init
This commit is contained in:
Simon Gardling
20
www/bootstrap.js
vendored
Normal file
20
www/bootstrap.js
vendored
Normal file
@@ -0,0 +1,20 @@
|
||||
init();
|
||||
|
||||
async function init() {
|
||||
if (typeof process == "object") {
|
||||
const [{Chart}, {main, setup}] = await Promise.all([
|
||||
import("integral_site"),
|
||||
import("./index.js"),
|
||||
]);
|
||||
setup(Chart);
|
||||
main();
|
||||
} else {
|
||||
const [{Chart, default: init}, {main, setup}] = await Promise.all([
|
||||
import("../pkg/integral_site.js"),
|
||||
import("./index.js"),
|
||||
]);
|
||||
await init();
|
||||
setup(Chart);
|
||||
main();
|
||||
}
|
||||
}
|
||||
45
www/index.html
Normal file
45
www/index.html
Normal file
@@ -0,0 +1,45 @@
|
||||
<!DOCTYPE html>
|
||||
<html lang="en">
|
||||
<head>
|
||||
<meta charset="utf-8">
|
||||
<meta name="viewport" content="width=device-width, initial-scale=1">
|
||||
<title>Integral Demonstration</title>
|
||||
<link rel="stylesheet" href="./style.css">
|
||||
</head>
|
||||
<body>
|
||||
<noscript>Please enable Javascript, this page uses both WebAssembly and Javascript to run.</noscript>
|
||||
<script src="./bootstrap.js"></script>
|
||||
<main>
|
||||
<h1>Integral Demonstration</h1>
|
||||
<div id="coord"></div>
|
||||
<canvas id="canvas" width="600" height="400"></canvas>
|
||||
<div id="status">Loading WebAssembly...</div>
|
||||
<div id="control">
|
||||
<label for="math_function">y=</label> <input type="string" id="math_function" value="x^2">
|
||||
<p></p>
|
||||
<label for="minX">MinX: </label> <input type="number" id="minX" value="-10">
|
||||
<p></p>
|
||||
<label for="maxX">MaxX: </label> <input type="number" id="maxX" value="10">
|
||||
<p></p>
|
||||
<label for="minY">MinY: </label> <input type="number" id="minY" value="-10">
|
||||
<p></p>
|
||||
<label for="maxY">MaxY: </label> <input type="number" id="maxY" value="10">
|
||||
<p></p>
|
||||
<label for="num_interval">Interval: </label> <input type="number" id="num_interval" value="100" min="0">
|
||||
<p></p>
|
||||
<label for="resolution">Number of Points </label> <input type="number" id="resolution" value="10000" min="0">
|
||||
<p></p>
|
||||
</div>
|
||||
<div id="area-msg">Area:</div>
|
||||
</main>
|
||||
</body>
|
||||
</html>
|
||||
|
||||
<h3 id="Supported%20Expressions:">Supported Expressions:</h3>
|
||||
|
||||
<ul>
|
||||
<li><p><code>sqrt</code>, <code>abs</code></p></li>
|
||||
<li><p><code>exp</code>, <code>ln</code>, <code>log10</code></p></li>
|
||||
<li><p><code>sin</code>, <code>cos</code>, <code>tan</code>, <code>asin</code>, <code>acos</code>, <code>atan</code>, <code>atan2</code></p></li>
|
||||
<li><p><code>sinh</code>, <code>cosh</code>, <code>tanh</code>, <code>asinh</code>, <code>acosh</code>, <code>atanh</code></p></li>
|
||||
<li><p><code>floor</code>, <code>ceil</code>, <code>round</code></p></li>
|
||||
84
www/index.js
Normal file
84
www/index.js
Normal file
@@ -0,0 +1,84 @@
|
||||
// If you only use `npm` you can simply
|
||||
// import { Chart } from "wasm-demo" and remove `setup` call from `bootstrap.js`.
