Vector.js

Vector is an open source javascript library for creating interactive graphics. View the repository, browse the API, run the tests, or meet the team.

Quadratic Bezier Curve Open in Sandbox

Description

This interactive demonstrates a quadratic bezier curve.

Script

/**
* @title Quadratic Bezier Curve
* @description This interactive demonstrates a quadratic bezier curve.
* @tags [math]
*/
import { Interactive, getScriptName } from '../../index.js';
let interactive = new Interactive(getScriptName());
interactive.border = true;
let l1 = interactive.line(0, 0, 0, 0);
let l2 = interactive.line(0, 0, 0, 0);
l1.stroke = 'cornflowerblue';
l2.stroke = 'cornflowerblue';
let path = interactive.path('');
path.classList.add('default');
let c1 = interactive.control(150, 100);
let c2 = interactive.control(300, 200);
let c3 = interactive.control(450, 100);
path.update = function () {
    path.d = `M ${c1.x} ${c1.y} Q ${c2.x} ${c2.y} ${c3.x} ${c3.y}`;
};
path.update();
path.addDependency(c1);
path.addDependency(c2);
path.addDependency(c3);
l1.update = function () {
    this.x1 = c1.x;
    this.y1 = c1.y;
    this.x2 = c2.x;
    this.y2 = c2.y;
};
l1.update();
l1.addDependency(c1);
l1.addDependency(c2);
l2.update = function () {
    this.x1 = c2.x;
    this.y1 = c2.y;
    this.x2 = c3.x;
    this.y2 = c3.y;
};
l2.update();
l2.addDependency(c2);
l2.addDependency(c3);
//# sourceMappingURL=bezier-curve-quadratic.js.map