360 lines
9.7 KiB
JavaScript
360 lines
9.7 KiB
JavaScript
function randInt(min,max) {
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return Math.floor(Math.random() * (max - min + 1)) + min;
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}
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function hexToRGB(hex) {
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var r = parseInt(hex.slice(0, 2), 16),
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g = parseInt(hex.slice(2, 4), 16),
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b = parseInt(hex.slice(4, 6), 16);
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return [r,g,b];
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}
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function convertData(text, base){
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if(text.length < 150) {
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website = "";
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return;
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}
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var output = "";
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for (var i = 0; i < text.length; i++)
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{
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var letter = text[i].charCodeAt(0).toString(base);
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output += letter;
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}
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return output;
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}
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function generateString() {
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var final = "";
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var length = randInt(50,100);
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for(var i = 0; i < length; i++) {
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final += randInt(0,1);
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}
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return final;
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}
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var canvas = document.getElementById("canvas");
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var visualCtx = canvas.getContext("2d");
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var audioCtx = new window.AudioContext();
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var doAnimate = true;
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var freq = [261.63, 293.66, 329.63, 349.23, 392.00, 440.00, 493.88, 523.25];
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canvas.width = window.innerWidth;
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canvas.height = window.innerHeight;
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visualCtx.fillStyle = "#000";
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visualCtx.fillRect(0,0, canvas.width, canvas.height);
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function generateFrames(frame, string, width, height, rate) {
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// Rate is in bits per second
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// 30 frames per second
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var bitsPerSection = Math.ceil(canvas.width/width)+2;
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var shift = canvas.width-rate*width*frame/30;
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var bitsToCalc = Math.ceil(rate*width*frame/(width*30));
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var output = [];
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for(var i = bitsToCalc-bitsPerSection; i < bitsToCalc; i++) {
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try {
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var x = i*width;
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if(parseInt(string[i])) {
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output.push([x+shift, -height+canvas.height/2]);
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output.push([x+width+shift, -height+canvas.height/2]);
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if(string[i-1] === 0) {
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output.push([x+width+shift, canvas.height/2]);
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}
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} else {
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output.push([x+shift, canvas.height/2]);
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output.push([x+width+shift,canvas.height/2]);
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}
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} catch(err) {}
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}
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return output;
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}
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function drawFrame(frame ,input) {
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visualCtx.fillRect(0,0, canvas.width, canvas.height);
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visualCtx.beginPath();
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var frame1 = generateFrames(frame, input, 100, 100, speed);
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visualCtx.moveTo(0,(canvas.height/2)-100);
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for(var i = 1; i < frame1.length; i++) {
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visualCtx.lineTo(frame1[i][0],frame1[i][1]);
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}
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visualCtx.strokeStyle="#006064";
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visualCtx.stroke();
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}
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function drawFrame2(frame ,input) {
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visualCtx.fillRect(0,0, canvas.width, canvas.height);
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var ColorList = ["006064"/*,"00838F","0097A7","00ACC1","00B8D4","00E5FF","18FFFF","84FFFF"*/];
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for(var j=0;j<ColorList.length;j++){
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visualCtx.beginPath();
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var frame1 = generateFrames(frame, input, 100, 100, 5);
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console.log(frame1);
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//frame1= rotate(frame1,30);
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var xStart = canvas.width/2;
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var yStart = 10*j + canvas.height/2;
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var hMM = [xStart*Math.cos(toRad(30))-yStart*Math.sin(toRad(30)),xStart*Math.sin(toRad(30))+yStart*Math.cos(toRad(30))];
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visualCtx.moveTo(0,(canvas.height/2)-100);
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for(var i = 1; i < frame1.length; i++) {
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visualCtx.lineTo(frame1[i][0], /*0.05*(j+1)*(*/frame1[i][1]-canvas.height/2/*-canvas.height/2)+canvas.height/2*/);
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}
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visualCtx.strokeStyle="#"+ ColorList[j];
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visualCtx.stroke();
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}
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}
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function toRad(theta){
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return theta*(Math.PI/180);
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}
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function rotate(list,theta){
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var output = [];
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for(var i=0;i < list.length;i++){
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output.push([list[i][0]*Math.cos(toRad(theta))-list[i][1]*Math.sin(toRad(theta)),list[i][0]*Math.sin(toRad(theta))+list[i][1]*Math.cos(toRad(theta))]);
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}
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return output;
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}
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function getWebsite(url) {
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var proxy = "https://cors-anywhere.herokuapp.com/";
