Canvas Parallax Skyline

Developer
Jack Rugile
Size
4,871 Kb
Views
42,504
  1. Canvas Parallax Skyline Previews
  2. Canvas Parallax Skyline HTML Codes
  3. Canvas Parallax Skyline CSS Codes
  4. Canvas Parallax Skyline JS Codes

How do I make an canvas parallax skyline?

This pen was inspired by Random Skyline by moklick. Move your mouse to change speed and move up and down. It would be cool to implement this as a background for a game. I am utilizing Sketch.js in this pen.. What is a canvas parallax skyline? How do you make a canvas parallax skyline? This script and codes were developed by Jack Rugile on 11 August 2022, Thursday.

Canvas Parallax Skyline Previews
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Canvas Parallax Skyline - Script Codes HTML Codes

<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>Canvas Parallax Skyline</title> <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/meyer-reset/2.0/reset.min.css"> <style> /* NOTE: The styles were added inline because Prefixfree needs access to your styles and they must be inlined if they are on local disk! */ canvas { background: linear-gradient( hsl(200, 50%, 80%) 0%, hsl(200, 30%, 95%) 75%) ; display: block;
}
div { height: 100%; left: 0; position: fixed; top: 0; width: 100%; background: url(http://jackrugile.com/images/misc/skyline-texture.png);
} </style> <script src="https://cdnjs.cloudflare.com/ajax/libs/prefixfree/1.0.7/prefixfree.min.js"></script>
</head>
<body> <div></div>
<!--
Canvas Parallax Skyline
-----------------------
Move your mouse to change speed and move up and down.
--> <script src='http://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js'></script>
<script src='https://rawgithub.com/soulwire/sketch.js/master/js/sketch.min.js'></script> <script src="js/index.js"></script>
</body>
</html>

Canvas Parallax Skyline - Script Codes CSS Codes

canvas { background: linear-gradient( hsl(200, 50%, 80%) 0%, hsl(200, 30%, 95%) 75%) ; display: block;
}
div { height: 100%; left: 0; position: fixed; top: 0; width: 100%; background: url(http://jackrugile.com/images/misc/skyline-texture.png);
}

Canvas Parallax Skyline - Script Codes JS Codes

(function() { var Building, Skyline, dt, sketch, skylines; sketch = Sketch.create(); sketch.mouse.x = sketch.width / 10; sketch.mouse.y = sketch.height; skylines = []; dt = 1; Building = function(config) { return this.reset(config); }; Building.prototype.reset = function(config) { this.layer = config.layer; this.x = config.x; this.y = config.y; this.width = config.width; this.height = config.height; this.color = config.color; this.slantedTop = floor(random(0, 10)) === 0; this.slantedTopHeight = this.width / random(2, 4); this.slantedTopDirection = round(random(0, 1)) === 0; this.spireTop = floor(random(0, 15)) === 0; this.spireTopWidth = random(this.width * .01, this.width * .07); this.spireTopHeight = random(10, 20); this.antennaTop = !this.spireTop && floor(random(0, 10)) === 0; this.antennaTopWidth = this.layer / 2; return this.antennaTopHeight = random(5, 20); }; Building.prototype.render = function() { sketch.fillStyle = sketch.strokeStyle = this.color; sketch.lineWidth = 2; sketch.beginPath(); sketch.rect(this.x, this.y, this.width, this.height); sketch.fill(); sketch.stroke(); if (this.slantedTop) { sketch.beginPath(); sketch.moveTo(this.x, this.y); sketch.lineTo(this.x + this.width, this.y); if (this.slantedTopDirection) { sketch.lineTo(this.x + this.width, this.y - this.slantedTopHeight); } else { sketch.lineTo(this.x, this.y - this.slantedTopHeight); } sketch.closePath(); sketch.fill(); sketch.stroke(); } if (this.spireTop) { sketch.beginPath(); sketch.moveTo(this.x + (this.width / 2), this.y - this.spireTopHeight); sketch.lineTo(this.x + (this.width / 2) + this.spireTopWidth, this.y); sketch.lineTo(this.x + (this.width / 2) - this.spireTopWidth, this.y); sketch.closePath(); sketch.fill(); sketch.stroke(); } if (this.antennaTop) { sketch.beginPath(); sketch.moveTo(this.x + (this.width / 2), this.y - this.antennaTopHeight); sketch.lineTo(this.x + (this.width / 2), this.y); sketch.lineWidth = this.antennaTopWidth; return sketch.stroke(); } }; Skyline = function(config) { this.x = 0; this.buildings = []; this.layer = config.layer; this.width = { min: config.width.min, max: config.width.max }; this.height = { min: config.height.min, max: config.height.max }; this.speed = config.speed; this.color = config.color; this.populate(); return this; }; Skyline.prototype.populate = function() { var newHeight, newWidth, results, totalWidth; totalWidth = 0; results = []; while (totalWidth <= sketch.width + (this.width.max * 2)) { newWidth = round(random(this.width.min, this.width.max)); newHeight = round(random(this.height.min, this.height.max)); this.buildings.push(new Building({ layer: this.layer, x: this.buildings.length === 0 ? 0 : this.buildings[this.buildings.length - 1].x + this.buildings[this.buildings.length - 1].width, y: sketch.height - newHeight, width: newWidth, height: newHeight, color: this.color })); results.push(totalWidth += newWidth); } return results; }; Skyline.prototype.update = function() { var firstBuilding, lastBuilding, newHeight, newWidth; this.x -= (sketch.mouse.x * this.speed) * dt; firstBuilding = this.buildings[0]; if (firstBuilding.width + firstBuilding.x + this.x < 0) { newWidth = round(random(this.width.min, this.width.max)); newHeight = round(random(this.height.min, this.height.max)); lastBuilding = this.buildings[this.buildings.length - 1]; firstBuilding.reset({ layer: this.layer, x: lastBuilding.x + lastBuilding.width, y: sketch.height - newHeight, width: newWidth, height: newHeight, color: this.color }); return this.buildings.push(this.buildings.shift()); } }; Skyline.prototype.render = function() { var i; i = this.buildings.length; sketch.save(); sketch.translate(this.x, (sketch.height - sketch.mouse.y) / 20 * this.layer); while (i--) { this.buildings[i].render(i); } return sketch.restore(); }; sketch.setup = function() { var i, results; i = 5; results = []; while (i--) { results.push(skylines.push(new Skyline({ layer: i + 1, width: { min: (i + 1) * 30, max: (i + 1) * 40 }, height: { min: 150 - (i * 35), max: 300 - (i * 35) }, speed: (i + 1) * .003, color: 'hsl( 200, ' + (((i + 1) * 1) + 10) + '%, ' + (75 - (i * 13)) + '% )' }))); } return results; }; sketch.clear = function() { return sketch.clearRect(0, 0, sketch.width, sketch.height); }; sketch.update = function() { var i, results; dt = sketch.dt < .1 ? .1 : sketch.dt / 16; dt = dt > 5 ? 5 : dt; i = skylines.length; results = []; while (i--) { results.push(skylines[i].update(i)); } return results; }; sketch.draw = function() { var i, results; i = skylines.length; results = []; while (i--) { results.push(skylines[i].render(i)); } return results; }; $(window).on('mousemove', function(e) { sketch.mouse.x = e.pageX; return sketch.mouse.y = e.pageY; });
}).call(this);
Canvas Parallax Skyline - Script Codes
Canvas Parallax Skyline - Script Codes
Home Page Home
Developer Jack Rugile
Username jackrugile
Uploaded August 11, 2022
Rating 4.5
Size 4,871 Kb
Views 42,504
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