change sound, add image

This commit is contained in:
yamanq 2017-10-01 02:50:16 -04:00
parent b5d1d73b0c
commit 1d8639e578
2 changed files with 69 additions and 11 deletions

View File

@ -8,4 +8,14 @@ html {
body {
margin: 0;
}
}
canvas, img {
image-rendering: optimizeSpeed;
image-rendering: -moz-crisp-edges;
image-rendering: -webkit-optimize-contrast;
image-rendering: optimize-contrast;
image-rendering: pixelated;
-ms-interpolation-mode: nearest-neighbor;
width: 480px;
height: 480px;
}

View File

@ -2,6 +2,14 @@ function randInt(min,max) {
return Math.floor(Math.random() * (max - min + 1)) + min;
}
function hexToRGB(hex) {
var r = parseInt(hex.slice(0, 2), 16),
g = parseInt(hex.slice(2, 4), 16),
b = parseInt(hex.slice(4, 6), 16);
return [r,g,b];
}
function convertData(text, base){
var output = "";
for (var i = 0; i < text.length; i++)
@ -69,26 +77,38 @@ function getWebsite(url) {
function animate(n , input) {
if(!doAnimate) return;
drawFrame(n, input);
setTimeout(function() { animate(n+1, input) }, 100/3);
setTimeout(function() { animate(n+1, input); }, 100/3);
}
function sound(n, input) {
if(n === 0) {
osc.connect(audioCtx.destination);
osc2.connect(audioCtx.destination);
osc3.connect(audioCtx.destination);
osc.start(0);
osc.start(0);
osc.type = "sawtooth";
// osc.frequency.value = 261.63;
temp = [];
}
osc.frequency.value = freq[input[n]];
setTimeout(function() { sound(n+1, input); }, 500);
// var max = 523.25;
// var min = 130.81;
osc.frequency.value = freq[input[n]];
// osc.frequency.value = parseInt(input.substr(n, 10), 2);
// var rand = randInt(130, 523);
// var direction = 1;
// if (rand < osc.frequency.value) {direction = -1;}
// osc.frequency.value += direction * input[n] * 10;
setTimeout(function() { sound(n+1, input); }, 500);
}
var canvas = document.getElementById("canvas");
var visualCtx = canvas.getContext("2d");
var audioCtx = new window.AudioContext();
var osc = audioCtx.createOscillator();
var doAnimate = true;
var freq = [440, 494, 523, 587, 660, 698, 784, 880];
var freq = [261.63, 293.66, 329.63, 349.23, 392.00, 440.00, 493.88, 523.25];
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
@ -96,9 +116,37 @@ canvas.height = window.innerHeight;
visualCtx.fillStyle = "#000";
visualCtx.fillRect(0,0, canvas.width, canvas.height);
function image(input) {
n = 0;
imagecan = document.createElement('canvas');
imagecan.width = Math.floor(Math.sqrt(input.length/6));
imagecan.height = imagecan.width;
document.body.appendChild(imagecan);
ctx = imagecan.getContext("2d");
animate(0, convertData(getWebsite("https://www.google.com"), 2));
sound(0, convertData(getWebsite("https://www.google.com"), 8));
var imageData = ctx.getImageData(0,0,imagecan.width, imagecan.height);
for(var i = 0; i < imageData.data.length; i++) {
fill = hexToRGB(input.substr(n,6));
imageData.data[4*i] = fill[0];
imageData.data[4*i+1] = fill[1];
imageData.data[4*i+2] = fill[2];
imageData.data[4*i+3] = 255;
n += 6;
}
// fakeimage = document.createElement('canvas');
// fakeimage.width = imagecan.width;
// fakeimage.height = imagecan.height;
// fakeimage.getContext("2d").putImageData(imageData, 0, 0);
// ctx.canvas.width = 480;
// ctx.canvas.height = 480;
// ctx.scale(imagecan.width * (480/imagecan.width), imagecan.height *(480/imagecan.height));
// ctx.drawImage(fakeimage, 0, 0);
// console.log(fakeimage, ctx)
ctx.putImageData(imageData, 0, 0);
}
var url = "http://www.purple.com/purple.html"
animate(0, convertData(getWebsite(url), 2));
sound(0, convertData(getWebsite(url), 8));
image(convertData(getWebsite(url), 16));