alice-teacher Probably an easy question

[Don Slater]

The standard Alice version attempts to hand-off some of the graphics manipulations to the graphics cards of a computer. Slow and Steady Alice was built for those machines whose cards could not handle this functionality (over time, those machines are becoming less common). By and large, you will want to use standard Alice, and only try Slow and Steady Alice if your machines are not rendering the worlds correctly. Performance on Slow and Steady Alice will suffer somewhat. 

I would be interested to know if people still require Slow and Steady…

All the best,
Don Slater

Alice Project


> On Nov 15, 2016, at 12:57 PM, Roger Crowe via alice-teachers <alice-teachers at lists.andrew.cmu.edu> wrote:
> 
> 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 <mailto: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
> 
> 
> <spiderRobots.png>
> 
>> On Nov 15, 2016, at 11:35 AM, Roger Crowe via alice-teachers <alice-teachers at lists.andrew.cmu.edu <mailto: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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