Old version of OBJLoader so we can keep the vertices merged
This commit is contained in:
Thomas FORGIONE
parent
ab0396ae6f
commit
1101c74132
@ -22,156 +22,139 @@ THREE.OBJLoader.prototype = {
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onLoad( scope.parse( text ) );
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}, onProgress, onError );
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} );
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},
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parse: function ( text ) {
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console.time( 'OBJLoader' );
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function vector( x, y, z ) {
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var object, objects = [];
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var geometry, material;
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function parseVertexIndex( value ) {
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var index = parseInt( value );
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return ( index >= 0 ? index - 1 : index + vertices.length / 3 ) * 3;
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return new THREE.Vector3( parseFloat( x ), parseFloat( y ), parseFloat( z ) );
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}
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function parseNormalIndex( value ) {
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function uv( u, v ) {
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var index = parseInt( value );
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return ( index >= 0 ? index - 1 : index + normals.length / 3 ) * 3;
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return new THREE.Vector2( parseFloat( u ), parseFloat( v ) );
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}
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function parseUVIndex( value ) {
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function face3( a, b, c, normals ) {
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var index = parseInt( value );
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return new THREE.Face3( a, b, c, normals );
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return ( index >= 0 ? index - 1 : index + uvs.length / 2 ) * 2;
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}
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var object = new THREE.Object3D();
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var geometry, material, mesh;
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function parseVertexIndex( index ) {
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index = parseInt( index );
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return index >= 0 ? index - 1 : index + vertices.length;
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}
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function addVertex( a, b, c ) {
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function parseNormalIndex( index ) {
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geometry.vertices.push(
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vertices[ a ], vertices[ a + 1 ], vertices[ a + 2 ],
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vertices[ b ], vertices[ b + 1 ], vertices[ b + 2 ],
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vertices[ c ], vertices[ c + 1 ], vertices[ c + 2 ]
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);
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index = parseInt( index );
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return index >= 0 ? index - 1 : index + normals.length;
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}
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function addNormal( a, b, c ) {
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function parseUVIndex( index ) {
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geometry.normals.push(
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normals[ a ], normals[ a + 1 ], normals[ a + 2 ],
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normals[ b ], normals[ b + 1 ], normals[ b + 2 ],
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normals[ c ], normals[ c + 1 ], normals[ c + 2 ]
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);
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index = parseInt( index );
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return index >= 0 ? index - 1 : index + uvs.length;
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}
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function add_face( a, b, c, normals_inds ) {
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function addUV( a, b, c ) {
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if ( normals_inds === undefined ) {
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geometry.uvs.push(
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uvs[ a ], uvs[ a + 1 ],
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uvs[ b ], uvs[ b + 1 ],
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uvs[ c ], uvs[ c + 1 ]
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);
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}
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function addFace( a, b, c, d, ua, ub, uc, ud, na, nb, nc, nd ) {
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var ia = parseVertexIndex( a );
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var ib = parseVertexIndex( b );
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var ic = parseVertexIndex( c );
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var id;
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if ( d === undefined ) {
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addVertex( ia, ib, ic );
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geometry.faces.push( face3(
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vertices[ parseVertexIndex( a ) ] - 1,
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vertices[ parseVertexIndex( b ) ] - 1,
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vertices[ parseVertexIndex( c ) ] - 1
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) );
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} else {
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id = parseVertexIndex( d );
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addVertex( ia, ib, id );
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addVertex( ib, ic, id );
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geometry.faces.push( face3(
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vertices[ parseVertexIndex( a ) ] - 1,
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vertices[ parseVertexIndex( b ) ] - 1,
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vertices[ parseVertexIndex( c ) ] - 1,
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[
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normals[ parseNormalIndex( normals_inds[ 0 ] ) ].clone(),
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normals[ parseNormalIndex( normals_inds[ 1 ] ) ].clone(),
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normals[ parseNormalIndex( normals_inds[ 2 ] ) ].clone()
