[Engine] More entity component systems options.

4 files changed, 29 insertions, 1 deletions

diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt
index 156b6a34..7222d507 100644
--- a/examples/CMakeLists.txt
+++ b/examples/CMakeLists.txt
@@ -8,3 +8,4 @@ endfunction(make_example)
 
 make_example(simplegame)
 make_example(shooter)
+make_example(render3d)
diff --git a/tests/engine/entities.json b/tests/engine/entities.json
new file mode 100644
index 00000000..25959311
--- /dev/null
+++ b/tests/engine/entities.json
@@ -0,0 +1,23 @@
+{
+    "Entities": [
+        {
+            "name": "Object1",
+            "mass": "Hello",
+            "position": [
+                0,
+                0,
+                0
+            ],
+            "velocity": [
+                0,
+                0,
+                0
+            ],
+            "acceleration": [
+                0,
+                0,
+                0
+            ]
+        }
+    ]
+}
diff --git a/tests/engine/test.cpp b/tests/engine/test.cpp
index 6026e40a..be8e6782 100644
--- a/tests/engine/test.cpp
+++ b/tests/engine/test.cpp
@@ -8,7 +8,6 @@ int main()
     auto entity  = space.createEntity();
     auto entity2 = space.createEntity();
     auto entity3 = space.createEntity();
-
     auto entity4 = space.createEntity();
 
     yLogInfo << "Entity 1: " << entity;
diff --git a/yage/engine/system.h b/yage/engine/system.h
index 32d6fc34..9100fa17 100644
--- a/yage/engine/system.h
+++ b/yage/engine/system.h
@@ -36,6 +36,11 @@ public:
      * @param dt The time difference between the previous frame and the current one.
      */
     virtual void update(double dt) = 0;
+
+    /**
+     * Destroy the system and the components that are contained in it.
+     */
+    virtual void destroy() = 0;
 };
 
 /**