大屏添加cesium

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

@@ -0,0 +1,33 @@
+import { vec4, NodeMaterial } from '../../nodes/Nodes.js';
+import QuadMesh from '../../objects/QuadMesh.js';
+
+const quadMesh = new QuadMesh( new NodeMaterial() );
+
+class PostProcessing {
+
+	constructor( renderer, outputNode = vec4( 0, 0, 1, 1 ) ) {
+
+		this.renderer = renderer;
+		this.outputNode = outputNode;
+
+	}
+
+	render() {
+
+		quadMesh.material.fragmentNode = this.outputNode;
+
+		quadMesh.render( this.renderer );
+
+	}
+
+	renderAsync() {
+
+		quadMesh.material.fragmentNode = this.outputNode;
+
+		return quadMesh.renderAsync( this.renderer );
+
+	}
+
+}
+
+export default PostProcessing;