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]
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) );
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}
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if ( ua !== undefined ) {
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}
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function add_uvs( a, b, c ) {
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geometry.faceVertexUvs[ 0 ].push( [
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uvs[ parseUVIndex( a ) ].clone(),
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uvs[ parseUVIndex( b ) ].clone(),
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uvs[ parseUVIndex( c ) ].clone()
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] );
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ia = parseUVIndex( ua );
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ib = parseUVIndex( ub );
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ic = parseUVIndex( uc );
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}
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function handle_face_line(faces, uvs, normals_inds) {
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if ( d === undefined ) {
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if ( faces[ 3 ] === undefined ) {
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add_face( faces[ 0 ], faces[ 1 ], faces[ 2 ], normals_inds );
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if ( uvs !== undefined && uvs.length > 0 ) {
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addUV( ia, ib, ic );
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add_uvs( uvs[ 0 ], uvs[ 1 ], uvs[ 2 ] );
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}
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} else {
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if ( normals_inds !== undefined && normals_inds.length > 0 ) {
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add_face( faces[ 0 ], faces[ 1 ], faces[ 3 ], [ normals_inds[ 0 ], normals_inds[ 1 ], normals_inds[ 3 ] ] );
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add_face( faces[ 1 ], faces[ 2 ], faces[ 3 ], [ normals_inds[ 1 ], normals_inds[ 2 ], normals_inds[ 3 ] ] );
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} else {
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id = parseUVIndex( ud );
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add_face( faces[ 0 ], faces[ 1 ], faces[ 3 ] );
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add_face( faces[ 1 ], faces[ 2 ], faces[ 3 ] );
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addUV( ia, ib, id );
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addUV( ib, ic, id );
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}
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if ( uvs !== undefined && uvs.length > 0 ) {
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add_uvs( uvs[ 0 ], uvs[ 1 ], uvs[ 3 ] );
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add_uvs( uvs[ 1 ], uvs[ 2 ], uvs[ 3 ] );
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}
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}
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if ( na !== undefined ) {
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ia = parseNormalIndex( na );
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ib = parseNormalIndex( nb );
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ic = parseNormalIndex( nc );
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if ( d === undefined ) {
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addNormal( ia, ib, ic );
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} else {
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id = parseNormalIndex( nd );
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addNormal( ia, ib, id );
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addNormal( ib, ic, id );
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}
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}
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}
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// create mesh if no objects in text
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if ( /^o /gm.test( text ) === false ) {
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geometry = {
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vertices: [],
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normals: [],
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uvs: []
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};
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material = {
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name: ''
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};
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object = {
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name: '',
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geometry: geometry,
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material: material
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};
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objects.push( object );
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geometry = new THREE.Geometry();
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material = new THREE.MeshLambertMaterial();
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mesh = new THREE.Mesh( geometry, material );
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object.add( mesh );
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}
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@ -181,15 +164,15 @@ THREE.OBJLoader.prototype = {
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// v float float float
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var vertex_pattern = /v( +[\d|\.|\+|\-|e|E]+)( +[\d|\.|\+|\-|e|E]+)( +[\d|\.|\+|\-|e|E]+)/;
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var vertex_pattern = /v( +[\d|\.|\+|\-|e]+)( +[\d|\.|\+|\-|e]+)( +[\d|\.|\+|\-|e]+)/;
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// vn float float float
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var normal_pattern = /vn( +[\d|\.|\+|\-|e|E]+)( +[\d|\.|\+|\-|e|E]+)( +[\d|\.|\+|\-|e|E]+)/;
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var normal_pattern = /vn( +[\d|\.|\+|\-|e]+)( +[\d|\.|\+|\-|e]+)( +[\d|\.|\+|\-|e]+)/;
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// vt float float
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var uv_pattern = /vt( +[\d|\.|\+|\-|e|E]+)( +[\d|\.|\+|\-|e|E]+)/;
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var uv_pattern = /vt( +[\d|\.|\+|\-|e]+)( +[\d|\.|\+|\-|e]+)/;
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// f vertex vertex vertex ...
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@ -203,11 +186,13 @@ THREE.OBJLoader.prototype = {
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var face_pattern3 = /f( +(-?\d+)\/(-?\d+)\/(-?\d+))( +(-?\d+)\/(-?\d+)\/(-?\d+))( +(-?\d+)\/(-?\d+)\/(-?\d+))( +(-?\d+)\/(-?\d+)\/(-?\d+))?/;
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// f vertex//normal vertex//normal vertex//normal ...
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// f vertex//normal vertex//normal vertex//normal ...
