speice.io/blog/2024-11-15-playing-with-fire/1-introduction/GasketWeighted.tsx

49 lines
1.8 KiB
TypeScript

import {useEffect, useState, useContext, useRef} from "react";
import {PainterContext} from "../src/Canvas";
import {chaosGameWeighted} from "./chaosGameWeighted";
import TeX from '@matejmazur/react-katex';
import styles from "../src/css/styles.module.css"
type Transform = (x: number, y: number) => [number, number];
export default function GasketWeighted() {
const [f0Weight, setF0Weight] = useState<number>(1);
const [f1Weight, setF1Weight] = useState<number>(1);
const [f2Weight, setF2Weight] = useState<number>(1);
const f0: Transform = (x, y) => [x / 2, y / 2];
const f1: Transform = (x, y) => [(x + 1) / 2, y / 2];
const f2: Transform = (x, y) => [x / 2, (y + 1) / 2];
const {width, height, setPainter} = useContext(PainterContext);
useEffect(() => {
const transforms: [number, Transform][] = [
[f0Weight, f0],
[f1Weight, f1],
[f2Weight, f2]
];
setPainter(chaosGameWeighted({width, height, transforms}));
}, [f0Weight, f1Weight, f2Weight]);
const weightInput = (title, weight, setWeight) => (
<>
<div className={styles.inputElement}>
<p><TeX>{title}</TeX>: {weight}</p>
<input type={'range'} min={0} max={1} step={.01} style={{width: '100%', background: 'transparent'}} value={weight}
onInput={e => setWeight(Number(e.currentTarget.value))}/>
</div>
</>
)
return (
<>
<div className={styles.inputGroup} style={{display: 'grid', gridTemplateColumns: '1fr 1fr 1fr'}}>
{weightInput("F_0", f0Weight, setF0Weight)}
{weightInput("F_1", f1Weight, setF1Weight)}
{weightInput("F_2", f2Weight, setF2Weight)}
</div>
</>
)
}