Move to Renderer V2

packages/utils/src/motion/Queue.ts

@@ -0,0 +1,71 @@
+import { Motion } from './Motion';
+
+export class Queue extends Motion
+{
+    private _motion: Motion;
+    private _queue: Motion[];
+
+    constructor(...motions: Motion[])
+    {
+        super((motions ? motions[0].target : null));
+
+        this._queue = [];
+
+        for(const motion of motions) this._queue.push(motion);
+
+        this._motion = motions[0];
+        this._complete = !this._motion;
+    }
+
+    public get running(): boolean
+    {
+        return ((this._running && this._motion) ? this._motion.running : false);
+    }
+
+    public start(): void
+    {
+        super.start();
+
+        this._motion.start();
+    }
+
+    public update(k: number): void
+    {
+        super.update(k);
+
+        if(this._motion.running) this._motion.update(k);
+    }
+
+    public stop(): void
+    {
+        super.stop();
+
+        this._motion.stop();
+    }
+
+    public tick(k: number): void
+    {
+        super.tick(k);
+
+        this._motion.tick(k);
+
+        if(this._motion.complete)
+        {
+            this._motion.stop();
+
+            const index = this._queue.indexOf(this._motion);
+
+            if(index < (this._queue.length - 1))
+            {
+                this._motion = this._queue[(index + 1)];
+                this._target = this._motion.target;
+
+                this._motion.start();
+            }
+            else
+            {
+                this._complete = true;
+            }
+        }
+    }
+}