BufferGeometry: Renamed uv2, uv3, uv4 to uv1, uv2, uv3

docs/api/en/core/Raycaster.html

@@ -184,7 +184,7 @@ <h3>[method:Array intersectObject]( [param:Object3D object], [param:Boolean recu
 			[page:Integer faceIndex] – index of the intersected face<br />
 			[page:Object3D object] – the intersected object<br />
 			[page:Vector2 uv] - U,V coordinates at point of intersection<br />
-			[page:Vector2 uv2] - Second set of U,V coordinates at point of
+			[page:Vector2 uv1] - Second set of U,V coordinates at point of
 			intersection<br />
 			[page:Vector3 normal] - interpolated normal vector at point of
 			intersection<br />

docs/api/en/materials/ShaderMaterial.html

@@ -313,7 +313,7 @@ <h3>[property:Object defaultAttributeValues]</h3>
 this.defaultAttributeValues = { 
 	'color': [ 1, 1, 1 ], 
 	'uv': [ 0, 0 ],
-	'uv2': [ 0, 0 ] 
+	'uv1': [ 0, 0 ] 
 };
 			</code>
 		</p>

docs/api/en/textures/Texture.html

@@ -84,8 +84,8 @@ <h3>[property:number mapping]</h3>
 
 		<h3>[property:Integer channel]</h3>
 		<p>
-			Lets you select the uv attribute to map the texture to. `0` for `uv` and
-			`1` for `uv2`.
+			Lets you select the uv attribute to map the texture to. `0` for `uv`,
+			`1` for `uv1`, `2` for `uv2` and `3` for `uv3`.
 		</p>
 
 		<h3>[property:number wrapS]</h3>

docs/api/fr/materials/ShaderMaterial.html

@@ -283,7 +283,7 @@ <h3>[property:Object defaultAttributeValues]</h3>
 			this.defaultAttributeValues = {
 				'color': [ 1, 1, 1 ],
 				'uv': [ 0, 0 ],
-				'uv2': [ 0, 0 ]
+				'uv1': [ 0, 0 ]
 			};
 		</code>
 

docs/api/it/core/Raycaster.html

@@ -178,7 +178,7 @@ <h3>[method:Array intersectObject]( [param:Object3D object], [param:Boolean recu
 			[page:Integer faceIndex] – indice della faccia intersecata<br />
 			[page:Object3D object] – l'oggetto intersecato<br />
 			[page:Vector2 uv] - le coordinate U,V nel punto di intersezione<br />
-			[page:Vector2 uv2] - Secondo insieme delle coordinate U,V nel punto di intersezione<br />
+			[page:Vector2 uv1] - Secondo insieme delle coordinate U,V nel punto di intersezione<br />
 			[page:Vector3 normal] - vettore normale interpolato nel punto di intersezione<br />
 			[page:Integer instanceId] – Il numero di indice dell'istanza in cui il raggio interseca la InstancedMesh.
 		</p>

docs/api/it/materials/ShaderMaterial.html

@@ -288,7 +288,7 @@ <h3>[property:Object defaultAttributeValues]</h3>
 this.defaultAttributeValues = {
 	'color': [ 1, 1, 1 ],
 	'uv': [ 0, 0 ],
-	'uv2': [ 0, 0 ]
+	'uv1': [ 0, 0 ]
 };
 			</code>
 

docs/api/it/textures/Texture.html

@@ -81,7 +81,7 @@ <h3>[property:number mapping]</h3>
 
 		<h3>[property:Integer channel]</h3>
 		<p>
-			Lets you select the uv attribute to map the texture to. `0` for `uv` and `1` for `uv2`.
+			Lets you select the uv attribute to map the texture to. `0` for `uv`, `1` for `uv1`, `2` for `uv2` and `3` for `uv3`.
 		</p>
 
