January 2018
Intermediate to advanced
678 pages
20h 16m
English
Content preview from Web Programming with HTML5, CSS, and JavaScript
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12.11 Moving Face Web Page
As promised, in this section, we present a complete web page that applies transformation operations to the previous Face web page. This time we use black for the face’s lines instead of orange. But other than that, the new page displays the face the same as before, with the face centered and upright. The new web page adds Rotate and Up buttons below the face. Clicking the Rotate button causes the face to rotate one-eighth of a complete revolution clockwise. Clicking the Up button causes the face to move up by one-third of the circle’s radius, where “up” means in the direction of the face’s forehead. Take a look at FIGURE 12.18, which shows what happens after the user clicks the Rotate button once and then the Up ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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