whoeverest · August 25, 2023 13:51
diff --git a/mandelbrot.html b/mandelbrot.html
 <!DOCTYPE html>
 <html>
    <head>
        <title>WASM fractal // Beer.js 0.33 // Ohrid 26.08.2023</title>
    </head>
    <body>
        <canvas id="canvas" width="500" height="500" style="border: 1px solid black"></canvas>
        <script>
            let ctx = canvas.getContext('2d');

            function drawPixel(x, y, color) {
                ctx.fillStyle = color;
                ctx.fillRect(x, y, 1, 1);
            }

            function getRedShade(n) {
                n = Math.min(Math.floor(n), 255);
                return `rgb(${n}, 0, 0)`;
            }

            function scaleToRange(n, sourceRange, targetRange) {
                if (n < sourceRange.min || n > sourceRange.max) {
                    throw Error('n is not in the source range');
                }
                let percentFromSource = (n - sourceRange.min) / (sourceRange.max - sourceRange.min);
                return targetRange.min + ((targetRange.max - targetRange.min) * percentFromSource);
            }

            for (let px = 0; px <= 499; px++) {
                for (let py = 0; py <= 499; py ++) {
                    let scaledX = scaleToRange(px, { min: 0, max: 500 },  { min: -2, max: 0.47 });
                    let scaledY = scaleToRange(py, { min: 0, max: 500 },  { min: -1.12, max: 1.12 });
                    let x = 0;
                    let y = 0;
                    let iteration = 0;
                    let maxIteration = 1000;
                    while (((x*x) + (y*y) <= 2) && iteration < maxIteration) {
                        let xTemp = x*x - y*y + scaledX;
                        y = 2*x*y + scaledY;
                        x = xTemp;
                        iteration += 1;
                    }
                    drawPixel(px, py, getRedShade(iteration));
                }
            }
        </script>
    </body>
    
 </html>
	<!DOCTYPE html>
	<html>
	<head>
	<title>WASM fractal // Beer.js 0.33 // Ohrid 26.08.2023</title>
	</head>
	<body>
	<canvas id="canvas" width="500" height="500" style="border: 1px solid black"></canvas>
	<script>
	let ctx = canvas.getContext('2d');

	function drawPixel(x, y, color) {
	ctx.fillStyle = color;
	ctx.fillRect(x, y, 1, 1);
	}

	function getRedShade(n) {
	n = Math.min(Math.floor(n), 255);
	return `rgb(${n}, 0, 0)`;
	}

	function scaleToRange(n, sourceRange, targetRange) {
	if (n < sourceRange.min \|\| n > sourceRange.max) {
	throw Error('n is not in the source range');
	}
	let percentFromSource = (n - sourceRange.min) / (sourceRange.max - sourceRange.min);
	return targetRange.min + ((targetRange.max - targetRange.min) * percentFromSource);
	}

	for (let px = 0; px <= 499; px++) {
	for (let py = 0; py <= 499; py ++) {
	let scaledX = scaleToRange(px, { min: 0, max: 500 }, { min: -2, max: 0.47 });
	let scaledY = scaleToRange(py, { min: 0, max: 500 }, { min: -1.12, max: 1.12 });
	let x = 0;
	let y = 0;
	let iteration = 0;
	let maxIteration = 1000;
	while (((xx) + (yy) <= 2) && iteration < maxIteration) {
	let xTemp = xx - yy + scaledX;
	y = 2xy + scaledY;
	x = xTemp;
	iteration += 1;
	}
	drawPixel(px, py, getRedShade(iteration));
	}
	}
	</script>
	</body>

	</html>