extra-animations: vortex: Fix up geometry

Author: soreau

src/extra-animations/vortex.hpp

@@ -175,7 +175,7 @@ class vortex_transformer : public wf::scene::view_2d_transformer_t
                 0.0f, 1.0f,
             };
 
-            static const float vertex_data_pos[] = {
+            const float vertex_data_pos[] = {
                 (float)src_box.x,
                 (float)src_box.y + (float)src_box.height,
                 (float)src_box.x + (float)src_box.width,
@@ -218,11 +218,6 @@ class vortex_transformer : public wf::scene::view_2d_transformer_t
         });
     }
 
-    wf::geometry_t get_bounding_box() override
-    {
-        return this->animation_geometry;
-    }
-
     wf::effect_hook_t pre_hook = [=] ()
     {
         output->render->damage(animation_geometry);