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node_modules/three/examples/jsm/nodes/materials/InstancedPointsNodeMaterial.js

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+import NodeMaterial, { addNodeMaterial } from './NodeMaterial.js';
+import { varying } from '../core/VaryingNode.js';
+import { property } from '../core/PropertyNode.js';
+import { attribute } from '../core/AttributeNode.js';
+import { cameraProjectionMatrix } from '../accessors/CameraNode.js';
+import { materialColor, materialPointWidth } from '../accessors/MaterialNode.js'; // or should this be a property, instead?
+import { modelViewMatrix } from '../accessors/ModelNode.js';
+import { positionGeometry } from '../accessors/PositionNode.js';
+import { smoothstep } from '../math/MathNode.js';
+import { tslFn, vec2, vec4 } from '../shadernode/ShaderNode.js';
+import { uv } from '../accessors/UVNode.js';
+import { viewport } from '../display/ViewportNode.js';
+
+import { PointsMaterial } from 'three';
+
+const defaultValues = new PointsMaterial();
+
+class InstancedPointsNodeMaterial extends NodeMaterial {
+
+	constructor( params = {} ) {
+
+		super();
+
+		this.normals = false;
+
+		this.lights = false;
+
+		this.useAlphaToCoverage = true;
+
+		this.useColor = params.vertexColors;
+
+		this.pointWidth = 1;
+
+		this.pointColorNode = null;
+
+		this.setDefaultValues( defaultValues );
+
+		this.setupShaders();
+
+		this.setValues( params );
+
+	}
+
+	setupShaders() {
+
+		const useAlphaToCoverage = this.alphaToCoverage;
+		const useColor = this.useColor;
+
+		this.vertexNode = tslFn( () => {
+
+			//vUv = uv;
+			varying( vec2(), 'vUv' ).assign( uv() ); // @TODO: Analyze other way to do this
+
+			const instancePosition = attribute( 'instancePosition' );
+
+			// camera space
+			const mvPos = property( 'vec4', 'mvPos' );
+			mvPos.assign( modelViewMatrix.mul( vec4( instancePosition, 1.0 ) ) );
+
+			const aspect = viewport.z.div( viewport.w );
+
+			// clip space
+			const clipPos = cameraProjectionMatrix.mul( mvPos );
+
+			// offset in ndc space
+			const offset = property( 'vec2', 'offset' );
+			offset.assign( positionGeometry.xy );
+			offset.assign( offset.mul( materialPointWidth ) );
+			offset.assign( offset.div( viewport.z ) );
+			offset.y.assign( offset.y.mul( aspect ) );
+
+			// back to clip space
+			offset.assign( offset.mul( clipPos.w ) );
+
+			//clipPos.xy += offset;
+			clipPos.assign( clipPos.add( vec4( offset, 0, 0 ) ) );
+
+			return clipPos;
+
+			//vec4 mvPosition = mvPos; // this was used for somethihng...
+
+		} )();
+
+		this.colorNode = tslFn( () => {
+
+			const vUv = varying( vec2(), 'vUv' );
+
+			// force assignment into correct place in flow
+			const alpha = property( 'float', 'alpha' );
+			alpha.assign( 1 );
+
+			const a = vUv.x;
+			const b = vUv.y;
+
+			const len2 = a.mul( a ).add( b.mul( b ) );
+
+			if ( useAlphaToCoverage ) {
+
+				// force assignment out of following 'if' statement - to avoid uniform control flow errors
+				const dlen = property( 'float', 'dlen' );
+				dlen.assign( len2.fwidth() );
+
+				alpha.assign( smoothstep( dlen.oneMinus(), dlen.add( 1 ), len2 ).oneMinus() );
+
+			} else {
+
+				len2.greaterThan( 1.0 ).discard();
+
+			}
+
+			let pointColorNode;
+
+			if ( this.pointColorNode ) {
+
+				pointColorNode = this.pointColorNode;
+
+			} else {
+
+				if ( useColor ) {
+
+					const instanceColor = attribute( 'instanceColor' );
+
+					pointColorNode = instanceColor.mul( materialColor );
+
+				} else {
+
+					pointColorNode = materialColor;
+
+				}
+
+			}
+
+			return vec4( pointColorNode, alpha );
+
+		} )();
+
+		this.needsUpdate = true;
+
+	}
+
+	get alphaToCoverage() {
+
+		return this.useAlphaToCoverage;
+
+	}
+
+	set alphaToCoverage( value ) {
+
+		if ( this.useAlphaToCoverage !== value ) {
+
+			this.useAlphaToCoverage = value;
+			this.setupShaders();
+
+		}
+
+	}
+
+}
+
+export default InstancedPointsNodeMaterial;
+
+addNodeMaterial( 'InstancedPointsNodeMaterial', InstancedPointsNodeMaterial );