 		<h3>[property:number wrapS]</h3>

docs/api/ko/core/Raycaster.html

@@ -174,7 +174,7 @@ <h3>[method:Array intersectObject]( [param:Object3D object], [param:Boolean recu
 			[page:Integer faceIndex] – 교차 면의 인덱스<br />
 			[page:Object3D object] – 교차된 객체<br />
 			[page:Vector2 uv] - 교차점의 U,V 좌표<br />
-			[page:Vector2 uv2] - 교차점의 U,V 2차 좌표<br />
+			[page:Vector2 uv1] - 교차점의 U,V 2차 좌표<br />
 			[page:Vector3 normal] - 교차점에서 보간된 법선 벡터<br />
 			[page:Integer instanceId] – InstancedMesh에 교차하는 레이의 인스턴스 인덱스 넘버입니다.
 		</p>

docs/api/zh/core/Raycaster.html

@@ -179,7 +179,7 @@ <h3>[method:Array intersectObject]( [param:Object3D object], [param:Boolean recu
 			[page:Integer faceIndex] —— 相交的面的索引<br />
 			[page:Object3D object] —— 相交的物体<br />
 			[page:Vector2 uv] —— 相交部分的点的UV坐标。<br />
-			[page:Vector2 uv2] —— Second set of U,V coordinates at point of intersection<br />
+			[page:Vector2 uv1] —— Second set of U,V coordinates at point of intersection<br />
 			[page:Vector3 normal] - 交点处的内插法向量<br />
 			[page:Integer instanceId] – The index number of the instance where the ray intersects the InstancedMesh
 		</p>

docs/api/zh/materials/ShaderMaterial.html

@@ -254,7 +254,7 @@ <h3>[property:Object defaultAttributeValues]</h3>
 this.defaultAttributeValues = {
 	'color': [ 1, 1, 1 ],
 	'uv': [ 0, 0 ],
-	'uv2': [ 0, 0 ]
+	'uv1': [ 0, 0 ]
 };
 			</code>
 

docs/api/zh/textures/Texture.html

@@ -73,7 +73,7 @@ <h3>[property:number mapping]</h3>
 
 		<h3>[property:Integer channel]</h3>
 		<p>
-		Lets you select the uv attribute to map the texture to. `0` for `uv` and `1` for `uv2`.
+		Lets you select the uv attribute to map the texture to. `0` for `uv`, `1` for `uv1`, `2` for `uv2` and `3` for `uv3`.
 		</p>
 
 		<h3>[property:number wrapS]</h3>

examples/jsm/exporters/ColladaExporter.js

@@ -307,10 +307,10 @@ class ColladaExporter {
 				}
 
 				// serialize lightmap uvs
-				if ( 'uv2' in bufferGeometry.attributes ) {
+				if ( 'uv1' in bufferGeometry.attributes ) {
 
 					const uvName = `${ meshid }-texcoord2`;
-					gnode += getAttribute( bufferGeometry.attributes.uv2, uvName, [ 'S', 'T' ], 'float' );
+					gnode += getAttribute( bufferGeometry.attributes.uv1, uvName, [ 'S', 'T' ], 'float' );
 					triangleInputs += `<input semantic="TEXCOORD" source="#${ uvName }" offset="0" set="1" />`;
 
 				}

examples/jsm/exporters/GLTFExporter.js

@@ -1609,7 +1609,7 @@ class GLTFWriter {
 		// Conversion between attributes names in threejs and gltf spec
 		const nameConversion = {
 			uv: 'TEXCOORD_0',
-			uv2: 'TEXCOORD_1',
+			uv1: 'TEXCOORD_1',
 			color: 'COLOR_0',
 			skinWeight: 'WEIGHTS_0',
 			skinIndex: 'JOINTS_0'

examples/jsm/lines/LineSegments2.js

@@ -80,7 +80,7 @@ function raycastWorldUnits( lineSegments, intersects ) {
 				face: null,
 				faceIndex: i,
 				uv: null,
-				uv2: null,
+				uv1: null,
 			} );
 
