大屏添加cesium

public/sdk/three/jsm/renderers/common/Animation.js

@@ -0,0 +1,50 @@
+class Animation {
+
+	constructor( nodes, info ) {
+
+		this.nodes = nodes;
+		this.info = info;
+
+		this.animationLoop = null;
+		this.requestId = null;
+
+		this._init();
+
+	}
+
+	_init() {
+
+		const update = ( time, frame ) => {
+
+			this.requestId = self.requestAnimationFrame( update );
+
+			if ( this.info.autoReset === true ) this.info.reset();
+
+			this.nodes.nodeFrame.update();
+
+			this.info.frame = this.nodes.nodeFrame.frameId;
+
+			if ( this.animationLoop !== null ) this.animationLoop( time, frame );
+
+		};
+
+		update();
+
+	}
+
+	dispose() {
+
+		self.cancelAnimationFrame( this.requestId );
+		this.requestId = null;
+
+	}
+
+	setAnimationLoop( callback ) {
+
+		this.animationLoop = callback;
+
+	}
+
+}
+
+export default Animation;