添加关照、全局等高线、修改图层问题

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

@@ -0,0 +1,124 @@
+import Node, { addNodeClass } from '../core/Node.js';
+import { NodeUpdateType } from '../core/constants.js';
+import { nodeObject } from '../shadernode/ShaderNode.js';
+import { attribute } from '../core/AttributeNode.js';
+import { reference, referenceBuffer } from './ReferenceNode.js';
+import { add } from '../math/OperatorNode.js';
+import { normalLocal } from './NormalNode.js';
+import { positionLocal } from './PositionNode.js';
+import { tangentLocal } from './TangentNode.js';
+import { uniform } from '../core/UniformNode.js';
+import { buffer } from './BufferNode.js';
+
+class SkinningNode extends Node {
+
+	constructor( skinnedMesh, useReference = false ) {
+
+		super( 'void' );
+
+		this.skinnedMesh = skinnedMesh;
+		this.useReference = useReference;
+
+		this.updateType = NodeUpdateType.OBJECT;
+
+		//
+
+		this.skinIndexNode = attribute( 'skinIndex', 'uvec4' );
+		this.skinWeightNode = attribute( 'skinWeight', 'vec4' );
+
+		let bindMatrixNode, bindMatrixInverseNode, boneMatricesNode;
+
+		if ( useReference ) {
+
+			bindMatrixNode = reference( 'bindMatrix', 'mat4' );
+			bindMatrixInverseNode = reference( 'bindMatrixInverse', 'mat4' );
+			boneMatricesNode = referenceBuffer( 'skeleton.boneMatrices', 'mat4', skinnedMesh.skeleton.bones.length );
+
+		} else {
+
+			bindMatrixNode = uniform( skinnedMesh.bindMatrix, 'mat4' );
+			bindMatrixInverseNode = uniform( skinnedMesh.bindMatrixInverse, 'mat4' );
+			boneMatricesNode = buffer( skinnedMesh.skeleton.boneMatrices, 'mat4', skinnedMesh.skeleton.bones.length );
+
+		}
+
+		this.bindMatrixNode = bindMatrixNode;
+		this.bindMatrixInverseNode = bindMatrixInverseNode;
+		this.boneMatricesNode = boneMatricesNode;
+
+	}
+
+	setup( builder ) {
+
+		const { skinIndexNode, skinWeightNode, bindMatrixNode, bindMatrixInverseNode, boneMatricesNode } = this;
+
+		const boneMatX = boneMatricesNode.element( skinIndexNode.x );
+		const boneMatY = boneMatricesNode.element( skinIndexNode.y );
+		const boneMatZ = boneMatricesNode.element( skinIndexNode.z );
+		const boneMatW = boneMatricesNode.element( skinIndexNode.w );
+
+		// POSITION
+
+		const skinVertex = bindMatrixNode.mul( positionLocal );
+
+		const skinned = add(
+			boneMatX.mul( skinWeightNode.x ).mul( skinVertex ),
+			boneMatY.mul( skinWeightNode.y ).mul( skinVertex ),
+			boneMatZ.mul( skinWeightNode.z ).mul( skinVertex ),
+			boneMatW.mul( skinWeightNode.w ).mul( skinVertex )
+		);
+
+		const skinPosition = bindMatrixInverseNode.mul( skinned ).xyz;
+
+		// NORMAL
+
+		let skinMatrix = add(
+			skinWeightNode.x.mul( boneMatX ),
+			skinWeightNode.y.mul( boneMatY ),
+			skinWeightNode.z.mul( boneMatZ ),
+			skinWeightNode.w.mul( boneMatW )
+		);
+
+		skinMatrix = bindMatrixInverseNode.mul( skinMatrix ).mul( bindMatrixNode );
+
+		const skinNormal = skinMatrix.transformDirection( normalLocal ).xyz;
+
+		// ASSIGNS
+
+		positionLocal.assign( skinPosition );
+		normalLocal.assign( skinNormal );
+
+		if ( builder.hasGeometryAttribute( 'tangent' ) ) {
+
+			tangentLocal.assign( skinNormal );
+
+		}
+
+	}
+
+	generate( builder, output ) {
+
+		if ( output !== 'void' ) {
+
+			return positionLocal.build( builder, output );
+
+		}
+
+	}
+
+	update( frame ) {
+
+		const object = this.useReference ? frame.object : this.skinnedMesh;
+
+		object.skeleton.update();
+
+	}
+
+}
+
+export default SkinningNode;
+
+export const skinning = ( skinnedMesh ) => nodeObject( new SkinningNode( skinnedMesh ) );
+export const skinningReference = ( skinnedMesh ) => nodeObject( new SkinningNode( skinnedMesh, true ) );
+
+addNodeClass( 'SkinningNode', SkinningNode );