addin dev folder
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156
dev/stars/index.html
Normal file
156
dev/stars/index.html
Normal file
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<!DOCTYPE html>
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<html lang="">
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<head>
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<meta charset="utf-8">
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<title></title>
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<style>
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body{
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background-color: #1f1e27;
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margin: 0;
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width: 100%;
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height: 100%;
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}
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#myCanvas {
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position: absolute;
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top: 0;
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left: 0;
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z-index: 1;
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}
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#valuesForm {
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z-index: 2;
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position: absolute;
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top: 50%;
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left: 50%;
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transform: translate(-50%, -50%);
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width: 300px;
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text-align: center;
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}
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#valuesForm input, #valuesForm button {
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display: block;
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margin-left: auto;
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margin-right: auto;
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margin-top: 50px;
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width: 50%;
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background-color: rgba(0, 0, 0, 0);
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color: #71627a;
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text-align: center;
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outline: #71627a 2px solid;
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border-radius: 2px;
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padding: 5px;
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font-size: 1.5em;
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overflow: hidden;
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transition: outline-offset 0.5s;
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border: none;
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font-family: monospace;
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}
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#valuesForm button:focus, #valuesForm button:hover, #valuesForm input:focus, #valuesForm input:hover {
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transition: outline-offset 0.5s;
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outline-offset: 10px;
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}
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#valuesForm h1 {
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color: #71627a;
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}
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</style>
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</head>
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<body>
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<form id="valuesForm">
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<h1>STARS</h1>
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<input type="text" id="amtInput" placeholder="Amount">
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<input type="text" id="maxSizeInput" placeholder="Max Size">
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<button type="submit">Redraw</button>
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</form>
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<canvas id="myCanvas"></canvas>
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<script>
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const form = document.getElementById("valuesForm");
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form.addEventListener("submit", function(event)
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{
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event.preventDefault();
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amount = document.getElementById("amtInput").value;
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maxSize = document.getElementById("maxSizeInput").value;
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Draw();
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});
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const c = document.getElementById("myCanvas");
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const ctx = c.getContext("2d");
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var amount = 2000;
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var maxSize = 5;
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var boundsX;
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var boundsY;
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function Setup()
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{
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c.width = window.innerWidth;
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c.height = window.innerHeight;
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boundsX = c.width;
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boundsY = c.height;
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}
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function Draw()
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{
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Setup();
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for (i=0; i<amount; i++)
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{
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size = rand(maxSize);
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MakeRect(rand(boundsX), rand(boundsY), size, size);
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}
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}
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function MakeRect(posX, posY, sizeX, sizeY)
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{
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ctx.beginPath();
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ctx.fillStyle = "#71627a";
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ctx.fillRect(posX, posY, sizeX, sizeY);
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ctx.stroke();
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}
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function rand(max)
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{
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return Math.floor(Math.random() * max);
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}
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function resize()
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{
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var canvas = document.getElementById('myCanvas');
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var canvasRatio = canvas.height / canvas.width;
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var windowRatio = window.innerHeight / window.innerWidth;
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var width;
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var height;
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if (windowRatio < canvasRatio) {
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height = window.innerHeight;
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width = height / canvasRatio;
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} else {
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width = window.innerWidth;
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height = width * canvasRatio;
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}
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canvas.style.width = width + 'px';
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canvas.style.height = height + 'px';
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Draw();
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}
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window.addEventListener('resize', resize, false);
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Draw();
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</script>
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</body>
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</html>
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