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情人节浪漫3D照片墙【附源码】

2022-08-04 12:18:00 【JavaPub-rodert】

情人节浪漫3D照片墙【附源码】

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文章目录

1 前言

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2 正文

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2.1 展示预览

14MB GIF可以欣赏：
https://tvax2.sinaimg.cn/large/007F3CC8ly1h4qh07nejlg30zp0lqx70.gif

在这里插入图片描述

2.2 项目结构

在这里插入图片描述

2.2 主要代码展示


<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8" />
		<title>制作3D浪漫炫酷相册</title>
		<style type="text/css">
			* {
    
				margin: 0;
				padding: 0;
				list-style-type: none;
			}
			body {
    
				perspective: 5000px;
			}
    <header class="navbar navbar-inverse" role="banner">
      <div class="navbar-header">
        <button type="button" class="navbar-toggle pull-left" data-toggle="collapse" data-target="#navbar-collapse">
          <span class="sr-only">Toggle navigation</span>
          <span class="icon-bar"></span>
          <span class="icon-bar"></span>
          <span class="icon-bar"></span>
        </button>
        <a class="navbar-brand" href="index.html" title="Elementary HTML5 Canvas Game Engine based on Backbone."><img src="apple_touch_icon.png" /> Backbone Game Engine</a>
      </div>
      <div id="navbar-collapse" class="collapse navbar-collapse" role="navigation">
        <ul class="nav navbar-nav">
          <li><a href="index.html">Documentation</a></li>
          <li><a href="examples.html">Examples</a></li>
        </ul>
        <ul class="nav navbar-nav navbar-right">
          <li class="github-icon"><a href="https://github.com/martindrapeau/backbone-game-engine" title="Fork me on Github"><img src="docs/github.png" />Github</a></li>
        </ul>
      </div>
    </header>

    <div class="container">
    <div class="row">
          <p>
            Gravity is implemented with a positive <code>yAcceleration</code>. Unless atop a tile, our character will fall. However it is constrained by the extent of the <code>Backbone.World</code> it is contained in. And will therefore stop falling when the bottom is reached.
          </p>
          <h4>Collisions</h4>
          <p>
            Our character detects collisions either from tiles or other characters to constrain its movements. It does so using collision detection method <code>findCollidings</code> from <code>Backbone.World</code>. Every <code>update</code>, collisions with other sprites are detected on the outline of the sprite:
          </p>
          <p>
            <img class="img-responsive" src="docs/hero-collisions.png" alt="Hero Collisions" />
          </p>
          <p>
            Collisions are only handled when necessary. For instance, when jumping collisions are handled top and right only. The decision is based on looking at <code>velocity</code> and <code>yVelocity</code>. For gravity, a check is performed every time at the bottom of the sprite to land or to fall.
          </p>
          <pre>
var bottomWorld = this.world.height() + 
      </div>

      <div id="documentation-Button" class="row">
        <div class="col-md-12">
          <h3>Backbone.Button</h3>
          <p>
            <code>Backbone.Button</code> is a <code>Backbone.Element</code> which listens to tap/click events and triggers a <code>tap</code> event when pressed. When pressed there is a grow-shrink animation to give the user feedback.
          </p>
          <h4>Usage</h4>
          <pre>
var button = new Backbone.Button({
    
  x: 4, y: 4, width: 52, height: 52, borderRadius: 5,
  img: "#icons", imgX: 0, imgY: 0, imgWidth: 32, imgHeight: 32, imgMargin: 10
});
button.on("tap", function() {
    
