Something went wrong. Try again.
[READ-ONLY] Mirror of https://github.com/flo-bit/shapecraft. flo-bit.dev/shapecraft
Something went wrong. Try again.
2.5 kB · 113 lines
JavaScript
at commit da69385e
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114import { Box3 } from '../math/Box3.js';import { LineSegments } from '../objects/LineSegments.js';import { LineBasicMaterial } from '../materials/LineBasicMaterial.js';import { BufferAttribute } from '../core/BufferAttribute.js';import { BufferGeometry } from '../core/BufferGeometry.js';
const _box = /*@__PURE__*/ new Box3();
class BoxHelper extends LineSegments {
constructor( object, color = 0xffff00 ) {
const indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] ); const positions = new Float32Array( 8 * 3 );
const geometry = new BufferGeometry(); geometry.setIndex( new BufferAttribute( indices, 1 ) ); geometry.setAttribute( 'position', new BufferAttribute( positions, 3 ) );
super( geometry, new LineBasicMaterial( { color: color, toneMapped: false } ) );
this.object = object; this.type = 'BoxHelper';
this.matrixAutoUpdate = false;
this.update();
}
update( object ) {
if ( object !== undefined ) {
console.warn( 'THREE.BoxHelper: .update() has no longer arguments.' );
}
if ( this.object !== undefined ) {
_box.setFromObject( this.object );
}
if ( _box.isEmpty() ) return;
const min = _box.min; const max = _box.max;
/* 5____4 1/___0/| | 6__|_7 2/___3/
0: max.x, max.y, max.z 1: min.x, max.y, max.z 2: min.x, min.y, max.z 3: max.x, min.y, max.z 4: max.x, max.y, min.z 5: min.x, max.y, min.z 6: min.x, min.y, min.z 7: max.x, min.y, min.z */
const position = this.geometry.attributes.position; const array = position.array;
array[ 0 ] = max.x; array[ 1 ] = max.y; array[ 2 ] = max.z; array[ 3 ] = min.x; array[ 4 ] = max.y; array[ 5 ] = max.z; array[ 6 ] = min.x; array[ 7 ] = min.y; array[ 8 ] = max.z; array[ 9 ] = max.x; array[ 10 ] = min.y; array[ 11 ] = max.z; array[ 12 ] = max.x; array[ 13 ] = max.y; array[ 14 ] = min.z; array[ 15 ] = min.x; array[ 16 ] = max.y; array[ 17 ] = min.z; array[ 18 ] = min.x; array[ 19 ] = min.y; array[ 20 ] = min.z; array[ 21 ] = max.x; array[ 22 ] = min.y; array[ 23 ] = min.z;
position.needsUpdate = true;
this.geometry.computeBoundingSphere();
}
setFromObject( object ) {
this.object = object; this.update();
return this;
}
copy( source, recursive ) {
super.copy( source, recursive );
this.object = source.object;
return this;
}
dispose() {
this.geometry.dispose(); this.material.dispose();
}
}
export { BoxHelper };