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var xhr = new XMLHttpRequest();
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xhr.open("GET", proxy+url, false);
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xhr.onreadystatechange = function() {
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if(xhr.readyState === 4) {
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if(xhr.status === 200) {
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} else {
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document.getElementById("urlInput").value = "";
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alert("Invalid URL!");
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}
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}
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}
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xhr.send();
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return xhr.responseText;
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}
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function animate(n , input) {
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if(!doAnimate) return;
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drawFrame(n, input);
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setTimeout(function() { animate(n+1, input); }, 100/3);
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}
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var type = "LO";
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var speed = 5;
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var doAnimate = true;
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var doSound = false;
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var website = "";
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var visualCtx = canvas.getContext("2d");
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canvas.width = window.innerWidth;
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canvas.height = window.innerHeight;
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visualCtx.fillStyle = "#1a1a1a";
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visualCtx.fillRect(0,0, canvas.width, canvas.height);
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var osc;
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function sound(n, input) {
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if(!doSound) {
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document.getElementById("DAText").innerHTML = "";
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osc.stop();
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return;
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}
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if(n === 0) {
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osc = audioCtx.createOscillator();
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osc.connect(audioCtx.destination);
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osc.start(0);
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osc.type = "sawtooth";
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// osc.frequency.value = 261.63;
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temp = [];
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}
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// var max = 523.25;
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// var min = 130.81;
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document.getElementById("DAText").innerHTML = input[n];
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osc.frequency.value = freq[input[n]];
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// osc.frequency.value = parseInt(input.substr(n, 10), 2);
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// var rand = randInt(130, 523);
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// var direction = 1;
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// if (rand < osc.frequency.value) {direction = -1;}
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// osc.frequency.value += direction * input[n] * 10;
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setTimeout(function() { sound(n+1, input); }, 10*speed);
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}
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function image(input) {
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try {
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document.getElementById("imagecode").parentNode.removeChild(document.getElementById("imagecode"));
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} catch(err) {}
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n = 0;
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imagecan = document.createElement('canvas');
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imagecan.width = Math.floor(Math.sqrt(input.length/6));
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imagecan.height = imagecan.width;
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imagecan.id = "imagecode";
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document.body.appendChild(imagecan);
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var ctx = imagecan.getContext("2d");
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var imageData = ctx.getImageData(0,0,imagecan.width, imagecan.height);
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for(var i = 0; i < imageData.data.length; i++) {
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fill = hexToRGB(input.substr(n,6));
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imageData.data[4*i] = fill[0];
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imageData.data[4*i+1] = fill[1];
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imageData.data[4*i+2] = fill[2];
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imageData.data[4*i+3] = 255;
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n += 6;
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}
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// fakeimage = document.createElement('canvas');
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// fakeimage.width = imagecan.width;
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// fakeimage.height = imagecan.height;
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// fakeimage.getContext("2d").putImageData(imageData, 0, 0);
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// ctx.canvas.width = 480;
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// ctx.canvas.height = 480;
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// ctx.scale(imagecan.width * (480/imagecan.width), imagecan.height *(480/imagecan.height));
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// ctx.drawImage(fakeimage, 0, 0);
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// console.log(fakeimage, ctx)
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ctx.putImageData(imageData, 0, 0);
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}
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function search() {
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var input = document.getElementById("urlInput");
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var value = input.value;
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if(value === "" || value === website && type !== "IV") return;
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website = value;
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visualCtx.fillStyle = "#1a1a1a";
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visualCtx.fillRect(0,0, canvas.width, canvas.height);
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try {
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document.getElementById("imagecode").parentNode.removeChild(document.getElementById("imagecode"));
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} catch(err) {}
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switch(type) {
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case "LO":
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var data = convertData(getWebsite(website),2);
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doSound = false;
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doAnimate = false;
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setTimeout(function() {
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speed = 5;
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doAnimate = true;
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document.getElementById("speedInput").value = 5;
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animate(0, data);