  console.log("button tapped!");
});
</pre>
        </div>
      </div>

      <div id="documentation-DebugPanel" class="row">
        <div class="col-md-12">
          <h3>Backbone.DebugPanel</h3>
          <p>
            <code>Backbone.DebugPanel</code> is a Backbone model on which you set attributes to be dumped on screen. Upon draw, it will <code>JSON.stringify</code> attributes.
          </p>
          <h4>Events</h4>
          <ul>
            <li><code>update(dt)</code>: No-op. Simply returns true.</li>
            <li><code>draw(context)</code>: Draws the debug information on screen.</li>
            <li><code>attach</code>: Triggered when the sprite is attached to the engine.</li>
            <li><code>detach</code>: Triggered when the sprite is detached to the engine.</li>
          </ul>
          <h4>Usage</h4>
          <pre>
var debugPanel = new Backbone.DebugPanel();
var engine = new Backbone.Engine({
    }, {
    
  debugPanel: debugPanel
});
engine.add(debugPanel);

debugPanel.set({
    hello: "Word"});
// Draws this on screen
// {
    "fps": 58, "ct": 7, "hello": "World"}

debugPanel.set({
    hello: "Dolly"});
// {
    "fps": 58, "ct": 7, "hello": "Dolly"}

debugPanel.unset("hello");
// {
    "fps": 58, "ct": 7}
</pre>
          <p>
            In the above example, the debug panel is created. It is added to the engine as a model to draw. It is also passed as an option to the engine so it can output <code>fps</code> and <code>ct</code> (cycle time).
          </p>
          <p>
            We manually add attribute <code>hello</code> to be tracked. Whenever it changes, so does the print out on screen. Use <code>unset</code> to remove a tracked attribute.
          </p>
          <h4>Conditional Usage</h4>
          <p>
            It is recommended that you support the non-existence of the debug panel with an <code>if (this.debugPanel)</code> statement before setting. For example, when you extend a class, pass in the debug panel as an option. Then, in your code, check to see if it exists. For example, this is done in the <code>Backbone.Engine.draw</code> method:
          </p>
          <pre>if (this.debugPanel) this.debugPanel.set({
    fps: this.fps, ct: this.cycleTime});</pre>
          <p>
            This supports the case where the debug panel is never created (<code>debugPanel</code> = <code>undefined</code>), such as in production.
          </p>
        </div>
      </div>

      <div id="documentation-Shapes" class="row">
        <div class="col-md-12">
          <h3>Shape functions</h3>
          <p>
            File <code>shapes.js</code> contains helper functions to draw elementary shapes in the 2d drawing context of a canvas. You are free to use direct methods on the context to draw. These are provided as convenience. The functions are added to the global scope, under <code>window</code>. Supported functions are:
          </p>
          <pre>
drawRect(ctx, x, y, width, height, fill, stroke)
drawCircle(ctx, x, y, radius, fill, stroke)
drawRoundRect(ctx, x, y, width, height, radius, fill, stroke)
</pre>
          <p>
            I encourage you to add your own. If you do, respect these recommendations:
          </p>
          <ul>
            <li>Functions take as first argument <code>ctx</code> the drawing context.</li>
            <li>Second and third arguments should be <code>x</code> and <code>y</code> coordinates.</li>
            <li>Last arguments should be <code>fill</code> the fill style, and <code>stroke</code> the stroke style. They should be optional if possible.</li>
          </ul>
        </div>
      </div>

