filled in Engine::Object::{get,set}Position()

git-svn-id: svn://anubis/anaglym/trunk@44 99a6e188-d820-4881-8870-2d33a10e2619

ag.cc

@@ -246,6 +246,7 @@ namespace ag
                             position[i] = lua_tonumber(L, i + 2);
                         }
                     }
+                    obj->setPosition(position[0], position[1], position[2]);
                 }
             }
 
@@ -260,9 +261,15 @@ namespace ag
                 Engine::Object * obj = getObject(L, 1);
                 if (obj != NULL)
                 {
+                    double x, y, z;
+                    obj->getPosition(&x, &y, &z);
+                    lua_pushnumber(L, x);
+                    lua_pushnumber(L, y);
+                    lua_pushnumber(L, z);
+                    return 3;
                 }
             }
-            return 3;
+            return 0;
         }
     }
 }

anaglym.cc

@@ -239,3 +239,22 @@ void Engine::Object::loadPhy(const std::string & path, bool static_data)
 {
     geoms = g_engine->m_world.loadPhy(path, &body, static_data);
 }
+
+void Engine::Object::setPosition(double x, double y, double z)
+{
+    if (body != 0)
+    {
+        dBodySetPosition(body, x, y, z);
+    }
+}
+
+void Engine::Object::getPosition(double * x, double * y, double * z)
+{
+    if (body != 0)
+    {
+        const dReal * pos = dBodyGetPosition(body);
+        *x = pos[0];
+        *y = pos[1];
+        *z = pos[2];
+    }
+}

anaglym.h

@@ -26,6 +26,8 @@ class Engine
                 void draw() { glCallList(display_list); }
                 void loadPhy(const std::string & path,
                         bool static_data = false);
+                void setPosition(double x, double y, double z);
+                void getPosition(double * x, double * y, double * z);
         };
 
         Engine();