On 2017-12-25 02:42, G Yu wrote:
Ah, I get it now. I have to store the acircle.getCenter() in a point Point,
and then access Point.getX() and Point.getY() separately. It was just that
middle step that I was missing. Thanks so much!
It's not strictly true that you _have to_ store the result
Ah, I get it now. I have to store the acircle.getCenter() in a point Point,
and then access Point.getX() and Point.getY() separately. It was just that
middle step that I was missing. Thanks so much!
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On 2017-12-24 02:31, G Yu wrote:
But your code has:
moving_circle.move(P_to_R/P_to_E, E_to_R/P_to_E)
so won't that move the circle and change what:
moving_circle.getCenter()
returns?
Yes, moving the circle changes the value of moving_circle.getCenter(). The problem is
interpretin
> On Dec 23, 2017, at 11:44 AM, G Yu wrote:
>
> My program has two circles: one stationary circle, drawn at a random
> location; and one moving circle, consistently drawn in the same place in the
> graphics window.
>
>
>
> Currently, acircle.getCenter() outputs this:
>
>
>
>
> I don't u
G Yu wrote:
The command gives , and I don't know how to determine the x-coordinate of
the center from that output.
Try this in an interactive session:
p = circle.getCenter()
help(p)
This should give you a page of text showing all the attributes
and methods your point object has. Somewhe
> But your code has:
>
> moving_circle.move(P_to_R/P_to_E, E_to_R/P_to_E)
>
> so won't that move the circle and change what:
>
> moving_circle.getCenter()
>
> returns?
Yes, moving the circle changes the value of moving_circle.getCenter(). The
problem is interpreting the output. The
On 2017-12-23 21:30, G Yu wrote:
I did try that. The problem is that I already declared a point
moving_object_center = (-555,-555), because that's the point I used as the
center to draw the moving_object circle itself. So the
moving_object_center.getX() will return -555 no matter what I do.
I did try that. The problem is that I already declared a point
moving_object_center = (-555,-555), because that's the point I used as the
center to draw the moving_object circle itself. So the
moving_object_center.getX() will return -555 no matter what I do.
That's why I need to calculate the
On 2017-12-23 19:44, G Yu wrote:
My program has two circles: one stationary circle, drawn at a random location;
and one moving circle, consistently drawn in the same place in the graphics
window.
The moving circle moves towards the stationary one. However, when the moving
circle hits the sta
My program has two circles: one stationary circle, drawn at a random location;
and one moving circle, consistently drawn in the same place in the graphics
window.
The moving circle moves towards the stationary one. However, when the moving
circle hits the stationary one (when the x-coordinates
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