soverthe.github.io/NoteMath.html at main · soverthe/soverthe.github.io · GitHub

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<!DOCTYPE html>
<html lang="en-US">
 <head>
    <title>Sover the Note Math</title>
   <meta charset="UTF-8">
   <style>
	html, body { height: 100%; margin: 0; }
	body {
		overflow: hidden;
		background-color: #222222;
		color: white;
		zoom: 3;

		font-size: 1vw;

	}


	button {
		color: #111111;
		background-color: #111111;
		width: 1.6vw;
		height: 3.2vh;

		font-size: 0.5vw;
	}

	#buttonsDiv:hover button{
		color: #FFFFFF;
	}


	#maxNumberId {
		opacity:0;
	}

	#maxNumberId:hover { /* https://stackoverflow.com/a/19929157/12777947 */
		opacity:1;
		-webkit-transition: opacity 1s ease-in-out .0s;
		transition: opacity 1s ease-in-out .0s;
	}


	a {
		font-size: 2vw;
	}


	input {
		width: 3vw;
		height: 2vh;
		font-size: 0.4vw;
	}

   </style>
 </head>
 <body>
  <div style="text-align: center; margin-top: 2vh;"><a class="textId">Note Math</a></div><br>
  <div id="maxNumberId">Max Number: <input id="maxNumberInput" type="number" value="20"></input></div>
  <div id="equationDiv" align="center" class="textId"></div>
  <div id="buttonsDiv" align="center"></div>
  <script>


	let notes = ["A", "A#", "B", "C", "C#", "D", "D#", "E", "F", "F#", "G", "G#"];

	let solution = 0;

	let lastNote = 0;


	function mod(n, m){
		return ((n % m) + m) % m;
	}


	function setButtons(){
		let buttons = "";

		for (i in notes){
			buttons += "<button onclick='checkSolution(" + i + ")'>" + notes[i] + "</button> ";
		}

		document.getElementById("buttonsDiv").innerHTML = buttons;
	}
	setButtons();


	function getRandomNums(){
		return [Math.floor(Math.random() * notes.length), Math.floor(Math.random() * document.getElementById("maxNumberInput").value) + 1];
	}

	function generateRandomNums(){
		let nums = getRandomNums();

		while (nums[0] == lastNote){
			nums = getRandomNums();
		}
		lastNote = nums[0];
		return nums;
	}


	function generateEquation(){
		let isNegative = Math.floor(Math.random() * 2);
		let operatorText = isNegative ? " - " : " + ";

		let nums = generateRandomNums();

		solution = mod(nums[0] + nums[1] * (-2 * isNegative + 1), notes.length);

		document.getElementById("equationDiv").innerHTML = "<h1>" + (notes[nums[0]] + operatorText + nums[1] + " = ?") + "</h1>";
	}
	generateEquation();


	function checkSolution(num){
		if (num == solution){
			generateEquation();

			changeTextColor();
		}
	}


	function changeTextColor(){
		let prideColors = [
			["#000000", "#a3a3a3", "#ffffff", "#880088"], //ace
			["#ff218c", "#ffd800", "#21b1ff"], //pan
			["#3da542", "#a7d379", "#ffffff", "#a9a9a9", "#000000"], //aro
			["#e28c00", "#eccd00", "#ffffff", "#62aedc", "#203856"], //aroace
			["#d60270", "#9b4f96", "#0038a8"], //bi
			["#FFF433", "#FFFFFF", "#9B59D0", "#2D2D2D"], //emby
			["#5BCEFA", "#F5A9B8", "#FFFFFF", "#F5A9B8", "#5BCEFA"], //trans
			["#f61cb9", "#07d569", "#1c92f6"], //poly
			["#000000", "#b9b9b9", "#ffffff", "#b8f483", "#ffffff", "#b9b9b9", "#000000"], //agender
			["#7f7f7f", "#c4c4c4", "#9ad9eb", "#ffffff", "#9ad9eb", "#c4c4c4", "#7f7f7f"], //demiboy
			["#7f7f7f", "#c4c4c4", "#ffaec9", "#ffffff", "#ffaec9", "#c4c4c4", "#7f7f7f"], //demigirl
			["#ff75a2", "#f5f5f5", "#be18d6", "#2c2c2c", "#333ebd"], //genderfluid
			["#b57edc", "#ffffff", "#4a8123"], //genderqueer
			["#d52d00","#ef7627","#ff9a56","#ffffff","#d162a4","#b55690","#a30262"], //lesbian 7 stripes
			["#d52d00","#ff9a56","#ffffff","#d362a4","#a30262"], //lesbian 5 stripes
			["#078d70","#26ceaa","#98e8c1","#ffffff","#7bade2","#5049cc","#3d1a78"], //mlm 7 stripes
			["#078d70","#98e8c1","#ffffff","#7bade2","#3d1a78"], //mlm 5 stripes
			["#e50000", "#ff8b00", "#ffee00", "#028121", "#004cff", "#770088"] //pride rainbow
		];


		let color = prideColors[Math.floor(Math.random() * prideColors.length)];
		//let color = prideColors[13];

		let colorCodesText = "";

		for (let i in color){
			if (i == 0 || i == color.length - 1){
				if (i != 0){
					colorCodesText += ",";
				}

				colorCodesText += color[i];
				colorCodesText += "," + color[i];
			}

			colorCodesText += "," + color[i];
		}


		let gradientText = "background: linear-gradient(" + colorCodesText + ");"

		document.getElementsByClassName("textId")[0].style = gradientText + "-webkit-background-clip: text; -webkit-text-fill-color: transparent;";
		document.getElementsByClassName("textId")[1].style = gradientText + "-webkit-background-clip: text; -webkit-text-fill-color: transparent; text-shadow: 0px 0px #FFFFFF44;";
	}
	changeTextColor();
  </script>
 </body>
</html>