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@prashant-shahi
Last active January 14, 2019 12:47
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Devnagari Matrix-like Screen - Hacker's Screen - Nepali/Hindi
<!--/*
Live Demo : https://bl.ocks.org/CoolBoi567/raw/86dd9026b88c24d86ee29225cde20008
*/-->
<html>
<head>
<title>Devnagari - Matrix Land</title>
<style>
*{
margin: 0;
padding: 0;
}
body { background: black; }
canvas { display:block; }
</style>
</head>
</html>
<body>
<canvas id="can"></canvas>
<script>
// geting canvas by id c
var c = document.getElementById("can");
var ctx = c.getContext("2d");
//making the canvas full screen
c.height = window.innerHeight;
c.width = window.innerWidth;
// devnagari characters - taken from the unicode charset
var matrix = "कखगघङचछजझञटठडढणतथदधनपफबभमयरलवशषसहक्षत्रज्ञ@#$%^&*()*&^%";
//converting the string into an array of single characters
matrix = matrix.split("");
var font_size = 10;
var columns = c.width/font_size; //number of columns for the rain
//an array of drops - one per column
var drops = [];
//x below is the x coordinate
//1 = y co-ordinate of the drop(same for every drop initially)
for(var x = 0; x < columns; x++)
drops[x] = 1;
//drawing the characters
function draw()
{
//Black BG for the canvas
//translucent BG to show trail
ctx.fillStyle = "rgba(0, 0, 0, 0.04)";
ctx.fillRect(0, 0, c.width, c.height);
ctx.fillStyle = "#0F0"; //green text
ctx.font = font_size + "px arial";
//looping over drops
for(var i = 0; i < drops.length; i++)
{
//a random devnagari character to print
var text = matrix[Math.floor(Math.random()*matrix.length)];
//x = i*font_size, y = value of drops[i]*font_size
ctx.fillText(text, i*font_size, drops[i]*font_size);
//sending the drop back to the top randomly after it has crossed the screen
//adding a randomness to the reset to make the drops scattered on the Y axis
if(drops[i]*font_size > c.height && Math.random() > 0.975)
drops[i] = 0;
//incrementing Y coordinate
drops[i]++;
}
}
setInterval(draw, 35);
</script>
</html>
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