Fibonacci color test

Developer
Sladix
Size
2,310 Kb
Views
4,048
  1. Fibonacci color test Previews
  2. Fibonacci color test HTML Codes
  3. Fibonacci color test CSS Codes
  4. Fibonacci color test JS Codes

How do I make an fibonacci color test?

What is a fibonacci color test? How do you make a fibonacci color test? This script and codes were developed by Sladix on 09 December 2022, Friday.

Fibonacci color test Previews
IQ Test

Fibonacci color test - Script Codes HTML Codes

<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>Fibonacci color test</title> <link rel="stylesheet" href="css/style.css">
</head>
<body> <canvas id="canvas"></canvas>
<button id="reset">Redraw</button> <script src="js/index.js"></script>
</body>
</html>

Fibonacci color test - Script Codes CSS Codes

#reset{ vertical-align:top;
}

Fibonacci color test - Script Codes JS Codes

var canvas = document.getElementById('canvas');
canvas.width = 500;
canvas.height = 400;
var ctx = canvas.getContext('2d');
var baseUnit = 5;
var numFibo = 9;
var baseColor = '';
function getFibo(howmany)
{	var seed = [0,1]; for(var i = 0;i<howmany;i++) { var n = seed[i] + seed[i+1]; seed.push(n); } return seed;
}
function getRandomColor() { var letters = '0123456789ABCDEF'.split(''); var color = '#'; for (var i = 0; i < 6; i++ ) { color += letters[Math.floor(Math.random() * 7)]; } return color;
}
function getIndexColor(i)
{ var letters = '0123456789ABCDEF'; if(i == 1) { baseColor = getRandomColor() return baseColor; } var color = '#'; for (var i = 1; i <= 6; i++ ) { var j = (letters.indexOf(baseColor[i]) + 1) % 16; color += letters[j]; } baseColor = color; return color;
}
function drawSquare(size,pos,color){ ctx.beginPath(); ctx.fillStyle = color; ctx.rect(pos[0],pos[1],size*baseUnit,size*baseUnit); ctx.stroke(); ctx.fill();
}
var baseLeft=150,baseTop = 100;
var fibo = getFibo(numFibo);
function doSetTimeout(i,curLeft,curTop) { setTimeout(function() { drawSquare(fibo[i],[curLeft,curTop],getIndexColor(i)); }, i*200);
}
function drawFibo(){ var curTop = baseTop; var curLeft = baseLeft; var curRight = curLeft + baseUnit; var curBottom = curTop + baseUnit; ctx.clearRect(0,0,canvas.width,canvas.height); for(var i = 1;i<fibo.length;i++) { var j = (i-1)%4; switch(j){ case 0: curRight = curLeft + fibo[i]*baseUnit curLeft = curLeft curTop = curBottom curBottom = curBottom + fibo[i]*baseUnit break; case 1: curLeft = curRight curRight = curRight + fibo[i]*baseUnit curTop = curBottom - fibo[i]*baseUnit curBottom = curBottom break; case 2: curLeft = curRight - fibo[i]*baseUnit curRight = curRight curBottom = curTop curTop = curBottom - fibo[i]*baseUnit break; case 3: curRight = curLeft curLeft = curLeft - fibo[i]*baseUnit curBottom = curTop + fibo[i]*baseUnit curTop = curTop break; } doSetTimeout(i,curLeft,curTop); }
}
drawFibo();
document.getElementById("reset").addEventListener('click',drawFibo);
Fibonacci color test - Script Codes
Fibonacci color test - Script Codes
Home Page Home
Developer Sladix
Username Sladix
Uploaded December 09, 2022
Rating 3
Size 2,310 Kb
Views 4,048
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