node_modules/three/examples/jsm/nodes/materials/Line2NodeMaterial.js

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+import NodeMaterial, { addNodeMaterial } from './NodeMaterial.js';
+import { temp } from '../core/VarNode.js';
+import { varying } from '../core/VaryingNode.js';
+import { property } from '../core/PropertyNode.js';
+import { attribute } from '../core/AttributeNode.js';
+import { cameraProjectionMatrix } from '../accessors/CameraNode.js';
+import { materialColor, materialLineScale, materialLineDashSize, materialLineGapSize, materialLineDashOffset, materialLineWidth } from '../accessors/MaterialNode.js';
+import { modelViewMatrix } from '../accessors/ModelNode.js';
+import { positionGeometry } from '../accessors/PositionNode.js';
+import { mix, smoothstep } from '../math/MathNode.js';
+import { tslFn, float, vec2, vec3, vec4, If } from '../shadernode/ShaderNode.js';
+import { uv } from '../accessors/UVNode.js';
+import { viewport } from '../display/ViewportNode.js';
+import { dashSize, gapSize } from '../core/PropertyNode.js';
+
+import { LineDashedMaterial } from 'three';
+
+const defaultValues = new LineDashedMaterial();
+
+class Line2NodeMaterial extends NodeMaterial {
+
+	constructor( params = {} ) {
+
+		super();
+
+		this.normals = false;
+		this.lights = false;
+
+		this.setDefaultValues( defaultValues );
+
+		this.useAlphaToCoverage = true;
+		this.useColor = params.vertexColors;
+		this.useDash = params.dashed;
+		this.useWorldUnits = false;
+
+		this.dashOffset = 0;
+		this.lineWidth = 1;
+
+		this.lineColorNode = null;
+
+		this.offsetNode = null;
+		this.dashScaleNode = null;
+		this.dashSizeNode = null;
+		this.gapSizeNode = null;
+
+		this.setupShaders();
+
+		this.setValues( params );
+
+	}
+
+	setupShaders() {
+
+		const useAlphaToCoverage = this.alphaToCoverage;
+		const useColor = this.useColor;
+		const useDash = this.dashed;
+		const useWorldUnits = this.worldUnits;
+
+		const trimSegment = tslFn( ( { start, end } ) => {
+
+			const a = cameraProjectionMatrix.element( 2 ).element( 2 ); // 3nd entry in 3th column
+			const b = cameraProjectionMatrix.element( 3 ).element( 2 ); // 3nd entry in 4th column
+			const nearEstimate = b.mul( -0.5 ).div( a );
+
+			const alpha = nearEstimate.sub( start.z ).div( end.z.sub( start.z ) );
+
+			return vec4( mix( start.xyz, end.xyz, alpha ), end.w );
+
+		} );
+
+		this.vertexNode = tslFn( () => {
+
+			varying( vec2(), 'vUv' ).assign( uv() ); // @TODO: Analyze other way to do this
+
+			const instanceStart = attribute( 'instanceStart' );
+			const instanceEnd = attribute( 'instanceEnd' );
+
+			// camera space
+
+			const start = property( 'vec4', 'start' );
+			const end = property( 'vec4', 'end' );
+
+			start.assign( modelViewMatrix.mul( vec4( instanceStart, 1.0 ) ) ); // force assignment into correct place in flow
+			end.assign( modelViewMatrix.mul( vec4( instanceEnd, 1.0 ) ) );
+
+			if ( useWorldUnits ) {
+
+				varying( vec3(), 'worldStart' ).assign( start.xyz );
+				varying( vec3(), 'worldEnd' ).assign( end.xyz );
+
+			}
+
+			const aspect = viewport.z.div( viewport.w );
+
+			// special case for perspective projection, and segments that terminate either in, or behind, the camera plane
+			// clearly the gpu firmware has a way of addressing this issue when projecting into ndc space
+			// but we need to perform ndc-space calculations in the shader, so we must address this issue directly
+			// perhaps there is a more elegant solution -- WestLangley
+
+			const perspective = cameraProjectionMatrix.element( 2 ).element( 3 ).equal( -1.0 ); // 4th entry in the 3rd column
+
+			If( perspective, () => {
+
+				If( start.z.lessThan( 0.0 ).and( end.z.greaterThan( 0.0 ) ), () => {
+
+					end.assign( trimSegment( { start: start, end: end } ) );
+
+				} ).elseif( end.z.lessThan( 0.0 ).and( start.z.greaterThanEqual( 0.0 ) ), () => {
+
+					start.assign( trimSegment( { start: end, end: start } ) );
+
+			 	} );
+
+			} );
+
+			// clip space
+			const clipStart = cameraProjectionMatrix.mul( start );
+			const clipEnd = cameraProjectionMatrix.mul( end );
+
+			// ndc space
+			const ndcStart = clipStart.xyz.div( clipStart.w );
+			const ndcEnd = clipEnd.xyz.div( clipEnd.w );
+
+			// direction
+			const dir = ndcEnd.xy.sub( ndcStart.xy ).temp();
+
+			// account for clip-space aspect ratio
+			dir.x.assign( dir.x.mul( aspect ) );
+			dir.assign( dir.normalize() );
+
+			const clip = temp( vec4() );
+
+			if ( useWorldUnits ) {
+
+				// get the offset direction as perpendicular to the view vector
+				const worldDir = end.xyz.sub( start.xyz ).normalize();
+
+				const offset = positionGeometry.y.lessThan( 0.5 ).cond(
+					start.xyz.cross( worldDir ).normalize(),
+					end.xyz.cross( worldDir ).normalize()
+
+				);
+
+				// sign flip
+				offset.assign( positionGeometry.x.lessThan( 0.0 ).cond( offset.negate(), offset ) );
+
+				const forwardOffset = worldDir.dot( vec3( 0.0, 0.0, 1.0 ) );
+
+				// don't extend the line if we're rendering dashes because we
+				// won't be rendering the endcaps
+				if ( ! useDash ) {
+
+					// extend the line bounds to encompass endcaps
+					start.assign( start.sub( vec4( worldDir.mul( materialLineWidth ).mul( 0.5 ), 0 ) ) );
+					end.assign( end.add( vec4( worldDir.mul( materialLineWidth ).mul( 0.5 ), 0 ) ) );
+
+					// shift the position of the quad so it hugs the forward edge of the line
+					offset.assign( offset.sub( vec3( dir.mul( forwardOffset ), 0 ) ) );
+					offset.z.assign( offset.z.add( 0.5 ) );
+
+				}
+
+				// endcaps
+
+				If( positionGeometry.y.greaterThan( 1.0 ).or( positionGeometry.y.lessThan( 0.0 ) ), () => {
+
+					offset.assign( offset.add( vec3( dir.mul( 2.0 ).mul( forwardOffset ), 0 ) ) );
+
+				} );
+
+				// adjust for linewidth
+				offset.assign( offset.mul( materialLineWidth ).mul( 0.5 ) );
+
+				// set the world position
+
+				const worldPos = varying( vec4(), 'worldPos' );
+
+				worldPos.assign( positionGeometry.y.lessThan( 0.5 ).cond( start, end ) );
+				worldPos.assign( worldPos.add( vec4( offset, 0 ) ) );
+
+				// project the worldpos
+				clip.assign( cameraProjectionMatrix.mul( worldPos ) );
+
+				// shift the depth of the projected points so the line
+				// segments overlap neatly
+				const clipPose = temp( vec3() );
+
+				clipPose.assign( positionGeometry.y.lessThan( 0.5 ).cond( ndcStart, ndcEnd ) );
