添加关照、全局等高线、修改图层问题

static/sdk/three/jsm/nodes/accessors/PositionNode.js

@@ -0,0 +1,104 @@
+import Node, { addNodeClass } from '../core/Node.js';
+import { attribute } from '../core/AttributeNode.js';
+import { varying } from '../core/VaryingNode.js';
+import { normalize } from '../math/MathNode.js';
+import { modelWorldMatrix, modelViewMatrix } from './ModelNode.js';
+import { nodeImmutable } from '../shadernode/ShaderNode.js';
+
+class PositionNode extends Node {
+
+	constructor( scope = PositionNode.LOCAL ) {
+
+		super( 'vec3' );
+
+		this.scope = scope;
+
+	}
+
+	isGlobal() {
+
+		return true;
+
+	}
+
+	getHash( /*builder*/ ) {
+
+		return `position-${this.scope}`;
+
+	}
+
+	generate( builder ) {
+
+		const scope = this.scope;
+
+		let outputNode = null;
+
+		if ( scope === PositionNode.GEOMETRY ) {
+
+			outputNode = attribute( 'position', 'vec3' );
+
+		} else if ( scope === PositionNode.LOCAL ) {
+
+			outputNode = varying( positionGeometry );
+
+		} else if ( scope === PositionNode.WORLD ) {
+
+			const vertexPositionNode = modelWorldMatrix.mul( positionLocal );
+			outputNode = varying( vertexPositionNode );
+
+		} else if ( scope === PositionNode.VIEW ) {
+
+			const vertexPositionNode = modelViewMatrix.mul( positionLocal );
+			outputNode = varying( vertexPositionNode );
+
+		} else if ( scope === PositionNode.VIEW_DIRECTION ) {
+
+			const vertexPositionNode = positionView.negate();
+			outputNode = normalize( varying( vertexPositionNode ) );
+
+		} else if ( scope === PositionNode.WORLD_DIRECTION ) {
+
+			const vertexPositionNode = positionLocal.transformDirection( modelWorldMatrix );
+			outputNode = normalize( varying( vertexPositionNode ) );
+
+		}
+
+		return outputNode.build( builder, this.getNodeType( builder ) );
+
+	}
+
+	serialize( data ) {
+
+		super.serialize( data );
+
+		data.scope = this.scope;
+
+	}
+
+	deserialize( data ) {
+
+		super.deserialize( data );
+
+		this.scope = data.scope;
+
+	}
+
+}
+
+PositionNode.GEOMETRY = 'geometry';
+PositionNode.LOCAL = 'local';
+PositionNode.WORLD = 'world';
+PositionNode.WORLD_DIRECTION = 'worldDirection';
+PositionNode.VIEW = 'view';
+PositionNode.VIEW_DIRECTION = 'viewDirection';
+
+export default PositionNode;
+
+export const positionGeometry = nodeImmutable( PositionNode, PositionNode.GEOMETRY );
+export const positionLocal = nodeImmutable( PositionNode, PositionNode.LOCAL ).temp( 'Position' );
+export const positionWorld = nodeImmutable( PositionNode, PositionNode.WORLD );
+export const positionWorldDirection = nodeImmutable( PositionNode, PositionNode.WORLD_DIRECTION );
+export const positionView = nodeImmutable( PositionNode, PositionNode.VIEW );
+export const positionViewDirection = nodeImmutable( PositionNode, PositionNode.VIEW_DIRECTION );
+
+addNodeClass( 'PositionNode', PositionNode );