style and others
parent
3e5933440d
commit
fc44bcd15e
@ -1,109 +0,0 @@
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// Great resource from https://stackoverflow.com/a/40700068
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// Thank you ConnorFan
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var strokeWidth = 8;
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var bufferSize;
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var svgElement = document.getElementById("svgElement");
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var rect = svgElement.getBoundingClientRect();
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var path = null;
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var strPath;
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var buffer = []; // Contains the last positions of the mouse cursor
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const startDrawing = (e) => {
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e.preventDefault();
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// console.log("start");
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bufferSize = 2;
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path = document.createElementNS("http://www.w3.org/2000/svg", "path");
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path.setAttribute("fill", "none");
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path.setAttribute("stroke", "currentColor");
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path.setAttribute("stroke-width", strokeWidth);
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buffer = [];
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var pt = getMousePosition(e);
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appendToBuffer(pt);
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strPath = "M" + pt.x + " " + pt.y;
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path.setAttribute("d", strPath);
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svgElement.appendChild(path);
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};
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const draw = (e) => {
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e.preventDefault();
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if (path) {
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// console.log("draw");
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appendToBuffer(getMousePosition(e));
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updateSvgPath();
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}
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};
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const stopDrawing = () => {
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if (path) {
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// console.log("stop");
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path = null;
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}
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};
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var getMousePosition = function (e) {
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return {
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x: (e.pageX || e?.changedTouches[0]?.pageX) - rect.left,
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y: (e.pageY || e?.changedTouches[0]?.pageY) - rect.top,
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};
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};
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var appendToBuffer = function (pt) {
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buffer.push(pt);
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while (buffer.length > bufferSize) {
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buffer.shift();
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}
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};
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// Calculate the average point, starting at offset in the buffer
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var getAveragePoint = function (offset) {
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var len = buffer.length;
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if (len % 2 === 1 || len >= bufferSize) {
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var totalX = 0;
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var totalY = 0;
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var pt, i;
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var count = 0;
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for (i = offset; i < len; i++) {
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count++;
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pt = buffer[i];
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totalX += pt.x;
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totalY += pt.y;
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}
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return {
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x: totalX / count,
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y: totalY / count,
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};
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}
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return null;
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};
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var updateSvgPath = function () {
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var pt = getAveragePoint(0);
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if (pt) {
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// Get the smoothed part of the path that will not change
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strPath += " L" + pt.x + " " + pt.y;
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// Get the last part of the path (close to the current mouse position)
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// This part will change if the mouse moves again
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var tmpPath = "";
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for (var offset = 2; offset < buffer.length; offset += 2) {
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pt = getAveragePoint(offset);
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tmpPath += " L" + pt.x + " " + pt.y;
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}
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// Set the complete current path coordinates
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path.setAttribute("d", strPath + tmpPath);
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}
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};
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svgElement.addEventListener("mousedown", (e) => startDrawing(e));
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svgElement.addEventListener("touchstart", (e) => startDrawing(e), { passive: false });
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svgElement.addEventListener("mousemove", (e) => draw(e));
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svgElement.addEventListener("touchmove", (e) => draw(e), { passive: false });
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svgElement.addEventListener("mouseup", () => stopDrawing());
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svgElement.addEventListener("mouseleave", () => stopDrawing());
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svgElement.addEventListener("touchend", () => stopDrawing());
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@ -1,93 +0,0 @@
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8" />
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<meta http-equiv="X-UA-Compatible" content="IE=edge" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<title>Draw draw draw</title>
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<script src="wss.js"></script>
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<link rel="stylesheet" href="style.css" />
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</head>
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<body>
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<h1>Display</h1>
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<div id="svg-container" class="destination">
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<svg
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class="hidden"
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xmlns="http://www.w3.org/2000/svg"
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xmlns:xlink="http://www.w3.org/1999/xlink"
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version="1.1"
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id="svgElement"
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x="0px"
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y="0px"
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width="200px"
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height="200px"
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viewBox="0 0 500 500"
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enable-background="new 0 0 100 100"
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preserveAspectRatio="none"
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xml:space="preserve"
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></svg>
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</div>
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<script>
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const svgModel = document.querySelector("#svgElement");
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const container = document.querySelector("#svg-container");
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const socket = new ReconnectingWebSocket(
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location.origin.replace(/^http/, "ws") + "{{address}}"
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);
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socket.onopen = (event) => {
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socket.send(JSON.stringify({ type: "hello" }));
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console.log("Connected as destination!");
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};
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socket.onmessage = (event) => {
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let message;
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try {
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message = JSON.parse(event.data);
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} catch (e) {}
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if (message?.type == "drawings") {
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let svg = svgModel.cloneNode();
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svg.classList.remove("hidden");
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let path = document.createElementNS("http://www.w3.org/2000/svg", "path");
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path.setAttribute("d", message.paths);
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path.setAttribute("fill", "none");
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path.setAttribute("stroke", "currentColor");
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path.setAttribute("stroke-width", 8);
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svg.appendChild(path);
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svg.style.translate = '50% 50%'
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svg.style.transition = 'translate 0.5s'
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walk(svg)
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container.appendChild(svg);
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}
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};
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const randomWalk = (prev, scale = 1) => {
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return {
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x: prev?.x + (Math.random() - 0.5) * scale,
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y: prev?.y + (Math.random() - 0.5) * scale
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}
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}
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const walk = (el) => {
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let translate = el.style.translate
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let coords = translate.split(' ')
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let newCoords = randomWalk(
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{
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x: Number(coords[0].replace('%', '')),
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y: Number(coords[1].replace('%', ''))
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},
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10
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)
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el.style.translate = `${newCoords.x}% ${newCoords.y}%`
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requestAnimationFrame(()=> walk(el))
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}
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</script>
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</body>
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</html>
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Loading…
Reference in New Issue