+				clip.z.assign( clipPose.z.mul( clip.w ) );
+
+			} else {
+
+				const offset = property( 'vec2', 'offset' );
+
+				offset.assign( vec2( dir.y, dir.x.negate() ) );
+
+				// undo aspect ratio adjustment
+				dir.x.assign( dir.x.div( aspect ) );
+				offset.x.assign( offset.x.div( aspect ) );
+
+				// sign flip
+				offset.assign( positionGeometry.x.lessThan( 0.0 ).cond( offset.negate(), offset ) );
+
+				// endcaps
+				If( positionGeometry.y.lessThan( 0.0 ), () => {
+
+					offset.assign( offset.sub( dir ) );
+
+				} ).elseif( positionGeometry.y.greaterThan( 1.0 ), () => {
+
+					offset.assign( offset.add( dir ) );
+
+				} );
+
+				// adjust for linewidth
+				offset.assign( offset.mul( materialLineWidth ) );
+
+				// adjust for clip-space to screen-space conversion // maybe resolution should be based on viewport ...
+				offset.assign( offset.div( viewport.w ) );
+
+				// select end
+				clip.assign( positionGeometry.y.lessThan( 0.5 ).cond( clipStart, clipEnd ) );
+
+				// back to clip space
+				offset.assign( offset.mul( clip.w ) );
+
+				clip.assign( clip.add( vec4( offset, 0, 0 ) ) );
+
+			}
+
+			return clip;
+
+		} )();
+
+		const closestLineToLine = tslFn( ( { p1, p2, p3, p4 } ) => {
+
+			const p13 = p1.sub( p3 );
+			const p43 = p4.sub( p3 );
+
+			const p21 = p2.sub( p1 );
+
+			const d1343 = p13.dot( p43 );
+			const d4321 = p43.dot( p21 );
+			const d1321 = p13.dot( p21 );
+			const d4343 = p43.dot( p43 );
+			const d2121 = p21.dot( p21 );
+
+			const denom = d2121.mul( d4343 ).sub( d4321.mul( d4321 ) );
+			const numer = d1343.mul( d4321 ).sub( d1321.mul( d4343 ) );
+
+			const mua = numer.div( denom ).clamp();
+			const mub = d1343.add( d4321.mul( mua ) ).div( d4343 ).clamp();
+
+			return vec2( mua, mub );
+
+		} );
+
+		this.colorNode = tslFn( () => {
+
+			const vUv = varying( vec2(), 'vUv' );
+
+			if ( useDash ) {
+
+				const offsetNode = this.offsetNode ? float( this.offsetNodeNode ) : materialLineDashOffset;
+				const dashScaleNode = this.dashScaleNode ? float( this.dashScaleNode ) : materialLineScale;
+				const dashSizeNode = this.dashSizeNode ? float( this.dashSizeNode ) : materialLineDashSize;
+				const gapSizeNode = this.dashSizeNode ? float( this.dashGapNode ) : materialLineGapSize;
+
+				dashSize.assign( dashSizeNode );
+				gapSize.assign( gapSizeNode );
+
+				const instanceDistanceStart = attribute( 'instanceDistanceStart' );
+				const instanceDistanceEnd = attribute( 'instanceDistanceEnd' );
+
+				const lineDistance = positionGeometry.y.lessThan( 0.5 ).cond( dashScaleNode.mul( instanceDistanceStart ), materialLineScale.mul( instanceDistanceEnd ) );
+
+				const vLineDistance = varying( lineDistance.add( materialLineDashOffset ) );
+				const vLineDistanceOffset = offsetNode ? vLineDistance.add( offsetNode ) : vLineDistance;
+
+				vUv.y.lessThan( - 1.0 ).or( vUv.y.greaterThan( 1.0 ) ).discard(); // discard endcaps
+				vLineDistanceOffset.mod( dashSize.add( gapSize ) ).greaterThan( dashSize ).discard(); // todo - FIX
+
+			}
+
+			 // force assignment into correct place in flow
+			const alpha = property( 'float', 'alpha' );
+			alpha.assign( 1 );
+
+			if ( useWorldUnits ) {
+
+				const worldStart = varying( vec3(), 'worldStart' );
+				const worldEnd = varying( vec3(), 'worldEnd' );
+
+				// Find the closest points on the view ray and the line segment
+				const rayEnd = varying( vec4(), 'worldPos' ).xyz.normalize().mul( 1e5 );
+				const lineDir = worldEnd.sub( worldStart );
+				const params = closestLineToLine( { p1: worldStart, p2: worldEnd, p3: vec3( 0.0, 0.0, 0.0 ), p4: rayEnd } );
+
+				const p1 = worldStart.add( lineDir.mul( params.x ) );
+				const p2 = rayEnd.mul( params.y );
+				const delta = p1.sub( p2 );
+				const len = delta.length();
+				const norm = len.div( materialLineWidth );
+
+				if ( ! useDash ) {
+
+					if ( useAlphaToCoverage ) {
+
+						const dnorm = norm.fwidth();
+						alpha.assign( smoothstep( dnorm.negate().add( 0.5 ), dnorm.add( 0.5 ), norm ).oneMinus() );
+
+					} else {
+
+						norm.greaterThan( 0.5 ).discard();
+
+					}
+
+				}
+
+			} else {
+
+				// round endcaps
+
+				if ( useAlphaToCoverage ) {
+
+					const a = vUv.x;
+					const b = vUv.y.greaterThan( 0.0 ).cond( vUv.y.sub( 1.0 ), vUv.y.add( 1.0 ) );
+
+					const len2 = a.mul( a ).add( b.mul( b ) );
+
+					// force assignment out of following 'if' statement - to avoid uniform control flow errors
+					const dlen = property( 'float', 'dlen' );
+					dlen.assign( len2.fwidth() );
+
+					If( vUv.y.abs().greaterThan( 1.0 ), () => {
+
+						alpha.assign( smoothstep( dlen.oneMinus(), dlen.add( 1 ), len2 ).oneMinus() );
+
+					} );
+
+				} else {
+
+					If( vUv.y.abs().greaterThan( 1.0 ), () => {
+
+						const a = vUv.x;
+						const b = vUv.y.greaterThan( 0.0 ).cond( vUv.y.sub( 1.0 ), vUv.y.add( 1.0 ) );
+						const len2 = a.mul( a ).add( b.mul( b ) );
+
+						len2.greaterThan( 1.0 ).discard();
+
+					} );
+
+				}
+
+			}
+
+			let lineColorNode;
+
+			if ( this.lineColorNode ) {
+
+				lineColorNode = this.lineColorNode;
+
+			} else {
+
+				if ( useColor ) {
+
+					const instanceColorStart = attribute( 'instanceColorStart' );
+					const instanceColorEnd = attribute( 'instanceColorEnd' );
+
+					const instanceColor = positionGeometry.y.lessThan( 0.5 ).cond( instanceColorStart, instanceColorEnd );
+
+					lineColorNode = instanceColor.mul( materialColor );
+
+				} else {
+
+					lineColorNode = materialColor;
+
+				}
+
+			}
+
+			return vec4( lineColorNode, alpha );
+
+		} )();
+
+		this.needsUpdate = true;
+
+	}
+
+
+	get worldUnits() {
+
+		return this.useWorldUnits;
+
+	}
+
+	set worldUnits( value ) {
+
+		if ( this.useWorldUnits !== value ) {
+
+			this.useWorldUnits = value;
+			this.setupShaders();
+
+		}
+
+	}
+
+
+	get dashed() {
+
+		return this.useDash;
+
+	}
+
+	set dashed( value ) {
+
+		if ( this.useDash !== value ) {
+
+			this.useDash = value;
+			this.setupShaders();
+
+		}
+
+	}
+
+
+	get alphaToCoverage() {
+
+		return this.useAlphaToCoverage;
+
+	}
+
+	set alphaToCoverage( value ) {
+
+		if ( this.useAlphaToCoverage !== value ) {
+
+			this.useAlphaToCoverage = value;
+			this.setupShaders();
+
+		}
+
+	}
+
+}
+
+export default Line2NodeMaterial;
+
+addNodeMaterial( 'Line2NodeMaterial', Line2NodeMaterial );

