Re: Line Problem

On Jan 6, 2005, at 9:47 PM, Willian Filus wrote:

> I am not obtaining to draw a line between two balls, somebody I could 
> give an aid to me

>                          self set-color to (1.0, 0.0, 0.0).
>
>                         self set-shape to (new Sphere init-with radius 
> .1).
>
>                         self add-line to Ball2 with-color (1.0, 1.0, 
> 0.0).

"Ball2" is the name of one of your classes.  You can't add a line to the
class itself, you have to add a line to an instance of the class.

>                         theBall = new Ball.
>
>                         theBall2 = new Ball2.
>
>                         theBall3 = new Ball3.

So here you've created an instance of each of these three classes.  To 
add
a line between two of them, you would do:

	theBall add-line to theBall2 with-color (1.0, 1.0, 0.0).


- jon klein

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