 		}
@@ -213,7 +213,7 @@ function raycastScreenSpace( lineSegments, camera, intersects ) {
 				face: null,
 				faceIndex: i,
 				uv: null,
-				uv2: null,
+				uv1: null,
 			} );
 
 		}

examples/jsm/loaders/ColladaLoader.js

@@ -2337,7 +2337,7 @@ class ColladaLoader extends Loader {
 			const position = { array: [], stride: 0 };
 			const normal = { array: [], stride: 0 };
 			const uv = { array: [], stride: 0 };
-			const uv2 = { array: [], stride: 0 };
+			const uv1 = { array: [], stride: 0 };
 			const color = { array: [], stride: 0 };
 
 			const skinIndex = { array: [], stride: 4 };
@@ -2472,7 +2472,7 @@ class ColladaLoader extends Loader {
 										break;
 
 									case 'TEXCOORD1':
-										buildGeometryData( primitive, sources[ id ], input.offset, uv2.array );
+										buildGeometryData( primitive, sources[ id ], input.offset, uv1.array );
 										uv.stride = sources[ id ].stride;
 										break;
 
@@ -2501,8 +2501,8 @@ class ColladaLoader extends Loader {
 							break;
 
 						case 'TEXCOORD1':
-							buildGeometryData( primitive, sources[ input.id ], input.offset, uv2.array );
-							uv2.stride = sources[ input.id ].stride;
+							buildGeometryData( primitive, sources[ input.id ], input.offset, uv1.array );
+							uv1.stride = sources[ input.id ].stride;
 							break;
 
 					}
@@ -2517,7 +2517,7 @@ class ColladaLoader extends Loader {
 			if ( normal.array.length > 0 ) geometry.setAttribute( 'normal', new Float32BufferAttribute( normal.array, normal.stride ) );
 			if ( color.array.length > 0 ) geometry.setAttribute( 'color', new Float32BufferAttribute( color.array, color.stride ) );
 			if ( uv.array.length > 0 ) geometry.setAttribute( 'uv', new Float32BufferAttribute( uv.array, uv.stride ) );
-			if ( uv2.array.length > 0 ) geometry.setAttribute( 'uv2', new Float32BufferAttribute( uv2.array, uv2.stride ) );
+			if ( uv1.array.length > 0 ) geometry.setAttribute( 'uv1', new Float32BufferAttribute( uv1.array, uv1.stride ) );
 
 			if ( skinIndex.array.length > 0 ) geometry.setAttribute( 'skinIndex', new Float32BufferAttribute( skinIndex.array, skinIndex.stride ) );
 			if ( skinWeight.array.length > 0 ) geometry.setAttribute( 'skinWeight', new Float32BufferAttribute( skinWeight.array, skinWeight.stride ) );

examples/jsm/loaders/FBXLoader.js

@@ -1635,15 +1635,7 @@ class GeometryParser {
 
 		buffers.uvs.forEach( function ( uvBuffer, i ) {
 
-			// subsequent uv buffers are called 'uv1', 'uv2', ...
-			let name = 'uv' + ( i + 1 ).toString();
-
-			// the first uv buffer is just called 'uv'
-			if ( i === 0 ) {
-
-				name = 'uv';
-
-			}
+			const name = i === 0 ? 'uv' : `uv${ i }`;
 
 			geo.setAttribute( name, new Float32BufferAttribute( buffers.uvs[ i ], 2 ) );
 

examples/jsm/loaders/GLTFLoader.js

@@ -2031,9 +2031,9 @@ const ATTRIBUTES = {
 	NORMAL: 'normal',
 	TANGENT: 'tangent',
 	TEXCOORD_0: 'uv',
-	TEXCOORD_1: 'uv2',
-	TEXCOORD_2: 'uv3',
-	TEXCOORD_3: 'uv4',
+	TEXCOORD_1: 'uv1',
+	TEXCOORD_2: 'uv2',
+	TEXCOORD_3: 'uv3',
 	COLOR_0: 'color',
 	WEIGHTS_0: 'skinWeight',
 	JOINTS_0: 'skinIndex',

examples/jsm/loaders/LWOLoader.js

@@ -14,7 +14,6 @@
 import {
 	AddOperation,
 	BackSide,
-	BufferAttribute,
 	BufferGeometry,
 	ClampToEdgeWrapping,
 	Color,
@@ -171,8 +170,6 @@ class LWOTreeParser {
 
 		const materials = this.getMaterials( geometry.userData.matNames, layer.geometry.type );
 
