From 5558da2487fc367badb01a9feb4c9e0e9ffa76f3 Mon Sep 17 00:00:00 2001 From: luxiaotao1123 <t1341870251@63.com> Date: 星期五, 17 十二月 2021 13:14:28 +0800 Subject: [PATCH] # --- static/js/app.js | 1 views/index.html | 2 static/js/object/StoreShelf.js | 60 ++ static/js/utils/BufferGeometryUtils.js | 943 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 990 insertions(+), 16 deletions(-) diff --git a/static/js/app.js b/static/js/app.js index d21848e..8d45283 100644 --- a/static/js/app.js +++ b/static/js/app.js @@ -2,6 +2,7 @@ import Stats from './lib/stats.module.js'; import {MTLLoader} from './lib/MTLLoader.js'; import {OBJLoader} from './lib/OBJLoader.js'; +import {StoreShelf} from './object/StoreShelf.js'; var APP = { diff --git a/static/js/object/StoreShelf.js b/static/js/object/StoreShelf.js index 3d093b3..63262ba 100644 --- a/static/js/object/StoreShelf.js +++ b/static/js/object/StoreShelf.js @@ -1,3 +1,5 @@ +import * as BufferGeometryUtils from '../utils/BufferGeometryUtils.js'; + function StoreShelf(option) { this.binLength = option.binLength||50;//搴撲綅闀垮害 this.binWidth = option.binWidth||50;//搴撲綅瀹� @@ -16,7 +18,7 @@ let shelfMat = new THREE.MeshLambertMaterial({ color: 0x175EC0, transparent: true, - opacity: .2 + opacity: .6 });//瀹氫箟鏀灦鍜屾墭鐩樼殑鏉愯川 //瀹氫箟涓�涓粍鍚堜綋 let group = new THREE.Group(); @@ -40,29 +42,57 @@ //鍙充晶鏀灦鏌辩殑X杞村畾浣� let rightPositionX=this.positionX+this.binLength/2 - this.rackLengh; // 缂╄繘鏀灦闀垮害 + let geometries = []; + let transform = new THREE.Object3D(); // 鍒濆鍖栨敮鏋舵ā鍨� for(let i=0;i<=this.binZNum;i++) { - let leftRack = rackObject.clone(); - let positionZ = - ( this.positionZ + i*this.binWidth ); - leftRack.position.set(leftPositionX,positionY,positionZ); - leftRack.updateMatrix(); - group.add(leftRack); + // let leftRack = rackObject.clone(); + // let positionZ = - ( this.positionZ + i*this.binWidth ); + // leftRack.position.set(leftPositionX,positionY,positionZ); + // leftRack.updateMatrix(); + // group.add(leftRack); + // + // let rightRack = rackObject.clone(); + // rightRack.position.set(rightPositionX,positionY,positionZ); + // rightRack.updateMatrix(); + // group.add(rightRack); - let rightRack = rackObject.clone(); - rightRack.position.set(rightPositionX,positionY,positionZ); - rightRack.updateMatrix(); - group.add(rightRack); + let positionZ = - ( this.positionZ + i*this.binWidth ); + // ----- + let leftClone = rackBoxGeometry.clone(); + transform.position.set(leftPositionX,positionY,positionZ); + transform.updateMatrix(); + leftClone.applyMatrix4(transform.matrix); + geometries.push(leftClone); + + let rightClone = rackBoxGeometry.clone(); + transform.position.set(rightPositionX,positionY,positionZ); + transform.updateMatrix(); + rightClone.applyMatrix4(transform.matrix); + geometries.push(rightClone); } // 鍒濆鍖栨墭鏉挎ā鍨� for(let i = 0;i < this.binZNum;i++) { for (let j = 0;j <= this.binYNum;j++) { - let plane = planeObject.clone(); + // let plane = planeObject.clone(); + // let positionY= this.positionY + this.bottomHight + j*this.binHeight + 1; + // let positionZ= - ( this.positionZ + i * this.binWidth + this.binWidth/2 ); + // plane.position.set(this.positionX-this.rackLengh/2,positionY,positionZ); + // plane.updateMatrix(); + // group.add(plane); + + let clone = planeBoxGeometry.clone(); let positionY= this.positionY + this.bottomHight + j*this.binHeight + 1; let positionZ= - ( this.positionZ + i * this.binWidth + this.binWidth/2 ); - plane.position.set(this.positionX-this.rackLengh/2,positionY,positionZ); - plane.updateMatrix(); - group.add(plane); + transform.position.set(this.positionX-this.rackLengh/2,positionY,positionZ); + transform.updateMatrix(); + clone.applyMatrix4(transform.matrix); + geometries.push(clone); } } - return group; + + let mergedGeometry = BufferGeometryUtils.mergeBufferGeometries(geometries); + return new THREE.Mesh(mergedGeometry, shelfMat); } + +export {StoreShelf} diff --git a/static/js/utils/BufferGeometryUtils.js b/static/js/utils/BufferGeometryUtils.js new file mode 100644 index 0000000..a13cdb3 --- /dev/null +++ b/static/js/utils/BufferGeometryUtils.js @@ -0,0 +1,943 @@ +import { + BufferAttribute, + BufferGeometry, + Float32BufferAttribute, + InterleavedBuffer, + InterleavedBufferAttribute, + TriangleFanDrawMode, + TriangleStripDrawMode, + TrianglesDrawMode, + Vector3 +} from '../three.module.js'; + + +function computeTangents( geometry ) { + + geometry.computeTangents(); + console.warn( 'THREE.BufferGeometryUtils: .computeTangents() has been removed. Use BufferGeometry.computeTangents() instead.' ); + +} + +/** + * @param {Array<BufferGeometry>} geometries + * @param {Boolean} useGroups + * @return {BufferGeometry} + */ +function mergeBufferGeometries( geometries, useGroups = false ) { + + const isIndexed = geometries[ 0 ].index !== null; + + const attributesUsed = new Set( Object.keys( geometries[ 0 ].attributes ) ); + const morphAttributesUsed = new Set( Object.keys( geometries[ 0 ].morphAttributes ) ); + + const attributes = {}; + const morphAttributes = {}; + + const morphTargetsRelative = geometries[ 0 ].morphTargetsRelative; + + const mergedGeometry = new BufferGeometry(); + + let offset = 0; + + for ( let i = 0; i < geometries.length; ++ i ) { + + const geometry = geometries[ i ]; + let attributesCount = 0; + + // ensure that all geometries are indexed, or none + + if ( isIndexed !== ( geometry.index !== null ) ) { + + console.error( 'THREE.BufferGeometryUtils: .mergeBufferGeometries() failed with geometry at index ' + i + '. All geometries must have compatible attributes; make sure index attribute exists among all geometries, or in none of them.' ); + return null; + + } + + // gather attributes, exit early if they're different + + for ( const name in geometry.attributes ) { + + if ( ! attributesUsed.has( name ) ) { + + console.error( 'THREE.BufferGeometryUtils: .mergeBufferGeometries() failed with geometry at index ' + i + '. All geometries must have compatible attributes; make sure "' + name + '" attribute exists among all geometries, or in none of them.' ); + return null; + + } + + if ( attributes[ name ] === undefined ) attributes[ name ] = []; + + attributes[ name ].push( geometry.attributes[ name ] ); + + attributesCount ++; + + } + + // ensure geometries have the same number of attributes + + if ( attributesCount !== attributesUsed.size ) { + + console.error( 'THREE.BufferGeometryUtils: .mergeBufferGeometries() failed with geometry at index ' + i + '. Make sure all geometries have the same number of attributes.' ); + return null; + + } + + // gather morph attributes, exit early if they're different + + if ( morphTargetsRelative !