import { Curve } from '../core/Curve.js'; import { QuadraticBezier } from '../core/Interpolations.js'; import { Vector3 } from '../../math/Vector3.js'; function QuadraticBezierCurve3( v0, v1, v2 ) { Curve.call( this ); this.type = 'QuadraticBezierCurve3'; this.v0 = v0 || new Vector3(); this.v1 = v1 || new Vector3(); this.v2 = v2 || new Vector3(); } QuadraticBezierCurve3.prototype = Object.create( Curve.prototype ); QuadraticBezierCurve3.prototype.constructor = QuadraticBezierCurve3; QuadraticBezierCurve3.prototype.isQuadraticBezierCurve3 = true; QuadraticBezierCurve3.prototype.getPoint = function ( t, optionalTarget ) { var point = optionalTarget || new Vector3(); var v0 = this.v0, v1 = this.v1, v2 = this.v2; point.set( QuadraticBezier( t, v0.x, v1.x, v2.x ), QuadraticBezier( t, v0.y, v1.y, v2.y ), QuadraticBezier( t, v0.z, v1.z, v2.z ) ); return point; }; QuadraticBezierCurve3.prototype.copy = function ( source ) { Curve.prototype.copy.call( this, source ); this.v0.copy( source.v0 ); this.v1.copy( source.v1 ); this.v2.copy( source.v2 ); return this; }; QuadraticBezierCurve3.prototype.toJSON = function () { var data = Curve.prototype.toJSON.call( this ); data.v0 = this.v0.toArray(); data.v1 = this.v1.toArray(); data.v2 = this.v2.toArray(); return data; }; QuadraticBezierCurve3.prototype.fromJSON = function ( json ) { Curve.prototype.fromJSON.call( this, json ); this.v0.fromArray( json.v0 ); this.v1.fromArray( json.v1 ); this.v2.fromArray( json.v2 ); return this; }; export { QuadraticBezierCurve3 };