大屏添加cesium

public/sdk/three/jsm/nodes/lighting/DirectionalLightNode.js

@@ -0,0 +1,41 @@
+import AnalyticLightNode from './AnalyticLightNode.js';
+import { lightTargetDirection } from './LightNode.js';
+import { addLightNode } from './LightsNode.js';
+import { addNodeClass } from '../core/Node.js';
+
+import { DirectionalLight } from 'three';
+
+class DirectionalLightNode extends AnalyticLightNode {
+
+	constructor( light = null ) {
+
+		super( light );
+
+	}
+
+	setup( builder ) {
+
+		super.setup( builder );
+
+		const lightingModel = builder.context.lightingModel;
+
+		const lightColor = this.colorNode;
+		const lightDirection = lightTargetDirection( this.light );
+		const reflectedLight = builder.context.reflectedLight;
+
+		lightingModel.direct( {
+			lightDirection,
+			lightColor,
+			reflectedLight,
+			shadowMask: this.shadowMaskNode
+		}, builder.stack, builder );
+
+	}
+
+}
+
+export default DirectionalLightNode;
+
+addNodeClass( 'DirectionalLightNode', DirectionalLightNode );
+
+addLightNode( DirectionalLight, DirectionalLightNode );