[add] Added ActorController.

sjplayer/src/sjplayer/ActorController.d

@@ -0,0 +1,58 @@
+/// License: MIT
+module sjplayer.ActorController;
+
+import std.algorithm;
+
+import gl4d;
+
+import sjscript;
+
+import sjplayer.Actor,
+       sjplayer.ScheduledController,
+       sjplayer.VarStoreInterface;
+
+///
+class ActorController : ActorScheduledController {
+ public:
+  ///
+  enum MaxAccel = 1e-1;
+
+  ///
+  this(
+      Actor actor,
+      in VarStoreInterface varstore,
+      in ParametersBlock[] operations) {
+    super(actor, varstore, operations);
+    actor_      = actor;
+    varstore_   = varstore;
+    operations_ = operations;
+  }
+
+  ///
+  void Manipulate(vec2 accel) {
+    actor_.accel += accel;
+
+    actor_.accel.x = actor_.accel.x.clamp(-MaxAccel, MaxAccel);
+    actor_.accel.y = actor_.accel.y.clamp(-MaxAccel, MaxAccel);
+
+    actor_.pos += actor_.accel;
+    // TODO: clamping the actor position
+  }
+
+ private:
+  Actor actor_;
+
+  const VarStoreInterface varstore_;
+
+  const ParametersBlock[] operations_;
+}
+
+private alias ActorScheduledController = ScheduledController!(
+    Actor,
+    [
+      "color_r": "color.r",
+      "color_g": "color.g",
+      "color_b": "color.b",
+      "color_a": "color.a",
+    ]
+  );