|
||||
class Chart {}
|
||||
|
||||
const canvas = document.getElementById("canvas");
|
||||
const coord = document.getElementById("coord");
|
||||
const math_function = document.getElementById("math_function");
|
||||
const status = document.getElementById("status");
|
||||
|
||||
const minX = document.getElementById("minX");
|
||||
const maxX = document.getElementById("maxX");
|
||||
const minY = document.getElementById("minY");
|
||||
const maxY = document.getElementById("maxY");
|
||||
const num_interval = document.getElementById("num_interval");
|
||||
const area_msg = document.getElementById("area-msg");
|
||||
const resolution = document.getElementById("resolution");
|
||||
|
||||
let chart = null;
|
||||
|
||||
/** Main entry point */
|
||||
export function main() {
|
||||
setupUI();
|
||||
setupCanvas();
|
||||
}
|
||||
|
||||
/** This function is used in `bootstrap.js` to setup imports. */
|
||||
export function setup(WasmChart) {
|
||||
Chart = WasmChart;
|
||||
}
|
||||
|
||||
/** Add event listeners. */
|
||||
function setupUI() {
|
||||
status.innerText = "WebAssembly loaded!";
|
||||
math_function.addEventListener("change", updatePlot);
|
||||
minX.addEventListener("input", updatePlot);
|
||||
maxX.addEventListener("input", updatePlot);
|
||||
minY.addEventListener("input", updatePlot);
|
||||
maxY.addEventListener("input", updatePlot);
|
||||
num_interval.addEventListener("input", updatePlot);
|
||||
resolution.addEventListener("input", updatePlot);
|
||||
|
||||
window.addEventListener("resize", setupCanvas);
|
||||
window.addEventListener("mousemove", onMouseMove);
|
||||
}
|
||||
|
||||
function setupCanvas() {
|
||||
const aspectRatio = canvas.width / canvas.height;
|
||||
const size = canvas.parentNode.offsetWidth * 0.8;
|
||||
canvas.style.width = size + "px";
|
||||
canvas.style.height = size / aspectRatio + "px";
|
||||
canvas.width = size;
|
||||
canvas.height = size / aspectRatio;
|
||||
updatePlot();
|
||||
}
|
||||
|
||||
function onMouseMove(event) {
|
||||
if (chart) {
|
||||
var text = "Mouse is outside Chart.";
|
||||
|
||||
if(event.target == canvas) {
|
||||
let actualRect = canvas.getBoundingClientRect();
|
||||
let logicX = event.offsetX * canvas.width / actualRect.width;
|
||||
let logicY = event.offsetY * canvas.height / actualRect.height;
|
||||
const point = chart.coord(logicX, logicY);
|
||||
text = (point)
|
||||
? `(${point.x.toFixed(3)}, ${point.y.toFixed(3)})`
|
||||
: text;
|
||||
}
|
||||
coord.innerText = text;
|
||||
}
|
||||
}
|
||||
|
||||
function updatePlot() {
|
||||
status.innerText = `Rendering y=${math_function.value}...`;
|
||||
chart = null;
|
||||
const start = performance.now();
|
||||
|
||||
chart = Chart.draw(canvas, math_function.value, Number(minX.value), Number(maxX.value), Number(minY.value), Number(maxY.value), Number(num_interval.value), Number(resolution.value));
|
||||
const end = performance.now();
|
||||
|
||||
area_msg.innerText = `Estimated Area: ${chart.get_area()}`;
|
||||
|
||||
status.innerText = `Rendered ${math_function.innerText} in ${Math.ceil(end - start)}ms`;
|
||||
}
|
||||
18
www/package.json
Normal file
18
www/package.json
Normal file
@@ -0,0 +1,18 @@
|
||||
{
|
||||
"name": "integral_site",
|
||||
"version": "0.1.0",
|
||||
"main": "index.js",
|
||||
"scripts": {
|
||||
"build": "webpack --config webpack.config.js",
|
||||
"start": "webpack-dev-server"
|
||||
},
|
||||
"dependencies": {
|
||||
"integral_site": "file:../pkg"
|
||||
},
|
||||
"devDependencies": {
|
||||
"webpack": "^4.43.0",
|
||||
"webpack-cli": "^3.3.11",
|
||||
"webpack-dev-server": "^3.10.3",
|
||||
"copy-webpack-plugin": "^5.0.0"
|
||||
}
|
||||
}
|
||||
55
www/style.css
Normal file
55
www/style.css
Normal file
@@ -0,0 +1,55 @@
|
||||
html, body, main {
|
||||
width: 100%;
|
||||
margin: 0;
|
||||
padding: 0;
|
||||
}
|
||||
|
||||
body {
|
||||
margin: auto;
|
||||
max-width: 800px;
|
||||
display: flex;
|
||||
flex-direction: column;
|
||||
}
|
||||
|
||||
@media (max-width: 800px) {
|
||||
body {
|
||||
padding: 10px;
|
||||
box-sizing: border-box;
|
||||
}
|
||||
}
|
||||
|
||||
main {
|
||||
display: flex;
|
||||
flex-direction: column;
|
||||
align-items: center;
|
||||
}
|
||||
|
||||
#coord, #status {
|
||||
color: grey;
|
||||
font-size: 10px;
|
||||
height: 15px
|
||||
}
|
||||
|
||||
#control {
|
||||
margin-top: 1em;
|
||||
}
|
||||
|
||||
#control label {
|
||||
font-weight: bold;
|
||||
margin-right: 1em;
|
||||
}
|
||||
|
||||
#control select {
|
||||
padding: 0.25em 0.5em;
|
||||
}
|
||||
|
||||
footer {
|
||||
margin-top: 2em;
|
||||
font-size: 12px;
|
||||
text-align: center;
|
||||
}
|
||||
|
||||
.hide {
|
||||
visibility: hidden;
|
||||
height: 0px;
|
||||
}
|
||||
14
www/webpack.config.js
Normal file
14
www/webpack.config.js
Normal file
@@ -0,0 +1,14 @@
|
||||
const CopyWebpackPlugin = require("copy-webpack-plugin");
|
||||
const path = require('path');
|
||||
|
||||
module.exports = {
|
||||
entry: "./bootstrap.js",
|
||||
output: {
|
||||
path: path.resolve(__dirname, "dist"),
|
||||
filename: "bootstrap.js",
|
||||
},
|
||||
mode: "development",
|
||||
plugins: [
|
||||
new CopyWebpackPlugin(['index.html'])
|
||||
],
|
||||
};
|
||||
Reference in New Issue
Block a user