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Canvas Cookbook

You're reading from   Canvas Cookbook Over 80 simple but creative and structured recipes to explore the capabilities of HTML5 Canvas

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Product type Paperback
Published in May 2019
Publisher
ISBN-13 9781785284892
Length 254 pages
Edition 1st Edition
Languages
Tools
Concepts
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Toc

Table of Contents (11) Chapters Close

Preface 1. Paths and Text 2. Shapes and Composites FREE CHAPTER 3. Animation 4. Images and Videos 5. Interactivity through Events 6. Creating Graphs and Charts 7. 3D Modeling 8. Game Development 9. Interoperability and Deployment Index

Drawing a panorama


A panoramic view is always attractive. Here is an output:

How to do it…

The HTML code:

<html>
<head>
<title>Panorama</title>
<script src="../threeLib/build/three.min.js"></script>
<script src="panorama.js">
</script>
</head>
<body onload="init()">
  <center>
  <canvas width="500" height="400" id="MyCanvasArea" style="border:2px solid blue;" tabindex="0">
    Canvas tag is not supported by your browser
  </canvas>
  <h1>3D rotating sphere using three.js</h1>
  <h1>Use arrow keys to move through the picture.<br>
  Press Enter key or spacebar to reset</h1>
  </center>
</body>
</html>

The JavaScript code:

var can;
var scene;
var camera;
var renderer;
var sphere1,torus1;
var texture;
var rotX=0;
var rotY=0;

function init() {
    can=document.getElementById("MyCanvasArea");
   
    renderer = new THREE.WebGLRenderer({
    canvas: can
    });

 
    scene...
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