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}, 100/3);
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break;
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case "DA":
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var data = convertData(getWebsite(website),8);
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doAnimate = false;
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doSound = false;
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setTimeout(function() {
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speed = 50;
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doSound = true;
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document.getElementById("speedInput").value = 50;
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sound(0, data);
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}, 100/3);
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break;
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case "IV":
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var data = convertData(getWebsite(website),16);
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doAnimate = false;
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doSound = false;
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setTimeout(function() {
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image(data);
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}, 100/3);
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break;
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}
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}
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document.getElementsByClassName("fa-search")[0].onclick = function() {
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search();
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}
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document.getElementById("urlInput").onkeypress = function(e) {
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if(e.keyCode == 13) {
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search();
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}
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}
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document.getElementsByClassName("fa-cog")[0].onclick = function() {
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document.getElementById("speedContainer").classList.toggle("show");
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}
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document.getElementsByClassName("fa-bars")[0].onclick = function() {
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document.getElementById("modeContainer").classList.toggle("show");
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}
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window.onclick = function(event) {
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if (!event.target.matches(".dropButton")) {
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var dropdowns = document.getElementsByClassName("dropdown-content");
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for (var i = 0; i < dropdowns.length; i++) {
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var openDropdown = dropdowns[i];
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if (openDropdown.classList.contains('show')) {
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openDropdown.classList.remove('show');
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}
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}
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}
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}
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document.getElementById("speedInput").onchange = function() {
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speed = parseInt(this.value);
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}
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document.getElementById("LO").onclick = function() {
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if(type === "LO") return;
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if(website === "") {
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alert("Please enter a website!");
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return;
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}
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type = "LO";
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try {
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document.getElementById("imagecode").parentNode.removeChild(document.getElementById("imagecode"));
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} catch(err) {}
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var data = convertData(getWebsite(website),2);
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visualCtx.fillStyle = "#1a1a1a";
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visualCtx.fillRect(0,0, canvas.width, canvas.height);
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doSound = false;
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doAnimate = false;
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setTimeout(function() {
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speed = 5;
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doAnimate = true;
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document.getElementById("speedInput").value = 5;
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animate(0, data);
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}, 100/3);
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}
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document.getElementById("DA").onclick = function() {
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if(type === "DA") return;
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if(website === "") {
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alert("Please enter a website!");
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return;
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}
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type = "DA";
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try {
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document.getElementById("imagecode").parentNode.removeChild(document.getElementById("imagecode"));
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} catch(err) {}
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var data = convertData(getWebsite(website),8);
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visualCtx.fillStyle = "#1a1a1a";
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visualCtx.fillRect(0,0, canvas.width, canvas.height);
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doAnimate = false;
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doSound = false;
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setTimeout(function() {
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speed = 50;
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doSound = true;
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document.getElementById("speedInput").value = 50;
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sound(0, data);
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}, 100/3);
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}
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document.getElementById("IV").onclick = function() {
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if(type === "IV") return;
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if(website === "") {
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alert("Please enter a website!");
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return;
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}
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type = "IV";
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var data = convertData(getWebsite(website),16);
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visualCtx.fillStyle = "#1a1a1a";
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visualCtx.fillRect(0,0, canvas.width, canvas.height);
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doAnimate = false;
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doSound = false;
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setTimeout(function() {
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image(data);
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}, 100/3);
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}
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