Units in light years and interaction sphere

Co-Authored-By: Emil Wallberg <49481622+EmilWallberg@users.noreply.github.com>

data/assets/blackholes/schwarzchild.asset

@@ -1,10 +1,21 @@
+local lightyear = 9.4607304725808E15
+local parsec = 3.0856776E16
+
 local Node = {
     Identifier = "Blackhole_Example",
+    InteractionSphere = 1 * parsec,
+    BoundingSphere = 1 * parsec,
+    Transform = {
+    Translation = {
+      Type = "StaticTranslation",
+      Position = { 10, 20, 30 }
+      }
+    },
     Renderable = {
         Type = "RenderableBlackHole",
       },
       GUI = {
-          Name = "Schwarzchild Blackhole - Example",
+          Name = "Schwarzchild Blackhole",
           Path = "/Blackholes"
         }
   }

data/profiles/blackhole.profile

@@ -10,7 +10,7 @@
     "position": {
       "x": 0,
       "y": 0,
-      "z": 30
+      "z": 80.4607304725808E15
     },
     "type": "setNavigationState",
     "up": {

modules/blackhole/rendering/renderableblackhole.cpp

@@ -65,9 +65,10 @@ namespace openspace {
     bool RenderableBlackHole::isReady() const {
         return _program != nullptr;
     }
-
     void RenderableBlackHole::update(const UpdateData&) {
-        float distanceToAnchor = (float)glm::distance(_viewport.getCameraPos(), global::navigationHandler->anchorNode()->position());
+        glm::vec3 cameraPosition = global::navigationHandler->camera()->positionVec3();
+        glm::vec3 anchorNodePosition = global::navigationHandler->anchorNode()->position();
+        float distanceToAnchor = (float)glm::distance(cameraPosition, anchorNodePosition) / distanceconstants::LightYear;
         if (abs(_rCamera - distanceToAnchor) > 0.01) {
 
             _rCamera = distanceToAnchor;