alice-teacher Probably an easy question

[Roger Crowe]

Hey Don,

Thanks for your help.  We are using Alice 2.4, Slow and Steady Alice.  I've
never understood why there are 2 applications included but for whatever
reason we've always used Slow and Steady.

Thanks for your help!

On Tue, Nov 15, 2016 at 12:29 PM, Donald Slater via alice-teachers <
alice-teachers at lists.andrew.cmu.edu> wrote:

> This is interesting…
>
> It turns out, what I also assumed was the front of the SpiderRobot’s head
> is oriented differently than the body of the spider robot. And it turns
> out, this has been true for a long time in Alice (I just tested a version
> of the robot from Alice 2.2, released in 2009)…
>
> As often as this exercise and this model has been used, it is surprising
> that we have not caught this before this (at least, I do not remember it
> coming up before this)…
>
> I have attached a screen shot to illustrate. The image has two spider
> robots, and two axes, i have set the point of view of the first axes to the
> entire spiderrobot on the left, and I have set the point of view to the
> second axes to the head of the spider robot on the right.
>
> Thank you for pointing this out…
>
> All the best,
> Don Slater
>
> Alice Project
>
>
>
> On Nov 15, 2016, at 11:35 AM, Roger Crowe via alice-teachers <
> alice-teachers at lists.andrew.cmu.edu> wrote:
>
> I've taught this lesson before but now an Alice object seems to be acting
> differently. In Alien Encounter the spider robot's head, which I thought
> the red visor was actually the front of, when told to *Turn to Face* the
> wheeledrobot, points the back of his head (opposite the red visor) to the
> wheeledrobot.
>
> If I ask the entire Spider robot to *Turn to face* the wheeled robot, the
> red visor and the body point to the wheeledrobot.
>
> What am I missing here?
>
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