81 lines
1.6 KiB
JavaScript
81 lines
1.6 KiB
JavaScript
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import { Curve } from '../core/Curve.js';
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import { CubicBezier } from '../core/Interpolations.js';
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import { Vector3 } from '../../math/Vector3.js';
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function CubicBezierCurve3( v0, v1, v2, v3 ) {
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Curve.call( this );
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this.type = 'CubicBezierCurve3';
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this.v0 = v0 || new Vector3();
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this.v1 = v1 || new Vector3();
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this.v2 = v2 || new Vector3();
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this.v3 = v3 || new Vector3();
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}
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CubicBezierCurve3.prototype = Object.create( Curve.prototype );
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CubicBezierCurve3.prototype.constructor = CubicBezierCurve3;
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CubicBezierCurve3.prototype.isCubicBezierCurve3 = true;
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CubicBezierCurve3.prototype.getPoint = function ( t, optionalTarget ) {
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var point = optionalTarget || new Vector3();
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var v0 = this.v0, v1 = this.v1, v2 = this.v2, v3 = this.v3;
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point.set(
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CubicBezier( t, v0.x, v1.x, v2.x, v3.x ),
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CubicBezier( t, v0.y, v1.y, v2.y, v3.y ),
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CubicBezier( t, v0.z, v1.z, v2.z, v3.z )
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);
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return point;
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};
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CubicBezierCurve3.prototype.copy = function ( source ) {
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Curve.prototype.copy.call( this, source );
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this.v0.copy( source.v0 );
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this.v1.copy( source.v1 );
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this.v2.copy( source.v2 );
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this.v3.copy( source.v3 );
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return this;
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};
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CubicBezierCurve3.prototype.toJSON = function () {
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var data = Curve.prototype.toJSON.call( this );
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data.v0 = this.v0.toArray();
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data.v1 = this.v1.toArray();
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data.v2 = this.v2.toArray();
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data.v3 = this.v3.toArray();
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return data;
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};
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CubicBezierCurve3.prototype.fromJSON = function ( json ) {
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Curve.prototype.fromJSON.call( this, json );
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this.v0.fromArray( json.v0 );
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this.v1.fromArray( json.v1 );
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this.v2.fromArray( json.v2 );
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this.v3.fromArray( json.v3 );
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return this;
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};
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export { CubicBezierCurve3 };
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