# Attempt to implement diamond square algorithm

Just a quick diamond square canvas thing... What is a attempt to implement diamond square algorithm How do you make a attempt to implement diamond square algorithm? This script and codes were developed by Jeff Daze on 24 March 2022, Thursday.

How do I make an attempt to implement diamond square algorithm?
Attempt to implement diamond square algorithm Previews

## Attempt to implement diamond square algorithm HTML Codes

``````<!DOCTYPE html>
<html >
<meta charset="UTF-8">
<title>Attempt to implement diamond square algorithm</title>

<body>
<div>
<button id="run">Draw</button>
</div>
<canvas id="c"></canvas>

<script  src="js/index.js"></script>

</body>
</html>``````

## Attempt to implement diamond square algorithm CSS Codes

``````#c{
border:1px solid #000;
}``````

## Attempt to implement diamond square algorithm JS Codes

``````//this must always be a power of 2 +1
//eg 65, 129, 267,
var size="513";

//set the canvas to the specified height and width...
//square only for now!
\$("#c").width= size;
\$("#c").height= size;

//draw a random single color pixel in the canvas...
function draw(canvas){
var ctx = canvas.getContext('2d');

var canvasData = ctx.createImageData(canvas.width, canvas.height);

for (var y=0; y<canvas.height; y++){
for (var x=0; x<canvas.width; x++){
setPixel(canvasData, x, y, getRandomInt(0, 255), getRandomInt(0, 255), getRandomInt(0, 255), 255);
}
}

ctx.putImageData(canvasData, 0, 0);
}

//single pixel rendering...
function setPixel(imageData, x, y, r, g, b, a) {
index = (x + y * imageData.width) * 4;
imageData.data[index+0] = r;
imageData.data[index+1] = g;
imageData.data[index+2] = b;
imageData.data[index+3] = a;
}

//bind click to button...
draw(\$('#c'));
}, false);

//utility functions here...

function getRandomInt(min, max){
return Math.floor(Math.random() * (max - min + 1)) + min;
}

function \$(selector){
return document.querySelector(selector);
}``````
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