Scene extended to display any drawable objects

GUI/src/main/java/cz/fidentis/analyst/scene/Scene.java

@@ -16,6 +16,7 @@ public class Scene {
     private final List<DrawableFace> drawableFaces = new ArrayList<>();
     private final List<DrawableFeaturePoints> drawableFeaturePoints = new ArrayList<>();
     private final List<DrawablePlane> drawableSymmetryPlanes = new ArrayList<>();
+    private final List<Drawable> otherDrawables = new ArrayList<>();
     
     /**
      * Constructor for single face analysis.
@@ -153,6 +154,20 @@ public class Scene {
         }
     }
     
+    /**
+     * Adds new drawable object to the scene.
+     * 
+     * <p>
+     * Note: This drawable object is ignored in the {@link setDefaultColors} method.
+     * The caller must take care of the colors of the object themself.
+     * </p>
+     * 
+     * @param otherDrawable Drawable object to be added to the scene
+     */
+    public void addOtherDrawable(Drawable otherDrawable) {
+        otherDrawables.add(otherDrawable);
+    }
+    
     /**
      * Returns all drawable objects.
      * 
@@ -163,6 +178,7 @@ public class Scene {
         ret.addAll(this.drawableFaces);
         ret.addAll(this.drawableFeaturePoints);
         ret.addAll(this.drawableSymmetryPlanes);
+        ret.addAll(this.otherDrawables);
         while (ret.remove(null)) {}
         return ret;
     }