diff --git a/sjplayer/src/sjplayer/CircleElementScheduledController.d b/sjplayer/src/sjplayer/CircleElementScheduledController.d
index 977bb6f..04a95f5 100644
--- a/sjplayer/src/sjplayer/CircleElementScheduledController.d
+++ b/sjplayer/src/sjplayer/CircleElementScheduledController.d
@@ -1,29 +1,14 @@
 /// License: MIT
 module sjplayer.CircleElementScheduledController;
 
-import std.typecons;
-
 import sjplayer.CircleElement,
        sjplayer.ElementScheduledControllerFactory,
-       sjplayer.ScheduledController;
+       sjplayer.ScheduledController,
+       sjplayer.ShapeElementScheduledController;
 
 ///
-alias CircleElementScheduledController = ScheduledController!(
-    CircleElement,
-    [
-      "damage":       "damage",
-      "nearness_coe": "nearness_coe",
-      "weight":       "weight",
-      "smooth":       "smooth",
-      "color_r":      "color.r",
-      "color_g":      "color.g",
-      "color_b":      "color.b",
-      "color_a":      "color.a",
-    ]
-  );
-static assert(CircleElementScheduledController.AliveManagementAvailable);
-static assert(CircleElementScheduledController.MatrixModificationAvailable);
-static assert(CircleElementScheduledController.AutoInitializationAvailable);
+alias CircleElementScheduledController =
+  ShapeElementScheduledController!CircleElement;
 
 ///
 alias CircleElementScheduledControllerFactory =
diff --git a/sjplayer/src/sjplayer/ShapeElementScheduledController.d b/sjplayer/src/sjplayer/ShapeElementScheduledController.d
new file mode 100644
index 0000000..d046ff0
--- /dev/null
+++ b/sjplayer/src/sjplayer/ShapeElementScheduledController.d
@@ -0,0 +1,28 @@
+/// License: MIT
+module sjplayer.ShapeElementScheduledController;
+
+import sjplayer.CircleElement,
+       sjplayer.ElementInterface,
+       sjplayer.ElementScheduledControllerFactory,
+       sjplayer.ScheduledController;
+
+///
+template ShapeElementScheduledController(Element)
+    if (is(Element : ElementInterface)) {
+  alias ShapeElementScheduledController = ScheduledController!(
+      Element,
+      [
+        "damage":       "damage",
+        "nearness_coe": "nearness_coe",
+        "weight":       "weight",
+        "smooth":       "smooth",
+        "color_r":      "color.r",
+        "color_g":      "color.g",
+        "color_b":      "color.b",
+        "color_a":      "color.a",
+      ]
+    );
+  static assert(ShapeElementScheduledController.AliveManagementAvailable);
+  static assert(ShapeElementScheduledController.MatrixModificationAvailable);
+  static assert(ShapeElementScheduledController.AutoInitializationAvailable);
+}
diff --git a/sjplayer/src/sjplayer/SquareElementScheduledController.d b/sjplayer/src/sjplayer/SquareElementScheduledController.d
index 419caf3..aee7e94 100644
--- a/sjplayer/src/sjplayer/SquareElementScheduledController.d
+++ b/sjplayer/src/sjplayer/SquareElementScheduledController.d
@@ -1,29 +1,14 @@
 /// License: MIT
 module sjplayer.SquareElementScheduledController;
 
-import std.typecons;
-
 import sjplayer.ElementScheduledControllerFactory,
        sjplayer.ScheduledController,
+       sjplayer.ShapeElementScheduledController,
        sjplayer.SquareElement;
 
 ///
-alias SquareElementScheduledController = ScheduledController!(
-    SquareElement,
-    [
-      "damage":       "damage",
-      "nearness_coe": "nearness_coe",
-      "weight":       "weight",
-      "smooth":       "smooth",
-      "color_r":      "color.r",
-      "color_g":      "color.g",
-      "color_b":      "color.b",
-      "color_a":      "color.a",
-    ]
-  );
-static assert(SquareElementScheduledController.AliveManagementAvailable);
-static assert(SquareElementScheduledController.MatrixModificationAvailable);
-static assert(SquareElementScheduledController.AutoInitializationAvailable);
+alias SquareElementScheduledController =
+  ShapeElementScheduledController!SquareElement;
 
 ///
 alias SquareElementScheduledControllerFactory =