node_modules/three/examples/jsm/nodes/materials/LineBasicNodeMaterial.js

@@ -0,0 +1,28 @@
+import NodeMaterial, { addNodeMaterial } from './NodeMaterial.js';
+
+import { LineBasicMaterial } from 'three';
+
+const defaultValues = new LineBasicMaterial();
+
+class LineBasicNodeMaterial extends NodeMaterial {
+
+	constructor( parameters ) {
+
+		super();
+
+		this.isLineBasicNodeMaterial = true;
+
+		this.lights = false;
+		this.normals = false;
+
+		this.setDefaultValues( defaultValues );
+
+		this.setValues( parameters );
+
+	}
+
+}
+
+export default LineBasicNodeMaterial;
+
+addNodeMaterial( 'LineBasicNodeMaterial', LineBasicNodeMaterial );

node_modules/three/examples/jsm/nodes/materials/LineDashedNodeMaterial.js

@@ -0,0 +1,54 @@
+import NodeMaterial, { addNodeMaterial } from './NodeMaterial.js';
+import { attribute } from '../core/AttributeNode.js';
+import { varying } from '../core/VaryingNode.js';
+import { materialLineDashSize, materialLineGapSize, materialLineScale } from '../accessors/MaterialNode.js';
+import { dashSize, gapSize } from '../core/PropertyNode.js';
+import { float } from '../shadernode/ShaderNode.js';
+import { LineDashedMaterial } from 'three';
+
+const defaultValues = new LineDashedMaterial();
+
+class LineDashedNodeMaterial extends NodeMaterial {
+
+	constructor( parameters ) {
+
+		super();
+
+		this.isLineDashedNodeMaterial = true;
+
+		this.lights = false;
+		this.normals = false;
+
+		this.setDefaultValues( defaultValues );
+
+		this.offsetNode = null;
+		this.dashScaleNode = null;
+		this.dashSizeNode = null;
+		this.gapSizeNode = null;
+
+		this.setValues( parameters );
+
+	}
+
+	setupVariants() {
+
+		const offsetNode = this.offsetNode;
+		const dashScaleNode = this.dashScaleNode ? float( this.dashScaleNode ) : materialLineScale;
+		const dashSizeNode = this.dashSizeNode ? float( this.dashSizeNode ) : materialLineDashSize;
+		const gapSizeNode = this.dashSizeNode ? float( this.dashGapNode ) : materialLineGapSize;
+
+		dashSize.assign( dashSizeNode );
+		gapSize.assign( gapSizeNode );
+
+		const vLineDistance = varying( attribute( 'lineDistance' ).mul( dashScaleNode ) );
+		const vLineDistanceOffset = offsetNode ? vLineDistance.add( offsetNode ) : vLineDistance;
+
+		vLineDistanceOffset.mod( dashSize.add( gapSize ) ).greaterThan( dashSize ).discard();
+
+	}
+
+}
+
+export default LineDashedNodeMaterial;
+
+addNodeMaterial( 'LineDashedNodeMaterial', LineDashedNodeMaterial );

node_modules/three/examples/jsm/nodes/materials/Materials.js

@@ -0,0 +1,15 @@
+// @TODO: We can simplify "export { default as SomeNode, other, exports } from '...'" to just "export * from '...'" if we will use only named exports
+
+export { default as NodeMaterial, addNodeMaterial, createNodeMaterialFromType } from './NodeMaterial.js';
+export { default as InstancedPointsNodeMaterial } from './InstancedPointsNodeMaterial.js';
+export { default as LineBasicNodeMaterial } from './LineBasicNodeMaterial.js';
+export { default as LineDashedNodeMaterial } from './LineDashedNodeMaterial.js';
+export { default as Line2NodeMaterial } from './Line2NodeMaterial.js';
+export { default as MeshNormalNodeMaterial } from './MeshNormalNodeMaterial.js';
+export { default as MeshBasicNodeMaterial } from './MeshBasicNodeMaterial.js';
+export { default as MeshLambertNodeMaterial } from './MeshLambertNodeMaterial.js';
+export { default as MeshPhongNodeMaterial } from './MeshPhongNodeMaterial.js';
+export { default as MeshStandardNodeMaterial } from './MeshStandardNodeMaterial.js';
+export { default as MeshPhysicalNodeMaterial } from './MeshPhysicalNodeMaterial.js';
+export { default as PointsNodeMaterial } from './PointsNodeMaterial.js';
+export { default as SpriteNodeMaterial } from './SpriteNodeMaterial.js';

node_modules/three/examples/jsm/nodes/materials/MeshBasicNodeMaterial.js

@@ -0,0 +1,27 @@
+import NodeMaterial, { addNodeMaterial } from './NodeMaterial.js';
+
+import { MeshBasicMaterial } from 'three';
+
+const defaultValues = new MeshBasicMaterial();
+
+class MeshBasicNodeMaterial extends NodeMaterial {
+
+	constructor( parameters ) {
+
+		super();
+
+		this.isMeshBasicNodeMaterial = true;
+
+		this.lights = false;
+
+		this.setDefaultValues( defaultValues );
+
+		this.setValues( parameters );
+
+	}
+
+}
+
+export default MeshBasicNodeMaterial;
+
+addNodeMaterial( 'MeshBasicNodeMaterial', MeshBasicNodeMaterial );

node_modules/three/examples/jsm/nodes/materials/MeshLambertNodeMaterial.js

@@ -0,0 +1,34 @@
+import NodeMaterial, { addNodeMaterial } from './NodeMaterial.js';
+import PhongLightingModel from '../functions/PhongLightingModel.js';
+
+import { MeshLambertMaterial } from 'three';
+
+const defaultValues = new MeshLambertMaterial();
+
+class MeshLambertNodeMaterial extends NodeMaterial {
+
+	constructor( parameters ) {
+
+		super();
+
+		this.isMeshLambertNodeMaterial = true;
+
+		this.lights = true;
+
+		this.setDefaultValues( defaultValues );
+
+		this.setValues( parameters );
+
+	}
+
+	setupLightingModel( /*builder*/ ) {
+
+		return new PhongLightingModel( false ); // ( specular ) -> force lambert
+
+	}
+
+}
+
+export default MeshLambertNodeMaterial;
+
+addNodeMaterial( 'MeshLambertNodeMaterial', MeshLambertNodeMaterial );

node_modules/three/examples/jsm/nodes/materials/MeshNormalNodeMaterial.js

@@ -0,0 +1,40 @@
+import NodeMaterial, { addNodeMaterial } from './NodeMaterial.js';
+import { diffuseColor } from '../core/PropertyNode.js';
+import { directionToColor } from '../utils/PackingNode.js';
+import { materialOpacity } from '../accessors/MaterialNode.js';
+import { transformedNormalView } from '../accessors/NormalNode.js';
+import { float, vec4 } from '../shadernode/ShaderNode.js';
+
+import { MeshNormalMaterial } from 'three';
+
+const defaultValues = new MeshNormalMaterial();
+
+class MeshNormalNodeMaterial extends NodeMaterial {
+
+	constructor( parameters ) {
+
+		super();
+
+		this.isMeshNormalNodeMaterial = true;
+
+		this.colorSpace = false;
+
+		this.setDefaultValues( defaultValues );
+
+		this.setValues( parameters );
+
+	}
+
+	setupDiffuseColor() {
+
+		const opacityNode = this.opacityNode ? float( this.opacityNode ) : materialOpacity;
+
+		diffuseColor.assign( vec4( directionToColor( transformedNormalView ), opacityNode ) );
+
+	}
+
+}
+
+export default MeshNormalNodeMaterial;
+
+addNodeMaterial( 'MeshNormalNodeMaterial', MeshNormalNodeMaterial );