      <div id="mobile-devices" class="row">
        <div class="col-md-12">
          <h1>Mobile Devices</h1>
          <p>
            Backbone Game Engine was built for mobile first.
          </p>
          <h3>Touch Events</h3>
          <p>
            <a href="#documentation-Engine">Backbone.Engine</a>, <a href="#documentation-Input">Backbone.Input</a>, <a href="#documentation-Button">Backbone.Button</a> and <a href="#documentation-WorldEditor">Backbone.WorldEditor</a> support touch and mouse events transparently. Works on Android, iOS and Windows.
          </p>
          <h3>Viewport resizing and canvas centering</h3>
          <p>
            On mobile devices, the <code>meta</code> tag <code>viewport</code> is set to 960 pixels wide.
            On iOS, Android and Windows mobile devices, this will ensure the canvas is full width.
            The HTML file contains the necessary header tags to ensure everything works.
            You can change the viewport width value to whatever you want.
          </p>
<pre>
&lt;meta name="viewport" content="width=960, user-scalable=no"/&gt;
&lt;meta name="mobileoptimized" content="0" /&gt;
</pre>
          <p>
            Not all screens have the same aspec ratio.
            To take care of the height, you can change the height of the canvas upon start by calling the global function <code>adjustViewport()</code> (see file <code>adjust-viewport.js</code> for details).
          </p>
<pre>
var canvas = document.getElementById("foreground");
adjustViewport(canvas);
</pre>
          <p>
            If you want to maintain the aspect ratio, pass true. The canvas will be centered on screen.
          </p>
<pre>
var canvas = document.getElementById("foreground");
adjustViewport(canvas, true);
</pre>
        <p>
          On desktop the <code>viewport</code> meta tag is ignored.
          <code>adjustViewport</code> will center the canvas, even handling resizes.
          It will try to reduce the height of the canvas if too tall unless you omit the <code>keepRatio</code> argument.
        </p>
        <h3>Web App</h3>
        <p>
          These meta tags are set to enable Web App support:
        </p>
<pre>
&lt;meta name="apple-mobile-web-app-capable" content="yes" /&gt;
&lt;meta name="mobile-web-app-capable" content="yes" /&gt;
&lt;meta name="apple-mobile-web-app-status-bar-style" content="black-translucent"/&gt;
</pre>
        <p>
          To suggest users to put add the home page to the home screen, checkout this great plugin:
          <a href="https://github.com/cubiq/add-to-homescreen" target="_blank">Cubiq's Add To Homescreen</a>. </p> </div> </div> <div id="going-offline" class="row"> <div class="col-md-12"> <h1>Going Offline</h1> <p> With <a href="https://developer.apple.com/library/safari/documentation/iphone/conceptual/safarijsdatabaseguide/offlineapplicationcache/offlineapplicationcache.html" target="_blank">HTML Application Cache</a>, you can go offline with your game. <a href="super-mario-bros/index.html" target="_blank">Super Mario Bros level 1-1</a> uses the application cache. The first time your browser loads that page, it will save the web page, along with all assets in its application cache. Subsequent visits will load these from the application cache instead of the server. </p> <div class="alert alert-info"> Note: Application Cache only works when loaded from a server. It will not if you have forked the repo, and are loading the file from your disk (<code>file:///</code>). That's good because under development, we want to load the new code every refresh.
          </div>
          <p>
            If you have Google Chrome, open the console and you will see this:
          </p>
          <pre>
Creating Application Cache with manifest http://martindrapeau.github.io/backbone-game-engine/super-mario-bros/offline.appcache
Application Cache Checking event martindrapeau.github.io/:1
Application Cache Downloading event martindrapeau.github.io/:1
Application Cache Progress event (0 of 23) http://martindrapeau.github.io/backbone-game-engine/3rd/qtree.js
Application Cache Progress event (1 of 23) http://martindrapeau.github.io/backbone-game-engine/src/input.js
...
Application Cache Progress event (22 of 23) http://martindrapeau.github.io/backbone-game-engine/super-mario-bros/super-mario-enemies-2x.png
Application Cache Progress event (23 of 23)
Application Cache Cached event 
</pre>
          <p>
            Subsequent times, you will see this:
          </p>
          <pre>
Document was loaded from Application Cache with manifest http://martindrapeau.github.io/backbone-game-engine/super-mario-bros/offline.appcache
Application Cache Checking event
Application Cache NoUpdate event
</pre>
        <h3>Manifest File</h3>
        <p>
          Using an Application Cache is dead simple. First you must add the <code>manifest</code> attribute to your HTML tag. It points to the manifest file:
        </p>
        <pre>
&lt;!doctype html&gt;
&lt;html manifest="offline.appcache"&gt;
    &lt;head&gt;
</pre>
          Second, create the <code>manifest</code> file. It contains files that must be cached. For example here is the <code>offline.appcache</code>:
        </p>
        <pre>
CACHE MANIFEST
# Version 0.11 (c) 2014-2015 Martin Drapeau

