toosoon-utils
Version:
Utility functions & classes
53 lines (52 loc) • 1.48 kB
TypeScript
import type { Point } from '../../types';
import Curve from './Curve';
/**
* Utility class for manipulating Quadratic Bézier curves
*
* @exports
* @class QuadraticBezierCurve
* @extends Curve
*/
export default class QuadraticBezierCurve extends Curve {
readonly type: string;
/**
* X-axis coordinate of the start point
*/
x1: number;
/**
* Y-axis coordinate of the start point
*/
y1: number;
/**
* X-axis coordinate of the control point
*/
cpx: number;
/**
* Y-axis coordinate of the control point
*/
cpy: number;
/**
* X-axis coordinate of the end point
*/
x2: number;
/**
* Y-axis coordinate of the end point
*/
y2: number;
/**
* @param {number} x1 X-axis coordinate of the start point
* @param {number} y1 Y-axis coordinate of the start point
* @param {number} cpx X-axis coordinate of the control point
* @param {number} cpy Y-axis coordinate of the control point
* @param {number} x2 X-axis coordinate of the end point
* @param {number} y2 Y-axis coordinate of the end point
*/
constructor(x1: number, y1: number, cpx: number, cpy: number, x2: number, y2: number);
/**
* Interpolate a point on the Quadratic Bézier curve
*
* @param {number} t Normalized time value to interpolate
* @returns {Point} Interpolated coordinates on the curve
*/
getPoint(t: number): Point;
}