node_modules/three/examples/jsm/nodes/materials/MeshPhongNodeMaterial.js

@@ -0,0 +1,65 @@
+import NodeMaterial, { addNodeMaterial } from './NodeMaterial.js';
+import { shininess, specularColor } from '../core/PropertyNode.js';
+import { materialShininess, materialSpecularColor } from '../accessors/MaterialNode.js';
+import { float } from '../shadernode/ShaderNode.js';
+import PhongLightingModel from '../functions/PhongLightingModel.js';
+
+import { MeshPhongMaterial } from 'three';
+
+const defaultValues = new MeshPhongMaterial();
+
+class MeshPhongNodeMaterial extends NodeMaterial {
+
+	constructor( parameters ) {
+
+		super();
+
+		this.isMeshPhongNodeMaterial = true;
+
+		this.lights = true;
+
+		this.shininessNode = null;
+		this.specularNode = null;
+
+		this.setDefaultValues( defaultValues );
+
+		this.setValues( parameters );
+
+	}
+
+	setupLightingModel( /*builder*/ ) {
+
+		return new PhongLightingModel();
+
+	}
+
+	setupVariants() {
+
+		// SHININESS
+
+		const shininessNode = ( this.shininessNode ? float( this.shininessNode ) : materialShininess ).max( 1e-4 ); // to prevent pow( 0.0, 0.0 )
+
+		shininess.assign( shininessNode );
+
+		// SPECULAR COLOR
+
+		const specularNode = this.specularNode || materialSpecularColor;
+
+		specularColor.assign( specularNode );
+
+	}
+
+	copy( source ) {
+
+		this.shininessNode = source.shininessNode;
+		this.specularNode = source.specularNode;
+
+		return super.copy( source );
+
+	}
+
+}
+
+export default MeshPhongNodeMaterial;
+
+addNodeMaterial( 'MeshPhongNodeMaterial', MeshPhongNodeMaterial );

node_modules/three/examples/jsm/nodes/materials/MeshPhysicalNodeMaterial.js

@@ -0,0 +1,155 @@
+import { addNodeMaterial } from './NodeMaterial.js';
+import { transformedClearcoatNormalView } from '../accessors/NormalNode.js';
+import { clearcoat, clearcoatRoughness, sheen, sheenRoughness, iridescence, iridescenceIOR, iridescenceThickness } from '../core/PropertyNode.js';
+import { materialClearcoat, materialClearcoatRoughness, materialClearcoatNormal, materialSheen, materialSheenRoughness, materialIridescence, materialIridescenceIOR, materialIridescenceThickness } from '../accessors/MaterialNode.js';
+import { float, vec3 } from '../shadernode/ShaderNode.js';
+import PhysicalLightingModel from '../functions/PhysicalLightingModel.js';
+import MeshStandardNodeMaterial from './MeshStandardNodeMaterial.js';
+
+import { MeshPhysicalMaterial } from 'three';
+
+const defaultValues = new MeshPhysicalMaterial();
+
+class MeshPhysicalNodeMaterial extends MeshStandardNodeMaterial {
+
+	constructor( parameters ) {
+
+		super();
+
+		this.isMeshPhysicalNodeMaterial = true;
+
+		this.clearcoatNode = null;
+		this.clearcoatRoughnessNode = null;
+		this.clearcoatNormalNode = null;
+
+		this.sheenNode = null;
+		this.sheenRoughnessNode = null;
+
+		this.iridescenceNode = null;
+		this.iridescenceIORNode = null;
+		this.iridescenceThicknessNode = null;
+
+		this.specularIntensityNode = null;
+		this.specularColorNode = null;
+
+		this.transmissionNode = null;
+		this.thicknessNode = null;
+		this.attenuationDistanceNode = null;
+		this.attenuationColorNode = null;
+
+		this.setDefaultValues( defaultValues );
+
+		this.setValues( parameters );
+
+	}
+
+	get useClearcoat() {
+
+		return this.clearcoat > 0 || this.clearcoatNode !== null;
+
+	}
+
+	get useIridescence() {
+
+		return this.iridescence > 0 || this.iridescenceNode !== null;
+
+	}
+
+	get useSheen() {
+
+		return this.sheen > 0 || this.sheenNode !== null;
+
+	}
+
+	setupLightingModel( /*builder*/ ) {
+
+		return new PhysicalLightingModel( this.useClearcoat, this.useSheen, this.useIridescence );
+
+	}
+
+	setupVariants( builder ) {
+
+		super.setupVariants( builder );
+
+		// CLEARCOAT
+
+		if ( this.useClearcoat ) {
+
+			const clearcoatNode = this.clearcoatNode ? float( this.clearcoatNode ) : materialClearcoat;
+			const clearcoatRoughnessNode = this.clearcoatRoughnessNode ? float( this.clearcoatRoughnessNode ) : materialClearcoatRoughness;
+
+			clearcoat.assign( clearcoatNode );
+			clearcoatRoughness.assign( clearcoatRoughnessNode );
+
+		}
+
+		// SHEEN
+
+		if ( this.useSheen ) {
+
+			const sheenNode = this.sheenNode ? vec3( this.sheenNode ) : materialSheen;
+			const sheenRoughnessNode = this.sheenRoughnessNode ? float( this.sheenRoughnessNode ) : materialSheenRoughness;
+
+			sheen.assign( sheenNode );
+			sheenRoughness.assign( sheenRoughnessNode );
+
+		}
+
+		// IRIDESCENCE
+
+		if ( this.useIridescence ) {
+
+			const iridescenceNode = this.iridescenceNode ? float( this.iridescenceNode ) : materialIridescence;
+			const iridescenceIORNode = this.iridescenceIORNode ? float( this.iridescenceIORNode ) : materialIridescenceIOR;
+			const iridescenceThicknessNode = this.iridescenceThicknessNode ? float( this.iridescenceThicknessNode ) : materialIridescenceThickness;
+
+			iridescence.assign( iridescenceNode );
+			iridescenceIOR.assign( iridescenceIORNode );
+			iridescenceThickness.assign( iridescenceThicknessNode );
+
+		}
+
+	}
+
+	setupNormal( builder ) {
+
+		super.setupNormal( builder );
+
+		// CLEARCOAT NORMAL
+
+		const clearcoatNormalNode = this.clearcoatNormalNode ? vec3( this.clearcoatNormalNode ) : materialClearcoatNormal;
+
+		transformedClearcoatNormalView.assign( clearcoatNormalNode );
+
+	}
+
+	copy( source ) {
+
+		this.clearcoatNode = source.clearcoatNode;
+		this.clearcoatRoughnessNode = source.clearcoatRoughnessNode;
+		this.clearcoatNormalNode = source.clearcoatNormalNode;
+
+		this.sheenNode = source.sheenNode;
+		this.sheenRoughnessNode = source.sheenRoughnessNode;
+
+		this.iridescenceNode = source.iridescenceNode;
+		this.iridescenceIORNode = source.iridescenceIORNode;
+		this.iridescenceThicknessNode = source.iridescenceThicknessNode;
+
+		this.specularIntensityNode = source.specularIntensityNode;
+		this.specularColorNode = source.specularColorNode;
+
+		this.transmissionNode = source.transmissionNode;
+		this.thicknessNode = source.thicknessNode;
+		this.attenuationDistanceNode = source.attenuationDistanceNode;
+		this.attenuationColorNode = source.attenuationColorNode;
+
+		return super.copy( source );
+
+	}
+
+}
+
+export default MeshPhysicalNodeMaterial;
+
+addNodeMaterial( 'MeshPhysicalNodeMaterial', MeshPhysicalNodeMaterial );

