alice-teacher looking for some info

[Karen]

Thanks all for the responses... I will have the students check them out
today!  What a great forum this is.

Karen Gayowsky
ICS Teacher
St. Anne's High School

On Fri, Nov 11, 2011 at 11:09 AM, James Vanderhyde <
jvanderhyde at benedictine.edu> wrote:

>  OK, then, I will assume that the student has an event that calls some
> method when the up key is typed. Within the method, instead of simply
> moving forward, put the code to move forward inside an IF block. The
> condition on the IF will check the distance to the bush, and only allow the
> forward movement if the distance is greater than a certain amount. (Dr.
> Slater just posted some instructions to help with the distance check.)
>
> This will work for one bush. If you have several bushes, you need a
> similar condition for each bush, and you can connect them with an AND.
>
> This will quickly get tedious for more than 2 or 3 bushes, so a better
> approach would be to write a function that loops through a list of bushes
> and checks the distance to each one. The function returns true if the
> distance in front of the girl object is clear of objects.
>
>
> James
> --
> Dr. James Vanderhyde
> Math and Computer Science
> Benedictine College
> jvanderhyde at benedictine.edu
> http://vanderhyde.us/~james/pro/
>
>
>
> On 11/11/11 9:58 AM, "Karen" <kgayowsky1 at gmail.com> wrote:
>
> Thank you for your reply Dr. Vanderhyde.
>
> The students are just now writing events and event handling methods.  I
> believe she is using the arrows up and down to control the walking of her
> object, but she wants the girl to be stopped and not be allowed to even by
> accident to go through the bushes.
>
> Thanks for any suggestions
>
> Karen Gayowsky
> ICS Teacher
> St. Anne's High School
>
> On Fri, Nov 11, 2011 at 10:37 AM, James Vanderhyde <
> jvanderhyde at benedictine.edu> wrote:
>
> This is a bitt difficult, and there are many ways to do it. The topic is
> called "collision detection." My students have implemented it several
> different ways, but none has been completely satisfactory.
>
> How is the girl object controlled? This is important to figuring out the
> best way to handle collisions.
>
> James
> --
> Dr. James Vanderhyde
> Math and Computer Science
> Benedictine College
> jvanderhyde at benedictine.edu <http://jvanderhyde@benedictine.edu>
> http://vanderhyde.us/~james/pro/ <http://vanderhyde.us/%7Ejames/pro/>
>
>
>
>
> On 11/10/11 1:45 PM, "Karen" <kgayowsky1 at gmail.com <
> http://kgayowsky1@gmail.com> > wrote:
>
> Hello All:
> A student of mine is trying to have her object (girl) stop instead of
> going through objects (bushes).
> Can anyone help with that code?  She does not want the object to be able
> to go through another wall type object.
> Thanks in advance for any info
>
> Karen
>
>
>
>


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