Le 10/11/14 22:36, Ilya Zakharevich a écrit :
> On Fri, Nov 07, 2014 at 02:39:58PM -0800, Garth Wallace wrote:
>> I'm leaning towards "turned", "left rotated", and "right rotated" for
>> the cardinal orientations,
> …
>
> Please keep in mind that left/right are especially bad terms to
> describe rotations. When you rotate the character cell about its
> center, some parts move to the right, some parts move to the
> left — both when the rotation is clockwise and counterclockwise.
>
> Which of the words left/right LOOKS better suited to describe a
> particular rotation depends on whether the top or the bottom OF WHAT
> YOU ROTATE is more “visually important”. (We saw it many times when
> discussing the math of the rotations with small kids.) Try to rotate
> ↓ left ;-].
>
> (I believe that people associate left ↔ counterclockwise etc only
> because for many shapes, visually, the bottom is just a pedestal
> for the top. So you “grab” the shape “on top”.]
Look at this picture:
http://www.permisecole.com/code-route/priorites/faux-carrefour-a-sens-giratoire.jpg
Imagine you sit in this car and you want to turn RIGHT. What will you
do? Will you turn the driving wheel clockwise or counterclockwise?
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Received on Mon Nov 10 2014 - 17:44:38 CST
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