node_modules/three/examples/jsm/nodes/materials/MeshStandardNodeMaterial.js

@@ -0,0 +1,80 @@
+import NodeMaterial, { addNodeMaterial } from './NodeMaterial.js';
+import { diffuseColor, metalness, roughness, specularColor } from '../core/PropertyNode.js';
+import { mix } from '../math/MathNode.js';
+import { materialRoughness, materialMetalness } from '../accessors/MaterialNode.js';
+import getRoughness from '../functions/material/getRoughness.js';
+import PhysicalLightingModel from '../functions/PhysicalLightingModel.js';
+import { float, vec3, vec4 } from '../shadernode/ShaderNode.js';
+
+import { MeshStandardMaterial } from 'three';
+
+const defaultValues = new MeshStandardMaterial();
+
+class MeshStandardNodeMaterial extends NodeMaterial {
+
+	constructor( parameters ) {
+
+		super();
+
+		this.isMeshStandardNodeMaterial = true;
+
+		this.emissiveNode = null;
+
+		this.metalnessNode = null;
+		this.roughnessNode = null;
+
+		this.setDefaultValues( defaultValues );
+
+		this.setValues( parameters );
+
+	}
+
+	setupLightingModel( /*builder*/ ) {
+
+		return new PhysicalLightingModel();
+
+	}
+
+	setupVariants() {
+
+		// METALNESS
+
+		const metalnessNode = this.metalnessNode ? float( this.metalnessNode ) : materialMetalness;
+
+		metalness.assign( metalnessNode );
+
+		// ROUGHNESS
+
+		let roughnessNode = this.roughnessNode ? float( this.roughnessNode ) : materialRoughness;
+		roughnessNode = getRoughness( { roughness: roughnessNode } );
+
+		roughness.assign( roughnessNode );
+
+		// SPECULAR COLOR
+
+		const specularColorNode = mix( vec3( 0.04 ), diffuseColor.rgb, metalnessNode );
+
+		specularColor.assign( specularColorNode );
+
+		// DIFFUSE COLOR
+
+		diffuseColor.assign( vec4( diffuseColor.rgb.mul( metalnessNode.oneMinus() ), diffuseColor.a ) );
+
+	}
+
+	copy( source ) {
+
+		this.emissiveNode = source.emissiveNode;
+
+		this.metalnessNode = source.metalnessNode;
+		this.roughnessNode = source.roughnessNode;
+
+		return super.copy( source );
+
+	}
+
+}
+
+export default MeshStandardNodeMaterial;
+
+addNodeMaterial( 'MeshStandardNodeMaterial', MeshStandardNodeMaterial );

