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.
88 lines
1.6 KiB
88 lines
1.6 KiB
2 years ago
|
import { LineSegmentsGeometry } from '../lines/LineSegmentsGeometry.js';
|
||
|
|
|
||
|
|
class LineGeometry extends LineSegmentsGeometry {
|
||
|
|
|
||
|
|
constructor() {
|
||
|
|
|
||
|
|
super();
|
||
|
|
this.type = 'LineGeometry';
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
setPositions( array ) {
|
||
|
|
|
||
|
|
// converts [ x1, y1, z1, x2, y2, z2, ... ] to pairs format
|
||
|
|
|
||
|
|
var length = array.length - 3;
|
||
|
|
var points = new Float32Array( 2 * length );
|
||
|
|
|
||
|
|
for ( var i = 0; i < length; i += 3 ) {
|
||
|
|
|
||
|
|
points[ 2 * i ] = array[ i ];
|
||
|
|
points[ 2 * i + 1 ] = array[ i + 1 ];
|
||
|
|
points[ 2 * i + 2 ] = array[ i + 2 ];
|
||
|
|
|
||
|
|
points[ 2 * i + 3 ] = array[ i + 3 ];
|
||
|
|
points[ 2 * i + 4 ] = array[ i + 4 ];
|
||
|
|
points[ 2 * i + 5 ] = array[ i + 5 ];
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
super.setPositions( points );
|
||
|
|
|
||
|
|
return this;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
setColors( array ) {
|
||
|
|
|
||
|
|
// converts [ r1, g1, b1, r2, g2, b2, ... ] to pairs format
|
||
|
|
|
||
|
|
var length = array.length - 3;
|
||
|
|
var colors = new Float32Array( 2 * length );
|
||
|
|
|
||
|
|
for ( var i = 0; i < length; i += 3 ) {
|
||
|
|
|
||
|
|
colors[ 2 * i ] = array[ i ];
|
||
|
|
colors[ 2 * i + 1 ] = array[ i + 1 ];
|
||
|
|
colors[ 2 * i + 2 ] = array[ i + 2 ];
|
||
|
|
|
||
|
|
colors[ 2 * i + 3 ] = array[ i + 3 ];
|
||
|
|
colors[ 2 * i + 4 ] = array[ i + 4 ];
|
||
|
|
colors[ 2 * i + 5 ] = array[ i + 5 ];
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
super.setColors( colors );
|
||
|
|
|
||
|
|
return this;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
fromLine( line ) {
|
||
|
|
|
||
|
|
var geometry = line.geometry;
|
||
|
|
|
||
|
|
if ( geometry.isGeometry ) {
|
||
|
|
|
||
|
|
console.error( 'THREE.LineGeometry no longer supports Geometry. Use THREE.BufferGeometry instead.' );
|
||
|
|
return;
|
||
|
|
|
||
|
|
} else if ( geometry.isBufferGeometry ) {
|
||
|
|
|
||
|
|
this.setPositions( geometry.attributes.position.array ); // assumes non-indexed
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
// set colors, maybe
|
||
|
|
|
||
|
|
return this;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
LineGeometry.prototype.isLineGeometry = true;
|
||
|
|
|
||
|
|
export { LineGeometry };
|