== geometry.morphTargetsRelative ) { + + console.error( 'THREE.BufferGeometryUtils: .mergeBufferGeometries() failed with geometry at index ' + i + '. .morphTargetsRelative must be consistent throughout all geometries.' ); + return null; + + } + + for ( const name in geometry.morphAttributes ) { + + if ( ! morphAttributesUsed.has( name ) ) { + + console.error( 'THREE.BufferGeometryUtils: .mergeBufferGeometries() failed with geometry at index ' + i + '. .morphAttributes must be consistent throughout all geometries.' ); + return null; + + } + + if ( morphAttributes[ name ] === undefined ) morphAttributes[ name ] = []; + + morphAttributes[ name ].push( geometry.morphAttributes[ name ] ); + + } + + // gather .userData + + mergedGeometry.userData.mergedUserData = mergedGeometry.userData.mergedUserData || []; + mergedGeometry.userData.mergedUserData.push( geometry.userData ); + + if ( useGroups ) { + + let count; + + if ( isIndexed ) { + + count = geometry.index.count; + + } else if ( geometry.attributes.position !== undefined ) { + + count = geometry.attributes.position.count; + + } else { + + console.error( 'THREE.BufferGeometryUtils: .mergeBufferGeometries() failed with geometry at index ' + i + '. The geometry must have either an index or a position attribute' ); + return null; + + } + + mergedGeometry.addGroup( offset, count, i ); + + offset += count; + + } + + } + + // merge indices + + if ( isIndexed ) { + + let indexOffset = 0; + const mergedIndex = []; + + for ( let i = 0; i < geometries.length; ++ i ) { + + const index = geometries[ i ].index; + + for ( let j = 0; j < index.count; ++ j ) { + + mergedIndex.push( index.getX( j ) + indexOffset ); + + } + + indexOffset += geometries[ i ].attributes.position.count; + + } + + mergedGeometry.setIndex( mergedIndex ); + + } + + // merge attributes + + for ( const name in attributes ) { + + const mergedAttribute = mergeBufferAttributes( attributes[ name ] ); + + if ( ! mergedAttribute ) { + + console.error( 'THREE.BufferGeometryUtils: .mergeBufferGeometries() failed while trying to merge the ' + name + ' attribute.' ); + return null; + + } + + mergedGeometry.setAttribute( name, mergedAttribute ); + + } + + // merge morph attributes + + for ( const name in morphAttributes ) { + + const numMorphTargets = morphAttributes[ name ][ 0 ].length; + + if ( numMorphTargets === 0 ) break; + + mergedGeometry.morphAttributes = mergedGeometry.morphAttributes || {}; + mergedGeometry.morphAttributes[ name ] = []; + + for ( let i = 0; i < numMorphTargets; ++ i ) { + + const morphAttributesToMerge = []; + + for ( let j = 0; j < morphAttributes[ name ].length; ++ j ) { + + morphAttributesToMerge.push( morphAttributes[ name ][ j ][ i ] ); + + } + + const mergedMorphAttribute = mergeBufferAttributes( morphAttributesToMerge ); + + if ( ! mergedMorphAttribute ) { + + console.error( 'THREE.BufferGeometryUtils: .mergeBufferGeometries() failed while trying to merge the ' + name + ' morphAttribute.' ); + return null; + + } + + mergedGeometry.morphAttributes[ name ].push( mergedMorphAttribute ); + + } + + } + + return mergedGeometry; + +} + +/** + * @param {Array<BufferAttribute>} attributes + * @return {BufferAttribute} + */ +function mergeBufferAttributes( attributes ) { + + let TypedArray; + let itemSize; + let normalized; + let arrayLength = 0; + + for ( let i = 0; i < attributes.length; ++ i ) { + + const attribute = attributes[ i ]; + + if ( attribute.isInterleavedBufferAttribute ) { + + console.error( 'THREE.BufferGeometryUtils: .mergeBufferAttributes() failed. InterleavedBufferAttributes are not supported.' ); + return null; + + } + + if ( TypedArray === undefined ) TypedArray = attribute.array.constructor; + if ( TypedArray !