameracontroller.cpp | 18 ++++++++++++++++++
 apps/opencs/view/render/cameracontroller.hpp |  2 ++
 2 files changed, 20 insertions(+)

diff --git a/apps/opencs/view/render/cameracontroller.cpp b/apps/opencs/view/render/cameracontroller.cpp
index 3967c983d..ab066033b 100644
--- a/apps/opencs/view/render/cameracontroller.cpp
+++ b/apps/opencs/view/render/cameracontroller.cpp
@@ -367,6 +367,11 @@ namespace CSVRender
     {
     }
 
+    osg::Vec3d OrbitCameraController::getCenter() const
+    {
+        return mCenter;
+    }
+
     double OrbitCameraController::getOrbitSpeed() const
     {
         return mOrbitSpeed;
@@ -382,6 +387,19 @@ namespace CSVRender
         return mPickingMask;
     }
 
+    void OrbitCameraController::setCenter(const osg::Vec3d& value)
+    {
+        osg::Vec3d eye, center, up;
+        getCamera()->getViewMatrixAsLookAt(eye, center, up);
+
+        mCenter = value;
+        mDistance = (eye - mCenter).length();
+
+        getCamera()->setViewMatrixAsLookAt(eye, mCenter, up);
+
+        mInitialized = true;
+    }
+
     void OrbitCameraController::setOrbitSpeed(double value)
     {
         mOrbitSpeed = value;
diff --git a/apps/opencs/view/render/cameracontroller.hpp b/apps/opencs/view/render/cameracontroller.hpp
index 7c1f96e15..b1dcc320a 100644
--- a/apps/opencs/view/render/cameracontroller.hpp
+++ b/apps/opencs/view/render/cameracontroller.hpp
@@ -113,10 +113,12 @@ namespace CSVRender
 
             OrbitCameraController();
 
+            osg::Vec3d getCenter() const;
             double getOrbitSpeed() const;
             double getOrbitSpeedMultiplier() const;
             unsigned int getPickingMask() const;
 
+            void setCenter(const osg::Vec3d& center);
             void setOrbitSpeed(double value);
             void setOrbitSpeedMultiplier(double value);
             void setPickingMask(unsigned int value);