../3rd/qtree.js
../3rd/underscore.js
../3rd/backbone.native.js
../3rd/backbone.js

../src/input.js
../src/shapes.js
../src/core.js
../src/world.js
../src/local-storage.js
../src/camera.js
../src/editor.js
../src/hero.js

mario.js
tiles.js
artifacts.js
enemies.js
display.js
level_1-1.js
main.js

super-mario-2x.png
super-mario-tiles-2x.png
super-mario-enemies-2x.png
icons.png
</pre>
          <p>
            If you have server requests, you can add a <code>NETWORK</code> section. Consult the docs for details.
          </p>
          <p>
            Fianally, the comment with <code>Version 0.11</code> is important. When a new version of Super Mario Bros level 1-1 is released, the version number is increased to force the browser to reload the files. It will also trigger an <code>updateready</code> event which gets captured to show a download button. That informs the user a new version is ready to be downloaded. Clicking on that button simply refreshes the browser to reload the new version.
          </p>
        </div>
      </div>

      <div id="persistence" class="row">
        <div class="col-md-12">
          <h1>Persistence</h1>
          <p>
            Backbone offers RESTful persistence via <a href="http://backbonejs.org/#Sync" target="_blank">Backbone.sync</a>. Models have methods <code>fetch</code> and <code>save</code> to retrieve/send the model/collection JSONified data to/from the server. As such, you can easily implement server-side persistence using well established RESTful standards.
          </p>
          <p>
            In our Super Mario Bros example, we use <a href="https://developer.apple.com/library/safari/documentation/iPhone/Conceptual/SafariJSDatabaseGuide/Name-ValueStorage/Name-ValueStorage.html" target="_blank">local storage</a> instead. This is done by overriding <code>Backbone.World</code> methods <code>save</code> and <code>fetch</code>. See file <code>src/local-storage.js</code> for details.
          </p>
        </div>
      </div>

      <div id="performance" class="row">
        <div class="col-md-12">
          <h1>Performance and Debugging</h1>

            <li><a href="http://blog.artillery.com/2012/10/browser-garbage-collection-and-framerate.html" target="_blank">Browser Garbage Collection and Frame Rate</a></li>
            <li><a href="https://www.scirra.com/blog/76/how-to-write-low-garbage-real-time-javascript" target="_blank">How to write low garbage real-time Javascript</a></li>
            <li><a href="http://www.html5rocks.com/en/tutorials/canvas/performance/" target="_blank">Improving HTML5 Canvas Performance</a></li>
          </ul>
        </div>
      </div>