-		this.duplicateUVs( geometry, materials );
-
 		if ( layer.geometry.type === 'points' ) mesh = new Points( geometry, materials );
 		else if ( layer.geometry.type === 'lines' ) mesh = new LineSegments( geometry, materials );
 		else mesh = new Mesh( geometry, materials );
@@ -270,31 +267,6 @@ class LWOTreeParser {
 
 	}
 
-	// If the material has an aoMap, duplicate UVs
-	duplicateUVs( geometry, materials ) {
-
-		let duplicateUVs = false;
-
-		if ( ! Array.isArray( materials ) ) {
-
-			if ( materials.aoMap ) duplicateUVs = true;
-
-		} else {
-
-			materials.forEach( function ( material ) {
-
-				if ( material.aoMap ) duplicateUVs = true;
-
-			} );
-
-		}
-
-		if ( ! duplicateUVs ) return;
-
-		geometry.setAttribute( 'uv2', new BufferAttribute( geometry.attributes.uv.array, 2 ) );
-
-	}
-
 }
 
 class MaterialParser {

examples/jsm/misc/ProgressiveLightMap.js

@@ -46,7 +46,7 @@ class ProgressiveLightMap {
 			// Vertex Shader: Set Vertex Positions to the Unwrapped UV Positions
 			shader.vertexShader =
 				'#define USE_LIGHTMAP\n' +
-				'#define LIGHTMAP_UV uv2\n' +
+				'#define LIGHTMAP_UV uv1\n' +
 				shader.vertexShader.slice( 0, - 1 ) +
 				'	gl_Position = vec4((LIGHTMAP_UV - 0.5) * 2.0, 1.0, 1.0); }';
 
@@ -77,7 +77,7 @@ class ProgressiveLightMap {
 	}
 
 	/**
-	 * Sets these objects' materials' lightmaps and modifies their uv2's.
+	 * Sets these objects' materials' lightmaps and modifies their uv1's.
 	 * @param {Object3D} objects An array of objects and lights to set up your lightmap.
 	 */
 	addObjectsToLightMap( objects ) {
@@ -130,16 +130,16 @@ class ProgressiveLightMap {
 		const dimensions = potpack( this.uv_boxes );
 		this.uv_boxes.forEach( ( box ) => {
 
-			const uv2 = objects[ box.index ].geometry.getAttribute( 'uv' ).clone();
-			for ( let i = 0; i < uv2.array.length; i += uv2.itemSize ) {
+			const uv1 = objects[ box.index ].geometry.getAttribute( 'uv' ).clone();
+			for ( let i = 0; i < uv1.array.length; i += uv1.itemSize ) {
 
-				uv2.array[ i ] = ( uv2.array[ i ] + box.x + padding ) / dimensions.w;
-				uv2.array[ i + 1 ] = ( uv2.array[ i + 1 ] + box.y + padding ) / dimensions.h;
+				uv1.array[ i ] = ( uv1.array[ i ] + box.x + padding ) / dimensions.w;
+				uv1.array[ i + 1 ] = ( uv1.array[ i + 1 ] + box.y + padding ) / dimensions.h;
 
 			}
 
-			objects[ box.index ].geometry.setAttribute( 'uv2', uv2 );
-			objects[ box.index ].geometry.getAttribute( 'uv2' ).needsUpdate = true;
+			objects[ box.index ].geometry.setAttribute( 'uv1', uv1 );
+			objects[ box.index ].geometry.getAttribute( 'uv1' ).needsUpdate = true;
 
 		} );