alice-teacher Can a project modified in NetBeans be re-opened by Alice 3.4?

[Don Slater]

Mourad,
In my code, where I have the wolf saying hello, you should put in statements or a procedure that would have the colliding object back away (maybe turn as well)…

The collision detection system in Alice is not perfect , it will always be possible for one Alice object to go through another object if it moves fast enough, or a far enough distance (for example, if you tell the alien to move forward 10 meters, and the wolf is five meters in front of it, changes are the alien will go through the wolf…) It is best to have an object move small distances at a time so that the Alice system has time to check and react to the collision if and when it occurs…

All the best,
Don Slater

Alice Project

> On May 12, 2018, at 6:26 PM, Azer, Mourad <MOURAD.AZER at det.nsw.edu.au> wrote:
> 
> ​Hi Don
> 
> Thank you for your response. In your example I can't stop the alien from going through the wolf (coming from any direction).
> My question is how do we stop objects going through walls regardless of their  movement direction?
> 
> Kind regards
> 
> Mourad 
>  
> From: alice-teachers <alice-teachers-bounces+mourad.azer=det.nsw.edu.au at lists.andrew.cmu.edu> on behalf of Don Slater <dslater at andrew.cmu.edu>
> Sent: Sunday, 13 May 2018 7:25 AM
> To: Alice Teachers
> Subject: Re: alice-teacher Can a project modified in NetBeans be re-opened by Alice 3.4?
>  
> Mourad,
> I have created and attached a world in which the big bad wolf responds to the alien colliding with it from any angle, forward, backward, left, right. What it will show, however is that the alien has to completely clear the collision zone (essentially the intersection of the two bounding boxes for the objects) for another collision to register…
> 
> You may have some success using the Proximity event which allows you to modify the collision distance zone somewhat.
> 
> Please let me know if you are finding something different with your world, perhaps even send us an example if you are not seeing the same thing.
> 
> All the best,
> Don Slater
> 
> Alice Project
> 
> 
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