大屏添加cesium

public/sdk/three/jsm/nodes/display/PosterizeNode.js

@@ -0,0 +1,32 @@
+import TempNode from '../core/TempNode.js';
+import { addNodeClass } from '../core/Node.js';
+import { addNodeElement, nodeProxy } from '../shadernode/ShaderNode.js';
+
+class PosterizeNode extends TempNode {
+
+	constructor( sourceNode, stepsNode ) {
+
+		super();
+
+		this.sourceNode = sourceNode;
+		this.stepsNode = stepsNode;
+
+	}
+
+	setup() {
+
+		const { sourceNode, stepsNode } = this;
+
+		return sourceNode.mul( stepsNode ).floor().div( stepsNode );
+
+	}
+
+}
+
+export default PosterizeNode;
+
+export const posterize = nodeProxy( PosterizeNode );
+
+addNodeElement( 'posterize', posterize );
+
+addNodeClass( 'PosterizeNode', PosterizeNode );