== attribute.array.constructor ) { + + console.error( 'THREE.BufferGeometryUtils: .mergeBufferAttributes() failed. BufferAttribute.array must be of consistent array types across matching attributes.' ); + return null; + + } + + if ( itemSize === undefined ) itemSize = attribute.itemSize; + if ( itemSize !== attribute.itemSize ) { + + console.error( 'THREE.BufferGeometryUtils: .mergeBufferAttributes() failed. BufferAttribute.itemSize must be consistent across matching attributes.' ); + return null; + + } + + if ( normalized === undefined ) normalized = attribute.normalized; + if ( normalized !== attribute.normalized ) { + + console.error( 'THREE.BufferGeometryUtils: .mergeBufferAttributes() failed. BufferAttribute.normalized must be consistent across matching attributes.' ); + return null; + + } + + arrayLength += attribute.array.length; + + } + + const array = new TypedArray( arrayLength ); + let offset = 0; + + for ( let i = 0; i < attributes.length; ++ i ) { + + array.set( attributes[ i ].array, offset ); + + offset += attributes[ i ].array.length; + + } + + return new BufferAttribute( array, itemSize, normalized ); + +} + +/** + * @param {Array<BufferAttribute>} attributes + * @return {Array<InterleavedBufferAttribute>} + */ +function interleaveAttributes( attributes ) { + + // Interleaves the provided attributes into an InterleavedBuffer and returns + // a set of InterleavedBufferAttributes for each attribute + let TypedArray; + let arrayLength = 0; + let stride = 0; + + // calculate the the length and type of the interleavedBuffer + for ( let i = 0, l = attributes.length; i < l; ++ i ) { + + const attribute = attributes[ i ]; + + if ( TypedArray === undefined ) TypedArray = attribute.array.constructor; + if ( TypedArray !== attribute.array.constructor ) { + + console.error( 'AttributeBuffers of different types cannot be interleaved' ); + return null; + + } + + arrayLength += attribute.array.length; + stride += attribute.itemSize; + + } + + // Create the set of buffer attributes + const interleavedBuffer = new InterleavedBuffer( new TypedArray( arrayLength ), stride ); + let offset = 0; + const res = []; + const getters = [ 'getX', 'getY', 'getZ', 'getW' ]; + const setters = [ 'setX', 'setY', 'setZ', 'setW' ]; + + for ( let j = 0, l = attributes.length; j < l; j ++ ) { + + const attribute = attributes[ j ]; + const itemSize = attribute.itemSize; + const count = attribute.count; + const iba = new InterleavedBufferAttribute( interleavedBuffer, itemSize, offset, attribute.normalized ); + res.push( iba ); + + offset += itemSize; + + // Move the data for each attribute into the new interleavedBuffer + // at the appropriate offset + for ( let c = 0; c < count; c ++ ) { + + for ( let k = 0; k < itemSize; k ++ ) { + + iba[ setters[ k ] ]( c, attribute[ getters[ k ] ]( c ) ); + + } + + } + + } + + return res; + +} + +/** + * @param {Array<BufferGeometry>} geometry + * @return {number} + */ +function estimateBytesUsed( geometry ) { + + // Return the estimated memory used by this geometry in bytes + // Calculate using itemSize, count, and BYTES_PER_ELEMENT to account + // for InterleavedBufferAttributes. + let mem = 0; + for ( const name in geometry.attributes ) { + + const attr = geometry.getAttribute( name ); + mem += attr.count * attr.itemSize * attr.array.BYTES_PER_ELEMENT; + + } + + const indices = geometry.getIndex(); + mem += indices ? indices.count * indices.itemSize * indices.array.BYTES_PER_ELEMENT : 0; + return mem; + +} + +/** + * @param {BufferGeometry} geometry + * @param {number} tolerance + * @return {BufferGeometry>} + */ +function mergeVertices( geometry, tolerance = 1e-4 ) { + + tolerance = Math.max( tolerance, Number.EPSILON ); + + // Generate an index buffer if the geometry doesn't have one, or optimize it + // if it's already available. + const hashToIndex = {}; + const indices = geometry.getIndex(); + const positions = geometry.getAttribute( 'position' ); + const vertexCount = indices ? indices.count : positions.count; + + // next value for triangle indices + let nextIndex = 0; + + // attributes and new attribute arrays + const attributeNames = Object.keys( geometry.attributes ); + const attrArrays = {}; + const morphAttrsArrays = {}; + const newIndices = []; + const getters = [ 'getX', 'getY', 'getZ', 'getW' ]; + + // initialize the arrays + for ( let i = 0, l = attributeNames.length; i < l; i ++ ) { + + const name = attributeNames[ i ]; + + attrArrays[ name ] = []; + + const morphAttr = geometry.morphAttributes[ name ]; + if ( morphAttr ) { + + morphAttrsArrays[ name ] = new Array( morphAttr.length ).fill().map( () => [] ); + + } + + } + + // convert the error tolerance to an amount of decimal places to truncate to + const decimalShift = Math.log10( 1 / tolerance ); + const shiftMultiplier = Math.pow( 10, decimalShift ); + for ( let i = 0; i < vertexCount; i ++ ) { + + const index = indices ? indices.getX( i ) : i; + + // Generate a hash for the vertex attributes at the current index 'i' + let hash = ''; + for ( let j = 0, l = attributeNames.length; j < l; j ++ ) { + + const name = attributeNames[ j ]; + const attribute = geometry.getAttribute( name ); + const itemSize = attribute.itemSize; + + for ( let k = 0; k < itemSize; k ++ ) { + + // double tilde truncates the decimal value + hash += `${ ~ ~ ( attribute[ getters[ k ] ]( index ) * shiftMultiplier ) },`; + + } + + } + + // Add another reference to the vertex if it's already + // used by another index + if ( hash in hashToIndex ) { + + newIndices.push( hashToIndex[ hash ] ); + + } else { + + // copy data to the new index in the attribute arrays + for ( let j = 0, l = attributeNames.length; j < l; j ++ ) { + + const name = attributeNames[ j ]; + const attribute = geometry.getAttribute( name ); + const morphAttr = geometry.morphAttributes[ name ]; + const itemSize = attribute.itemSize; + const newarray = attrArrays[ name ]; + const newMorphArrays = morphAttrsArrays[ name ]; + + for ( let k = 0; k < itemSize; k ++ ) { + + const getterFunc = getters[ k ]; + newarray.push( attribute[ getterFunc ]( index ) ); + + if ( morphAttr ) { + + for ( let m = 0, ml = morphAttr.length; m < ml; m ++ ) { + + newMorphArrays[ m ].push( morphAttr[ m ][ getterFunc ]( index ) ); + + } + + } + + } + + } + + hashToIndex[ hash ] = nextIndex; + newIndices.push( nextIndex ); + nextIndex ++; + + } + + } + + // Generate typed arrays from new attribute arrays and update + // the attributeBuffers + const result = geometry.clone(); + for ( let i = 0, l = attributeNames.length; i < l; i ++ ) { + + const name = attributeNames[ i ]; + const oldAttribute = geometry.getAttribute( name ); + + const buffer = new oldAttribute.array.constructor( attrArrays[ name ] ); + const attribute = new BufferAttribute( buffer, oldAttribute.itemSize, oldAttribute.normalized ); + + result.setAttribute( name, attribute ); + + // Update the attribute arrays + if ( name in morphAttrsArrays ) { + + for ( let j = 0; j < morphAttrsArrays[ name ].length; j ++ ) { + + const oldMorphAttribute = geometry.morphAttributes[ name ][ j ]; + + const buffer = new oldMorphAttribute.array.constructor( morphAttrsArrays[ name ][ j ] ); + const morphAttribute = new BufferAttribute( buffer, oldMorphAttribute.itemSize, oldMorphAttribute.normalized ); + result.morphAttributes[ name ][ j ] = morphAttribute; + + } + + } + + } + + // indices + + result.setIndex( newIndices ); + + return result; + +} + +/** + * @param {BufferGeometry} geometry + * @param {number} drawMode + * @return {BufferGeometry>} + */ +function toTrianglesDrawMode( geometry, drawMode ) { + + if ( drawMode === TrianglesDrawMode ) { + + console.warn( 'THREE.BufferGeometryUtils.toTrianglesDrawMode(): Geometry already defined as triangles.' ); + return geometry; + + } + + if ( drawMode === TriangleFanDrawMode || drawMode === TriangleStripDrawMode ) { + + let index = geometry.getIndex(); + + // generate index if not present + + if ( index === null ) { + + const indices = []; + + const position = geometry.getAttribute( 'position' ); + + if ( position !== undefined ) { + + for ( let i = 0; i < position.count; i ++ ) { + + indices.push( i ); + + } + + geometry.setIndex( indices ); + index = geometry.getIndex(); + + } else { + + console.error( 'THREE.BufferGeometryUtils.toTrianglesDrawMode(): Undefined position attribute. Processing not possible.' ); + return geometry; + + } + + } + + // + + const numberOfTriangles = index.count - 2; + const newIndices = []; + + if ( drawMode === TriangleFanDrawMode ) { + + // gl.TRIANGLE_FAN + + for ( let i = 1; i <= numberOfTriangles; i ++ ) { + + newIndices.push( index.getX( 0 ) ); + newIndices.push( index.getX( i ) ); + newIndices.push( index.getX( i + 1 ) ); + + } + + } else { + + // gl.TRIANGLE_STRIP + + for ( let i = 0; i < numberOfTriangles; i ++ ) { + + if ( i % 2 === 0 ) { + + newIndices.push( index.getX( i ) ); + newIndices.push( index.getX( i + 1 ) ); + newIndices.push( index.getX( i + 2 ) ); + + } else { + + newIndices.push( index.getX( i + 2 ) ); + newIndices.push( index.getX( i + 1 ) ); + newIndices.push( index.getX( i ) ); + + } + + } + + } + + if ( ( newIndices.length / 3 ) !== numberOfTriangles ) { + + console.error( 'THREE.BufferGeometryUtils.toTrianglesDrawMode(): Unable to generate correct amount of triangles.' ); + + } + + // build final geometry + + const newGeometry = geometry.clone(); + newGeometry.setIndex( newIndices ); + newGeometry.clearGroups(); + + return newGeometry; + + } else { + + console.error( 'THREE.BufferGeometryUtils.toTrianglesDrawMode(): Unknown draw mode:', drawMode ); + return geometry; + + } + +} + +/** + * Calculates the morphed attributes of a morphed/skinned BufferGeometry. + * Helpful for Raytracing or Decals. + * @param {Mesh | Line | Points} object An instance of Mesh, Line or Points. + * @return {Object} An Object with original position/normal attributes and morphed ones. + */ +function computeMorphedAttributes( object ) { + + if ( object.geometry.isBufferGeometry !