node_modules/three/examples/jsm/nodes/materials/NodeMaterial.js

@@ -0,0 +1,543 @@
+import { Material, ShaderMaterial, NoColorSpace, LinearSRGBColorSpace } from 'three';
+import { getNodeChildren, getCacheKey } from '../core/NodeUtils.js';
+import { attribute } from '../core/AttributeNode.js';
+import { output, diffuseColor } from '../core/PropertyNode.js';
+import { materialAlphaTest, materialColor, materialOpacity, materialEmissive, materialNormal } from '../accessors/MaterialNode.js';
+import { modelViewProjection } from '../accessors/ModelViewProjectionNode.js';
+import { transformedNormalView } from '../accessors/NormalNode.js';
+import { instance } from '../accessors/InstanceNode.js';
+import { positionLocal, positionView } from '../accessors/PositionNode.js';
+import { skinning } from '../accessors/SkinningNode.js';
+import { morph } from '../accessors/MorphNode.js';
+import { texture } from '../accessors/TextureNode.js';
+import { cubeTexture } from '../accessors/CubeTextureNode.js';
+import { lightsWithoutWrap } from '../lighting/LightsNode.js';
+import { mix } from '../math/MathNode.js';
+import { float, vec3, vec4 } from '../shadernode/ShaderNode.js';
+import AONode from '../lighting/AONode.js';
+import { lightingContext } from '../lighting/LightingContextNode.js';
+import EnvironmentNode from '../lighting/EnvironmentNode.js';
+
+const NodeMaterials = new Map();
+
+class NodeMaterial extends ShaderMaterial {
+
+	constructor() {
+
+		super();
+
+		this.isNodeMaterial = true;
+
+		this.type = this.constructor.type;
+
+		this.forceSinglePass = false;
+
+		this.unlit = this.constructor === NodeMaterial.prototype.constructor; // Extended materials are not unlit by default
+
+		this.fog = true;
+		this.lights = true;
+		this.normals = true;
+		this.colorSpace = true;
+
+		this.lightsNode = null;
+		this.envNode = null;
+
+		this.colorNode = null;
+		this.normalNode = null;
+		this.opacityNode = null;
+		this.backdropNode = null;
+		this.backdropAlphaNode = null;
+		this.alphaTestNode = null;
+
+		this.positionNode = null;
+
+		this.outputNode = null; // @TODO: Rename to fragmentNode
+		this.vertexNode = null;
+
+	}
+
+	customProgramCacheKey() {
+
+		return this.type + getCacheKey( this );
+
+	}
+
+	build( builder ) {
+
+		this.setup( builder );
+
+	}
+
+	setup( builder ) {
+
+		// < VERTEX STAGE >
+
+		builder.addStack();
+
+		builder.stack.outputNode = this.setupPosition( builder );
+
+		builder.addFlow( 'vertex', builder.removeStack() );
+
+		// < FRAGMENT STAGE >
+
+		builder.addStack();
+
+		let outputNode;
+
+		if ( this.unlit === false ) {
+
+			if ( this.normals === true ) this.setupNormal( builder );
+
+			this.setupDiffuseColor( builder );
+			this.setupVariants( builder );
+
+			const outgoingLightNode = this.setupLighting( builder );
+
+			outputNode = this.setupOutput( builder, vec4( outgoingLightNode, diffuseColor.a ) );
+
+			// OUTPUT NODE
+
+			output.assign( outputNode );
+
+			//
+
+			if ( this.outputNode !== null ) outputNode = this.outputNode;
+
+		} else {
+
+			outputNode = this.setupOutput( builder, this.outputNode || vec4( 0, 0, 0, 1 ) );
+
+		}
+
+		builder.stack.outputNode = outputNode;
+
+		builder.addFlow( 'fragment', builder.removeStack() );
+
+	}
+
+	setupPosition( builder ) {
+
+		const object = builder.object;
+		const geometry = object.geometry;
+
+		builder.addStack();
+
+		if ( geometry.morphAttributes.position || geometry.morphAttributes.normal || geometry.morphAttributes.color ) {
+
+			morph( object ).append();
+
+		}
+
+		if ( object.isSkinnedMesh === true ) {
+
+			skinning( object ).append();
+
+		}
+
+		if ( ( object.instanceMatrix && object.instanceMatrix.isInstancedBufferAttribute === true ) && builder.isAvailable( 'instance' ) === true ) {
+
+			instance( object ).append();
+
+		}
+
+		if ( this.positionNode !== null ) {
+
+			positionLocal.assign( this.positionNode );
+
+		}
+
+		builder.context.vertex = builder.removeStack();
+
+		return this.vertexNode || modelViewProjection();
+
+	}
+
+	setupDiffuseColor( { geometry } ) {
+
+		let colorNode = this.colorNode ? vec4( this.colorNode ) : materialColor;
+
+		// VERTEX COLORS
+
+		if ( this.vertexColors === true && geometry.hasAttribute( 'color' ) ) {
+
+			colorNode = vec4( colorNode.xyz.mul( attribute( 'color' ) ), colorNode.a );
+
+		}
+
+		// COLOR
+
+		diffuseColor.assign( colorNode );
+
+		// OPACITY
+
+		const opacityNode = this.opacityNode ? float( this.opacityNode ) : materialOpacity;
+		diffuseColor.a.assign( diffuseColor.a.mul( opacityNode ) );
+
+		// ALPHA TEST
+
+		if ( this.alphaTestNode !== null || this.alphaTest > 0 ) {
+
+			const alphaTestNode = this.alphaTestNode !== null ? float( this.alphaTestNode ) : materialAlphaTest;
+
+			diffuseColor.a.lessThanEqual( alphaTestNode ).discard();
+
+		}
+
+	}
+
+	setupVariants( /*builder*/ ) {
+
+		// Interface function.
+
+	}
+
+	setupNormal() {
+
+		// NORMAL VIEW
+
+		if ( this.flatShading === true ) {
+
+			const normalNode = positionView.dFdx().cross( positionView.dFdy() ).normalize();
+
+			transformedNormalView.assign( normalNode );
+
+		} else {
+
+			const normalNode = this.normalNode ? vec3( this.normalNode ) : materialNormal;
+
+			transformedNormalView.assign( normalNode );
+
+		}
+
+	}
+
+	getEnvNode( builder ) {
+
+		let node = null;
+
+		if ( this.envNode ) {
+
+			node = this.envNode;
+
+		} else if ( this.envMap ) {
+
+			node = this.envMap.isCubeTexture ? cubeTexture( this.envMap ) : texture( this.envMap );
+
+		} else if ( builder.environmentNode ) {
+
+			node = builder.environmentNode;
+
+		}
+
+		return node;
+
+	}
+
+	setupLights( builder ) {
+
+		const envNode = this.getEnvNode( builder );
+
+		//
+
+		const materialLightsNode = [];
+
+		if ( envNode ) {
+
+			materialLightsNode.push( new EnvironmentNode( envNode ) );
+
+		}
+
+		if ( builder.material.aoMap ) {
+
+			materialLightsNode.push( new AONode( texture( builder.material.aoMap ) ) );
+
+		}
+
+		let lightsNode = this.lightsNode || builder.lightsNode;
+
+		if ( materialLightsNode.length > 0 ) {
+
+			lightsNode = lightsWithoutWrap( [ ...lightsNode.lightNodes, ...materialLightsNode ] );
+
+		}
+
+		return lightsNode;
+
+	}
+
+	setupLightingModel( /*builder*/ ) {
+
+		// Interface function.
+
+	}
+
+	setupLighting( builder ) {
+
+		const { material } = builder;
+		const { backdropNode, backdropAlphaNode, emissiveNode } = this;
+
+		// OUTGOING LIGHT
+
+		const lights = this.lights === true || this.lightsNode !== null;
+
+		const lightsNode = lights ? this.setupLights( builder ) : null;
+
+		let outgoingLightNode = diffuseColor.rgb;
+
+		if ( lightsNode && lightsNode.hasLight !== false ) {
+
+			const lightingModel = this.setupLightingModel( builder );
+
+			outgoingLightNode = lightingContext( lightsNode, lightingModel, backdropNode, backdropAlphaNode );
+
+		} else if ( backdropNode !== null ) {
+
+			outgoingLightNode = vec3( backdropAlphaNode !== null ? mix( outgoingLightNode, backdropNode, backdropAlphaNode ) : backdropNode );
+
+		}
+
+		// EMISSIVE
+
+		if ( ( emissiveNode && emissiveNode.isNode === true ) || ( material.emissive && material.emissive.isColor === true ) ) {
+
+			outgoingLightNode = outgoingLightNode.add( vec3( emissiveNode ? emissiveNode : materialEmissive ) );
+
+		}
+
+		return outgoingLightNode;
+
+	}
+
+	setupOutput( builder, outputNode ) {
+
+		const renderer = builder.renderer;
+
+		// TONE MAPPING
+
+		const toneMappingNode = builder.toneMappingNode;
+
+		if ( toneMappingNode ) {
+
+			outputNode = vec4( toneMappingNode.context( { color: outputNode.rgb } ), outputNode.a );
+
+		}
+
+		// FOG
+
+		if ( this.fog === true ) {
+
+			const fogNode = builder.fogNode;
+
+			if ( fogNode ) outputNode = vec4( fogNode.mixAssign( outputNode.rgb ), outputNode.a );
+
+		}
+
+		// ENCODING
+
+		if ( this.colorSpace === true ) {
+
+			const renderTarget = renderer.getRenderTarget();
+
+			let outputColorSpace;
+
+			if ( renderTarget !== null ) {
+
+				if ( Array.isArray( renderTarget.texture ) ) {
+
+					outputColorSpace = renderTarget.texture[ 0 ].colorSpace;
+
+				} else {
+
+					outputColorSpace = renderTarget.texture.colorSpace;
+
+				}
+
+			} else {
+
+				outputColorSpace = renderer.outputColorSpace;
+
+			}
+
+			if ( outputColorSpace !== LinearSRGBColorSpace && outputColorSpace !== NoColorSpace ) {
+
+				outputNode = outputNode.linearToColorSpace( outputColorSpace );
+
+			}
+
+		}
+
+		return outputNode;
+
+	}
+
+	setDefaultValues( material ) {
+
+		// This approach is to reuse the native refreshUniforms*
+		// and turn available the use of features like transmission and environment in core
+
+		for ( const property in material ) {
+
+			const value = material[ property ];
+
+			if ( this[ property ] === undefined ) {
+
+				this[ property ] = value;
+
+				if ( value && value.clone ) this[ property ] = value.clone();
+
+			}
+
+		}
+
+		Object.assign( this.defines, material.defines );
+
+		const descriptors = Object.getOwnPropertyDescriptors( material.constructor.prototype );
+
+		for ( const key in descriptors ) {
+
+			if ( Object.getOwnPropertyDescriptor( this.constructor.prototype, key ) === undefined &&
+			     descriptors[ key ].get !== undefined ) {
+
+				Object.defineProperty( this.constructor.prototype, key, descriptors[ key ] );
+
+			}
+
+		}
+
+	}
+
+	toJSON( meta ) {
+
+		const isRoot = ( meta === undefined || typeof meta === 'string' );
+
+		if ( isRoot ) {
+
+			meta = {
+				textures: {},
+				images: {},
+				nodes: {}
+			};
+
+		}
+
+		const data = Material.prototype.toJSON.call( this, meta );
+		const nodeChildren = getNodeChildren( this );
+
+		data.inputNodes = {};
+
+		for ( const { property, childNode } of nodeChildren ) {
+
+			data.inputNodes[ property ] = childNode.toJSON( meta ).uuid;
+
+		}
+
+		// TODO: Copied from Object3D.toJSON
+
+		function extractFromCache( cache ) {
+
+			const values = [];
+
+			for ( const key in cache ) {
+
+				const data = cache[ key ];
+				delete data.metadata;
+				values.push( data );
+
+			}
+
+			return values;
+
+		}
+
+		if ( isRoot ) {
+
+			const textures = extractFromCache( meta.textures );
+			const images = extractFromCache( meta.images );
+			const nodes = extractFromCache( meta.nodes );
+
+			if ( textures.length > 0 ) data.textures = textures;
+			if ( images.length > 0 ) data.images = images;
+			if ( nodes.length > 0 ) data.nodes = nodes;
+
+		}
+
+		return data;
+
+	}
+
+	copy( source ) {
+
+		this.lightsNode = source.lightsNode;
+		this.envNode = source.envNode;
+
+		this.colorNode = source.colorNode;
+		this.normalNode = source.normalNode;
+		this.opacityNode = source.opacityNode;
+		this.backdropNode = source.backdropNode;
+		this.backdropAlphaNode = source.backdropAlphaNode;
+		this.alphaTestNode = source.alphaTestNode;
+
+		this.positionNode = source.positionNode;
+
+		this.outputNode = source.outputNode;
+		this.vertexNode = source.vertexNode;
+
+		return super.copy( source );
+
+	}
+
+	static fromMaterial( material ) {
+
+		if ( material.isNodeMaterial === true ) { // is already a node material
+
+			return material;
+
+		}
+
+		const type = material.type.replace( 'Material', 'NodeMaterial' );
+
+		const nodeMaterial = createNodeMaterialFromType( type );
+
+		if ( nodeMaterial === undefined ) {
+
+			throw new Error( `NodeMaterial: Material "${ material.type }" is not compatible.` );
+
+		}
+
+		for ( const key in material ) {
+
+			nodeMaterial[ key ] = material[ key ];
+
+		}
+
+		return nodeMaterial;
+
+	}
+
+}
+
+export default NodeMaterial;
+
+export function addNodeMaterial( type, nodeMaterial ) {
+
+	if ( typeof nodeMaterial !== 'function' || ! type ) throw new Error( `Node material ${ type } is not a class` );
+	if ( NodeMaterials.has( type ) ) throw new Error( `Redefinition of node material ${ type }` );
+
+	NodeMaterials.set( type, nodeMaterial );
+	nodeMaterial.type = type;
+
+}
+
+export function createNodeMaterialFromType( type ) {
+
+	const Material = NodeMaterials.get( type );
+
+	if ( Material !== undefined ) {
+
+		return new Material();
+
+	}
+
+}
+
+addNodeMaterial( 'NodeMaterial', NodeMaterial );

