- Action 1
- Action 2
- Action 3
Instructions often need some extra explanation so that they make sense, so they are followed with:
This heading explains the working of tasks or instructions that you have just completed.
You will also find some other learning aids in the book, including:
These set practical challenges and give you ideas for experimenting with what you have learned.
You will also find a number of styles of text that distinguish between different kinds of information. Here are some examples of these styles, and an explanation of their meaning.
Code words in text are shown as follows: "Open the file ch1_Canvas.html using one of the supported browsers."
A block of code is set as follows:
<!DOCTYPE html>
<html>
<head>
<title> WebGL Beginner's Guide - Setting up the canvas </title>
<style type="text/css">
canvas {border: 2px dotted blue;}
</style>
</head>
<body>
<canvas id="canvas-element-id" width="800" height="600">
Your browser does not support HTML5
</canvas>
</body>
</html>
When we wish to draw your attention to a particular part of a code block, the relevant lines or items are set in bold:
<!DOCTYPE html>
<html>
<head>
<title> WebGL Beginner's Guide - Setting up the canvas </title>
<style type="text/css">
canvas {border: 2px dotted blue;}
</style>
</head>
<body>
<canvas id="canvas-element-id" width="800" height="600">
Your browser does not support HTML5
</canvas>
</body>
</html>
Any command-line input or output is written as follows:
--allow-file-access-from-files
New terms and important words are shown in bold. Words that you see on the screen, in menus or dialog boxes for example, appear in the text like this: "Now switch to camera coordinates by clicking on the Camera button."