      <div id="publishing" class="row">
        <div class="col-md-12">
          <h1>Publishing your Game</h1>
          <h2>On the Web</h2>
          <p>
            If you forked this repo, your game is already published on the web on your Github page under <code>[username].github.io/backbone-game-engine</code>.
          </p>
      <div id="change-log" class="row">
        <div class="col-md-12">
          <h1>Change Log</h1>
          <h4>0.40 - TBD</h4>
          <ul>
            <li>Upcoming release to include bug fixes, improvements and new features to come following the release to iOS of Ludo's Quest.</li>
          </ul>
          <h4>0.30 - 2015-03-22</h4>
          <ul>
            <li>Backbone.Element - a rudimentary DOM element with image, text and animations.</li>
            <li>Backbone.World now uses a QuadTree for collision detection.</li>
            <li>Removed dependence on hammer.js. Backbone.Engine now triggers tap and key events.</li>
            <li>Complete rewrite of Backbone.Input. Removed its pause button.</li>
            <li>Complete rewrite of Backbone.Character.</li>
            <li>Complete rewrite of Backbone.Hero.</li>
            <li>Backbone.Editor now resizes sprites to fit in the specified tileWidth and tileHeight.</li>
            <li>Rewrite of adjustViewport global function to work cross-device.</li>
            <li>Official support of CocoonJS canvas+.</li>
          </ul>
          <h4>0.21 - 2015-02-06</h4>
          <ul>
            <li>Sprite padding</li>
            <li>More efficient gamepad drawing</li>
            <li>Editor: paging, shrink large sprites, highlight tiles</li>
            <li>World: z-index, tap event,key event, fixed background image, improved sprite lookup, bug fixes</li>
          </ul>
          <h4>0.20 - 2014-12-31</h4>
          <p>
            Major improvements including:
            <ul>
              <li>Performance improvements.</li>
              <li>Fast sprite lookup.</li>
              <li>Faster dynamic and static drawing.</li>
              <li>Efficient collision detection.</li>
              <li>Character and hero knockout and dying.</li>
              <li>Bug fixes.</li>
            </ul>
          </p>
          <h4>0.11 - 2014-11-12</h4>
          <p>
            Adjust viewport on orientation change, and center canvas.
          </p>
          <h4>0.10 - 2014-05-19</h4>
          <p>
            Initial release.
          </p>
        </div>
      </div>

    </div>

    <div class="col-md-3">
      <div id="sidebar" class="bs-sidebar affix">
        <ul class="nav bs-sidenav">
          <li class="active"><a href="#introduction">Introduction</a></li>
          <li><a href="#getting-started">Getting Started</a></li>
          <li><a href="#documentation">Reference</a></li>
          <li><a href="#documentation-Engine">&nbsp;&nbsp;Backbone.Engine</a></li>
          <li><a href="#documentation-SpriteSheet">&nbsp;&nbsp;Backbone.SpriteSheet</a></li>
          <li><a href="#documentation-SpriteSheetCollection">&nbsp;&nbsp;Backbone.SpriteSheetCollection</a></li>
          <li><a href="#documentation-Sprite">&nbsp;&nbsp;Backbone.Sprite</a></li>
          <li><a href="#documentation-Input">&nbsp;&nbsp;Backbone.Input</a></li>
          <li><a href="#documentation-World">&nbsp;&nbsp;Backbone.World</a></li>
          <li><a href="#documentation-WorldEditor">&nbsp;&nbsp;Backbone.WorldEditor</a></li>
          <li><a href="#documentation-Character">&nbsp;&nbsp;Backbone.Character</a></li>
          <li><a href="#documentation-Hero">&nbsp;&nbsp;Backbone.Hero</a></li>
          <li><a href="#documentation-Camera">&nbsp;&nbsp;Backbone.Camera</a></li>
          <li><a href="#documentation-Clock">&nbsp;&nbsp;Backbone.Clock</a></li>
          <li><a href="#documentation-Element">&nbsp;&nbsp;Backbone.Element</a></li>
          <li><a href="#documentation-Button">&nbsp;&nbsp;Backbone.Button</a></li>
          <li><a href="#documentation-DebugPanel">&nbsp;&nbsp;Backbone.DebugPanel</a></li>
          <li><a href="#documentation-Shapes">&nbsp;&nbsp;Shape functions</a></li>
          <li><a href="#mobile-devices">Mobile Devices</a></li>
          <li><a href="#going-offline">Going Offline</a></li>
          <li><a href="#persistence">Persistence</a></li>
          <li><a href="#performance">Performance</a></li>
          <li><a href="#publishing">Publishing</a></li>
          <li><a href="#change-log">Change Log</a></li>
        </ul>
      </div>
    </div>

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          &copy; 2014 <a href="http://martindrapeau.tumblr.com/">Martin Drapeau.</a>
          <a href="https://github.com/martindrapeau/backbone-game-engine/blob/gh-pages/LICENSE">Licensed under MIT.</a>
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