添加关照、全局等高线、修改图层问题

static/sdk/three/jsm/nodes/lighting/SpotLightNode.js

@@ -0,0 +1,90 @@
+import AnalyticLightNode from './AnalyticLightNode.js';
+import { lightTargetDirection } from './LightNode.js';
+import { addLightNode } from './LightsNode.js';
+import { getDistanceAttenuation } from './LightUtils.js';
+import { uniform } from '../core/UniformNode.js';
+import { smoothstep } from '../math/MathNode.js';
+import { objectViewPosition } from '../accessors/Object3DNode.js';
+import { positionView } from '../accessors/PositionNode.js';
+import { addNodeClass } from '../core/Node.js';
+
+import { SpotLight } from 'three';
+
+class SpotLightNode extends AnalyticLightNode {
+
+	constructor( light = null ) {
+
+		super( light );
+
+		this.coneCosNode = uniform( 0 );
+		this.penumbraCosNode = uniform( 0 );
+
+		this.cutoffDistanceNode = uniform( 0 );
+		this.decayExponentNode = uniform( 0 );
+
+	}
+
+	update( frame ) {
+
+		super.update( frame );
+
+		const { light } = this;
+
+		this.coneCosNode.value = Math.cos( light.angle );
+		this.penumbraCosNode.value = Math.cos( light.angle * ( 1 - light.penumbra ) );
+
+		this.cutoffDistanceNode.value = light.distance;
+		this.decayExponentNode.value = light.decay;
+
+	}
+
+	getSpotAttenuation( angleCosine ) {
+
+		const { coneCosNode, penumbraCosNode } = this;
+
+		return smoothstep( coneCosNode, penumbraCosNode, angleCosine );
+
+	}
+
+	setup( builder ) {
+
+		super.setup( builder );
+
+		const lightingModel = builder.context.lightingModel;
+
+		const { colorNode, cutoffDistanceNode, decayExponentNode, light } = this;
+
+		const lVector = objectViewPosition( light ).sub( positionView ); // @TODO: Add it into LightNode
+
+		const lightDirection = lVector.normalize();
+		const angleCos = lightDirection.dot( lightTargetDirection( light ) );
+		const spotAttenuation = this.getSpotAttenuation( angleCos );
+
+		const lightDistance = lVector.length();
+
+		const lightAttenuation = getDistanceAttenuation( {
+			lightDistance,
+			cutoffDistance: cutoffDistanceNode,
+			decayExponent: decayExponentNode
+		} );
+
+		const lightColor = colorNode.mul( spotAttenuation ).mul( lightAttenuation );
+
+		const reflectedLight = builder.context.reflectedLight;
+
+		lightingModel.direct( {
+			lightDirection,
+			lightColor,
+			reflectedLight,
+			shadowMask: this.shadowMaskNode
+		}, builder.stack, builder );
+
+	}
+
+}
+
+export default SpotLightNode;
+
+addNodeClass( 'SpotLightNode', SpotLightNode );
+
+addLightNode( SpotLight, SpotLightNode );