node_modules/three/examples/jsm/nodes/materials/PointsNodeMaterial.js

@@ -0,0 +1,49 @@
+import NodeMaterial, { addNodeMaterial } from './NodeMaterial.js';
+
+import { PointsMaterial } from 'three';
+
+const defaultValues = new PointsMaterial();
+
+class PointsNodeMaterial extends NodeMaterial {
+
+	constructor( parameters ) {
+
+		super();
+
+		this.isPointsNodeMaterial = true;
+
+		this.lights = false;
+		this.normals = false;
+
+		this.transparent = true;
+
+		this.colorNode = null;
+		this.opacityNode = null;
+
+		this.alphaTestNode = null;
+
+		this.lightNode = null;
+
+		this.sizeNode = null;
+
+		this.positionNode = null;
+
+		this.setDefaultValues( defaultValues );
+
+		this.setValues( parameters );
+
+	}
+
+	copy( source ) {
+
+		this.sizeNode = source.sizeNode;
+
+		return super.copy( source );
+
+	}
+
+}
+
+export default PointsNodeMaterial;
+
+addNodeMaterial( 'PointsNodeMaterial', PointsNodeMaterial );

node_modules/three/examples/jsm/nodes/materials/SpriteNodeMaterial.js

@@ -0,0 +1,103 @@
+import NodeMaterial, { addNodeMaterial } from './NodeMaterial.js';
+import { uniform } from '../core/UniformNode.js';
+import { cameraProjectionMatrix } from '../accessors/CameraNode.js';
+import { materialRotation } from '../accessors/MaterialNode.js';
+import { modelViewMatrix, modelWorldMatrix } from '../accessors/ModelNode.js';
+import { positionLocal } from '../accessors/PositionNode.js';
+import { float, vec2, vec3, vec4 } from '../shadernode/ShaderNode.js';
+
+import { SpriteMaterial } from 'three';
+
+const defaultValues = new SpriteMaterial();
+
+class SpriteNodeMaterial extends NodeMaterial {
+
+	constructor( parameters ) {
+
+		super();
+
+		this.isSpriteNodeMaterial = true;
+
+		this.lights = false;
+		this.normals = false;
+
+		this.colorNode = null;
+		this.opacityNode = null;
+
+		this.alphaTestNode = null;
+
+		this.lightNode = null;
+
+		this.positionNode = null;
+		this.rotationNode = null;
+		this.scaleNode = null;
+
+		this.setDefaultValues( defaultValues );
+
+		this.setValues( parameters );
+
+	}
+
+	setupPosition( { object, context } ) {
+
+		// < VERTEX STAGE >
+
+		const { positionNode, rotationNode, scaleNode } = this;
+
+		const vertex = positionLocal;
+
+		let mvPosition = modelViewMatrix.mul( vec3( positionNode || 0 ) );
+
+		let scale = vec2( modelWorldMatrix[ 0 ].xyz.length(), modelWorldMatrix[ 1 ].xyz.length() );
+
+		if ( scaleNode !== null ) {
+
+			scale = scale.mul( scaleNode );
+
+		}
+
+		let alignedPosition = vertex.xy;
+
+		if ( object.center && object.center.isVector2 === true ) {
+
+			alignedPosition = alignedPosition.sub( uniform( object.center ).sub( 0.5 ) );
+
+		}
+
+		alignedPosition = alignedPosition.mul( scale );
+
+		const rotation = float( rotationNode || materialRotation );
+
+		const cosAngle = rotation.cos();
+		const sinAngle = rotation.sin();
+
+		const rotatedPosition = vec2( // @TODO: Maybe we can create mat2 and write something like rotationMatrix.mul( alignedPosition )?
+			vec2( cosAngle, sinAngle.negate() ).dot( alignedPosition ),
+			vec2( sinAngle, cosAngle ).dot( alignedPosition )
+		);
+
+		mvPosition = vec4( mvPosition.xy.add( rotatedPosition ), mvPosition.zw );
+
+		const modelViewProjection = cameraProjectionMatrix.mul( mvPosition );
+
+		context.vertex = vertex;
+
+		return modelViewProjection;
+
+	}
+
+	copy( source ) {
+
+		this.positionNode = source.positionNode;
+		this.rotationNode = source.rotationNode;
+		this.scaleNode = source.scaleNode;
+
+		return super.copy( source );
+
+	}
+
+}
+
+export default SpriteNodeMaterial;
+
+addNodeMaterial( 'SpriteNodeMaterial', SpriteNodeMaterial );