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LOD.js	3.1 KB	-rw-r--r--
Line.js	5.6 KB	-rw-r--r--
LineLoop.js	218 B	-rw-r--r--
LineSegments.js	1.22 KB	-rw-r--r--
Mesh.js	10.32 KB	-rw-r--r--
Points.js	3.9 KB	-rw-r--r--
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Code Editor : Points.js

import { Sphere } from '../math/Sphere.js';
import { Ray } from '../math/Ray.js';
import { Matrix4 } from '../math/Matrix4.js';
import { Object3D } from '../core/Object3D.js';
import { Vector3 } from '../math/Vector3.js';
import { PointsMaterial } from '../materials/PointsMaterial.js';
import { BufferGeometry } from '../core/BufferGeometry.js';

const _inverseMatrix = /*@__PURE__*/ new Matrix4();
const _ray = /*@__PURE__*/ new Ray();
const _sphere = /*@__PURE__*/ new Sphere();
const _position = /*@__PURE__*/ new Vector3();

class Points extends Object3D {

constructor( geometry = new BufferGeometry(), material = new PointsMaterial() ) {

super();

this.isPoints = true;

this.type = 'Points';

this.geometry = geometry;
		this.material = material;

this.updateMorphTargets();

}

copy( source, recursive ) {

super.copy( source, recursive );

this.material = Array.isArray( source.material ) ? source.material.slice() : source.material;
		this.geometry = source.geometry;

return this;

}

raycast( raycaster, intersects ) {

const geometry = this.geometry;
		const matrixWorld = this.matrixWorld;
		const threshold = raycaster.params.Points.threshold;
		const drawRange = geometry.drawRange;

// Checking boundingSphere distance to ray

if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere();

_sphere.copy( geometry.boundingSphere );
		_sphere.applyMatrix4( matrixWorld );
		_sphere.radius += threshold;

if ( raycaster.ray.intersectsSphere( _sphere ) === false ) return;

_inverseMatrix.copy( matrixWorld ).invert();
		_ray.copy( raycaster.ray ).applyMatrix4( _inverseMatrix );

const localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 );
		const localThresholdSq = localThreshold * localThreshold;

const index = geometry.index;
		const attributes = geometry.attributes;
		const positionAttribute = attributes.position;

if ( index !== null ) {

const start = Math.max( 0, drawRange.start );
			const end = Math.min( index.count, ( drawRange.start + drawRange.count ) );

for ( let i = start, il = end; i < il; i ++ ) {

const a = index.getX( i );

_position.fromBufferAttribute( positionAttribute, a );

testPoint( _position, a, localThresholdSq, matrixWorld, raycaster, intersects, this );

}

} else {

const start = Math.max( 0, drawRange.start );
			const end = Math.min( positionAttribute.count, ( drawRange.start + drawRange.count ) );

for ( let i = start, l = end; i < l; i ++ ) {

_position.fromBufferAttribute( positionAttribute, i );

testPoint( _position, i, localThresholdSq, matrixWorld, raycaster, intersects, this );

}

updateMorphTargets() {

const geometry = this.geometry;

const morphAttributes = geometry.morphAttributes;
		const keys = Object.keys( morphAttributes );

if ( keys.length > 0 ) {

const morphAttribute = morphAttributes[ keys[ 0 ] ];

if ( morphAttribute !== undefined ) {

this.morphTargetInfluences = [];
				this.morphTargetDictionary = {};

for ( let m = 0, ml = morphAttribute.length; m < ml; m ++ ) {

const name = morphAttribute[ m ].name || String( m );

this.morphTargetInfluences.push( 0 );
					this.morphTargetDictionary[ name ] = m;

}

function testPoint( point, index, localThresholdSq, matrixWorld, raycaster, intersects, object ) {

const rayPointDistanceSq = _ray.distanceSqToPoint( point );

if ( rayPointDistanceSq < localThresholdSq ) {

const intersectPoint = new Vector3();

_ray.closestPointToPoint( point, intersectPoint );
		intersectPoint.applyMatrix4( matrixWorld );

const distance = raycaster.ray.origin.distanceTo( intersectPoint );

if ( distance < raycaster.near || distance > raycaster.far ) return;

intersects.push( {

distance: distance,
			distanceToRay: Math.sqrt( rayPointDistanceSq ),
			point: intersectPoint,
			index: index,
			face: null,
			object: object

} );

}

export { Points };

${this.title}

Code Editor : Points.js