December 2010
Intermediate to advanced
110 pages
2h 31m
English
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Name
CRC.rotate() — adds a rotation to current transform
Synopsis
void rotate(float angle)Arguments
angleThe rotation, in radians. Positive values result in clockwise rotation, and negative values result in counterclockwise rotation.
Description
This method alters the current transformation matrix so that any
subsequent drawing appears rotated within the canvas by the specified
angle. It does not rotate the <canvas> element
itself. Note that the angle is specified in radians. To convert degrees
to radians, multiply by Math.PI and divide by
180.
See Also
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.