You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
101 lines
1.8 KiB
101 lines
1.8 KiB
2 years ago
|
import {
|
||
|
|
BufferGeometry,
|
||
|
|
FileLoader,
|
||
|
|
Float32BufferAttribute,
|
||
|
|
Loader
|
||
|
|
} from '../../../build/three.module.js';
|
||
|
|
|
||
|
|
class XYZLoader extends Loader {
|
||
|
|
|
||
|
|
load( url, onLoad, onProgress, onError ) {
|
||
|
|
|
||
|
|
const scope = this;
|
||
|
|
|
||
|
|
const loader = new FileLoader( this.manager );
|
||
|
|
loader.setPath( this.path );
|
||
|
|
loader.setRequestHeader( this.requestHeader );
|
||
|
|
loader.setWithCredentials( this.withCredentials );
|
||
|
|
loader.load( url, function ( text ) {
|
||
|
|
|
||
|
|
try {
|
||
|
|
|
||
|
|
onLoad( scope.parse( text ) );
|
||
|
|
|
||
|
|
} catch ( e ) {
|
||
|
|
|
||
|
|
if ( onError ) {
|
||
|
|
|
||
|
|
onError( e );
|
||
|
|
|
||
|
|
} else {
|
||
|
|
|
||
|
|
console.error( e );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
scope.manager.itemError( url );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}, onProgress, onError );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
parse( text ) {
|
||
|
|
|
||
|
|
const lines = text.split( '\n' );
|
||
|
|
|
||
|
|
const vertices = [];
|
||
|
|
const colors = [];
|
||
|
|
|
||
|
|
for ( let line of lines ) {
|
||
|
|
|
||
|
|
line = line.trim();
|
||
|
|
|
||
|
|
if ( line.charAt( 0 ) === '#' ) continue; // skip comments
|
||
|
|
|
||
|
|
const lineValues = line.split( /\s+/ );
|
||
|
|
|
||
|
|
if ( lineValues.length === 3 ) {
|
||
|
|
|
||
|
|
// XYZ
|
||
|
|
|
||
|
|
vertices.push( parseFloat( lineValues[ 0 ] ) );
|
||
|
|
vertices.push( parseFloat( lineValues[ 1 ] ) );
|
||
|
|
vertices.push( parseFloat( lineValues[ 2 ] ) );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( lineValues.length === 6 ) {
|
||
|
|
|
||
|
|
// XYZRGB
|
||
|
|
|
||
|
|
vertices.push( parseFloat( lineValues[ 0 ] ) );
|
||
|
|
vertices.push( parseFloat( lineValues[ 1 ] ) );
|
||
|
|
vertices.push( parseFloat( lineValues[ 2 ] ) );
|
||
|
|
|
||
|
|
colors.push( parseFloat( lineValues[ 3 ] ) / 255 );
|
||
|
|
colors.push( parseFloat( lineValues[ 4 ] ) / 255 );
|
||
|
|
colors.push( parseFloat( lineValues[ 5 ] ) / 255 );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
const geometry = new BufferGeometry();
|
||
|
|
geometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );
|
||
|
|
|
||
|
|
if ( colors.length > 0 ) {
|
||
|
|
|
||
|
|
geometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
return geometry;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
export { XYZLoader };
|