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var face_pattern4 = /f( +(-?\d+)\/\/(-?\d+))( +(-?\d+)\/\/(-?\d+))( +(-?\d+)\/\/(-?\d+))( +(-?\d+)\/\/(-?\d+))?/
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//
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// fixes
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text = text.replace( /\\\r?\n/g, '' ); // handles line continuations \
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var lines = text.split( '\n' );
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@ -226,10 +211,12 @@ THREE.OBJLoader.prototype = {
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// ["v 1.0 2.0 3.0", "1.0", "2.0", "3.0"]
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vertices.push(
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parseFloat( result[ 1 ] ),
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parseFloat( result[ 2 ] ),
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parseFloat( result[ 3 ] )
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vertices.push(
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geometry.vertices.push(
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vector(
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result[ 1 ], result[ 2 ], result[ 3 ]
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)
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)
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);
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} else if ( ( result = normal_pattern.exec( line ) ) !== null ) {
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@ -237,9 +224,9 @@ THREE.OBJLoader.prototype = {
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// ["vn 1.0 2.0 3.0", "1.0", "2.0", "3.0"]
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normals.push(
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parseFloat( result[ 1 ] ),
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parseFloat( result[ 2 ] ),
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parseFloat( result[ 3 ] )
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vector(
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result[ 1 ], result[ 2 ], result[ 3 ]
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)
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);
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} else if ( ( result = uv_pattern.exec( line ) ) !== null ) {
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@ -247,66 +234,56 @@ THREE.OBJLoader.prototype = {
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// ["vt 0.1 0.2", "0.1", "0.2"]
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uvs.push(
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parseFloat( result[ 1 ] ),
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parseFloat( result[ 2 ] )
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uv(
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result[ 1 ], result[ 2 ]
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)
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);
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} else if ( ( result = face_pattern1.exec( line ) ) !== null ) {
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// ["f 1 2 3", "1", "2", "3", undefined]
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addFace(
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result[ 1 ], result[ 2 ], result[ 3 ], result[ 4 ]
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handle_face_line(
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[ result[ 1 ], result[ 2 ], result[ 3 ], result[ 4 ] ]
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);
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} else if ( ( result = face_pattern2.exec( line ) ) !== null ) {
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// ["f 1/1 2/2 3/3", " 1/1", "1", "1", " 2/2", "2", "2", " 3/3", "3", "3", undefined, undefined, undefined]
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addFace(
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result[ 2 ], result[ 5 ], result[ 8 ], result[ 11 ],
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result[ 3 ], result[ 6 ], result[ 9 ], result[ 12 ]
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handle_face_line(
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[ result[ 2 ], result[ 5 ], result[ 8 ], result[ 11 ] ], //faces
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[ result[ 3 ], result[ 6 ], result[ 9 ], result[ 12 ] ] //uv
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);
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} else if ( ( result = face_pattern3.exec( line ) ) !== null ) {
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// ["f 1/1/1 2/2/2 3/3/3", " 1/1/1", "1", "1", "1", " 2/2/2", "2", "2", "2", " 3/3/3", "3", "3", "3", undefined, undefined, undefined, undefined]
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addFace(
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result[ 2 ], result[ 6 ], result[ 10 ], result[ 14 ],
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result[ 3 ], result[ 7 ], result[ 11 ], result[ 15 ],
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result[ 4 ], result[ 8 ], result[ 12 ], result[ 16 ]
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handle_face_line(
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[ result[ 2 ], result[ 6 ], result[ 10 ], result[ 14 ] ], //faces
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[ result[ 3 ], result[ 7 ], result[ 11 ], result[ 15 ] ], //uv
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[ result[ 4 ], result[ 8 ], result[ 12 ], result[ 16 ] ] //normal
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);
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} else if ( ( result = face_pattern4.exec( line ) ) !== null ) {
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// ["f 1//1 2//2 3//3", " 1//1", "1", "1", " 2//2", "2", "2", " 3//3", "3", "3", undefined, undefined, undefined]
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addFace(
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result[ 2 ], result[ 5 ], result[ 8 ], result[ 11 ],
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undefined, undefined, undefined, undefined,
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result[ 3 ], result[ 6 ], result[ 9 ], result[ 12 ]
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handle_face_line(
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[ result[ 2 ], result[ 5 ], result[ 8 ], result[ 11 ] ], //faces
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[ ], //uv
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[ result[ 3 ], result[ 6 ], result[ 9 ], result[ 12 ] ] //normal
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);
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} else if ( /^o /.test( line ) ) {
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geometry = {
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vertices: [],
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normals: [],
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uvs: []
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};
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geometry = new THREE.Geometry();
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material = new THREE.MeshLambertMaterial();
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material = {
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name: ''
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};
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object = {
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name: line.substring( 2 ).trim(),
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geometry: geometry,
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material: material
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};
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objects.push( object )
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mesh = new THREE.Mesh( geometry, material );
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mesh.name = line.substring( 2 ).trim();
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object.add( mesh );
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} else if ( /^g /.test( line ) ) {
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@ -334,38 +311,18 @@ THREE.OBJLoader.prototype = {
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}
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var container = new THREE.Object3D();
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var children = object.children;
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for ( var i = 0, l = objects.length; i < l; i ++ ) {
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for ( var i = 0, l = children.length; i < l; i ++ ) {
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object = objects[ i ];
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geometry = object.geometry;
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var geometry = children[ i ].geometry;
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var buffergeometry = new THREE.BufferGeometry();
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buffergeometry.addAttribute( 'position', new THREE.BufferAttribute( new Float32Array( geometry.vertices ), 3 ) );
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if ( geometry.normals.length > 0 ) {
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buffergeometry.addAttribute( 'normal', new THREE.BufferAttribute( new Float32Array( geometry.normals ), 3 ) );
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}
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if ( geometry.uvs.length > 0 ) {
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buffergeometry.addAttribute( 'uv', new THREE.BufferAttribute( new Float32Array( geometry.uvs ), 2 ) );
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}
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material = new THREE.MeshLambertMaterial();
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material.name = object.material.name;
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var mesh = new THREE.Mesh( buffergeometry, material );
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mesh.name = object.name;
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container.add( mesh );
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geometry.computeFaceNormals();
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geometry.computeBoundingSphere();
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}
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console.timeEnd( 'OBJLoader' );
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return container;
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return object;
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}
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Reference in New Issue
Block a user