== true ) { + + console.error( 'THREE.BufferGeometryUtils: Geometry is not of type BufferGeometry.' ); + return null; + + } + + const _vA = new Vector3(); + const _vB = new Vector3(); + const _vC = new Vector3(); + + const _tempA = new Vector3(); + const _tempB = new Vector3(); + const _tempC = new Vector3(); + + const _morphA = new Vector3(); + const _morphB = new Vector3(); + const _morphC = new Vector3(); + + function _calculateMorphedAttributeData( + object, + material, + attribute, + morphAttribute, + morphTargetsRelative, + a, + b, + c, + modifiedAttributeArray + ) { + + _vA.fromBufferAttribute( attribute, a ); + _vB.fromBufferAttribute( attribute, b ); + _vC.fromBufferAttribute( attribute, c ); + + const morphInfluences = object.morphTargetInfluences; + + if ( material.morphTargets && morphAttribute && morphInfluences ) { + + _morphA.set( 0, 0, 0 ); + _morphB.set( 0, 0, 0 ); + _morphC.set( 0, 0, 0 ); + + for ( let i = 0, il = morphAttribute.length; i < il; i ++ ) { + + const influence = morphInfluences[ i ]; + const morph = morphAttribute[ i ]; + + if ( influence === 0 ) continue; + + _tempA.fromBufferAttribute( morph, a ); + _tempB.fromBufferAttribute( morph, b ); + _tempC.fromBufferAttribute( morph, c ); + + if ( morphTargetsRelative ) { + + _morphA.addScaledVector( _tempA, influence ); + _morphB.addScaledVector( _tempB, influence ); + _morphC.addScaledVector( _tempC, influence ); + + } else { + + _morphA.addScaledVector( _tempA.sub( _vA ), influence ); + _morphB.addScaledVector( _tempB.sub( _vB ), influence ); + _morphC.addScaledVector( _tempC.sub( _vC ), influence ); + + } + + } + + _vA.add( _morphA ); + _vB.add( _morphB ); + _vC.add( _morphC ); + + } + + if ( object.isSkinnedMesh ) { + + object.boneTransform( a, _vA ); + object.boneTransform( b, _vB ); + object.boneTransform( c, _vC ); + + } + + modifiedAttributeArray[ a * 3 + 0 ] = _vA.x; + modifiedAttributeArray[ a * 3 + 1 ] = _vA.y; + modifiedAttributeArray[ a * 3 + 2 ] = _vA.z; + modifiedAttributeArray[ b * 3 + 0 ] = _vB.x; + modifiedAttributeArray[ b * 3 + 1 ] = _vB.y; + modifiedAttributeArray[ b * 3 + 2 ] = _vB.z; + modifiedAttributeArray[ c * 3 + 0 ] = _vC.x; + modifiedAttributeArray[ c * 3 + 1 ] = _vC.y; + modifiedAttributeArray[ c * 3 + 2 ] = _vC.z; + + } + + const geometry = object.geometry; + const material = object.material; + + let a, b, c; + const index = geometry.index; + const positionAttribute = geometry.attributes.position; + const morphPosition = geometry.morphAttributes.position; + const morphTargetsRelative = geometry.morphTargetsRelative; + const normalAttribute = geometry.attributes.normal; + const morphNormal = geometry.morphAttributes.position; + + const groups = geometry.groups; + const drawRange = geometry.drawRange; + let i, j, il, jl; + let group, groupMaterial; + let start, end; + + const modifiedPosition = new Float32Array( positionAttribute.count * positionAttribute.itemSize ); + const modifiedNormal = new Float32Array( normalAttribute.count * normalAttribute.itemSize ); + + if ( index !== null ) { + + // indexed buffer geometry + + if ( Array.isArray( material ) ) { + + for ( i = 0, il = groups.length; i < il; i ++ ) { + + group = groups[ i ]; + groupMaterial = material[ group.materialIndex ]; + + start = Math.max( group.start, drawRange.start ); + end = Math.min( ( group.start + group.count ), ( drawRange.start + drawRange.count ) ); + + for ( j = start, jl = end; j < jl; j += 3 ) { + + a = index.getX( j ); + b = index.getX( j + 1 ); + c = index.getX( j + 2 ); + + _calculateMorphedAttributeData( + object, + groupMaterial, + positionAttribute, + morphPosition, + morphTargetsRelative, + a, b, c, + modifiedPosition + ); + + _calculateMorphedAttributeData( + object, + groupMaterial, + normalAttribute, + morphNormal, + morphTargetsRelative, + a, b, c, + modifiedNormal + ); + + } + + } + + } else { + + start = Math.max( 0, drawRange.start ); + end = Math.min( index.count, ( drawRange.start + drawRange.count ) ); + + for ( i = start, il = end; i < il; i += 3 ) { + + a = index.getX( i ); + b = index.getX( i + 1 ); + c = index.getX( i + 2 ); + + _calculateMorphedAttributeData( + object, + material, + positionAttribute, + morphPosition, + morphTargetsRelative, + a, b, c, + modifiedPosition + ); + + _calculateMorphedAttributeData( + object, + material, + normalAttribute, + morphNormal, + morphTargetsRelative, + a, b, c, + modifiedNormal + ); + + } + + } + + } else if ( positionAttribute !== undefined ) { + + // non-indexed buffer geometry + + if ( Array.isArray( material ) ) { + + for ( i = 0, il = groups.length; i < il; i ++ ) { + + group = groups[ i ]; + groupMaterial = material[ group.materialIndex ]; + + start = Math.max( group.start, drawRange.start ); + end = Math.min( ( group.start + group.count ), ( drawRange.start + drawRange.count ) ); + + for ( j = start, jl = end; j < jl; j += 3 ) { + + a = j; + b = j + 1; + c = j + 2; + + _calculateMorphedAttributeData( + object, + groupMaterial, + positionAttribute, + morphPosition, + morphTargetsRelative, + a, b, c, + modifiedPosition + ); + + _calculateMorphedAttributeData( + object, + groupMaterial, + normalAttribute, + morphNormal, + morphTargetsRelative, + a, b, c, + modifiedNormal + ); + + } + + } + + } else { + + start = Math.max( 0, drawRange.start ); + end = Math.min( positionAttribute.count, ( drawRange.start + drawRange.count ) ); + + for ( i = start, il = end; i < il; i += 3 ) { + + a = i; + b = i + 1; + c = i + 2; + + _calculateMorphedAttributeData( + object, + material, + positionAttribute, + morphPosition, + morphTargetsRelative, + a, b, c, + modifiedPosition + ); + + _calculateMorphedAttributeData( + object, + material, + normalAttribute, + morphNormal, + morphTargetsRelative, + a, b, c, + modifiedNormal + ); + + } + + } + + } + + const morphedPositionAttribute = new Float32BufferAttribute( modifiedPosition, 3 ); + const morphedNormalAttribute = new Float32BufferAttribute( modifiedNormal, 3 ); + + return { + + positionAttribute: positionAttribute, + normalAttribute: normalAttribute, + morphedPositionAttribute: morphedPositionAttribute, + morphedNormalAttribute: morphedNormalAttribute + + }; + +} + + + +export { + computeTangents, + mergeBufferGeometries, + mergeBufferAttributes, + interleaveAttributes, + estimateBytesUsed, + mergeVertices, + toTrianglesDrawMode, + computeMorphedAttributes, +}; diff --git a/views/index.html b/views/index.html index 5226fa4..e812237 100644 --- a/views/index.html +++ b/views/index.html @@ -17,7 +17,7 @@ <script type="text/javascript" src="../static/js/object/Store.js"></script> <script type="text/javascript" src="../static/js/object/StoreGroup.js"></script> <script type="text/javascript" src="../static/js/object/StoreCrn.js"></script> - <script type="text/javascript" src="../static/js/object/StoreShelf.js"></script> +<!-- <script type="text/javascript" src="../static/js/object/StoreShelf.js"></script>--> <script type="text/javascript" src="../static/js/object/StoreGoods.js"></script> <script type="text/javascript" src="../static/js/object/Route.js"></script> <script type="text/javascript" src="../static/js/object/RouteLine.js"></script> -- Gitblit v1.9.1