Dear Pranav!
Thank you very much. Now I can get my dream true.
Thanx once again.
Mahmood.
on 6/13/01 10:12 AM, [EMAIL PROTECTED] at [EMAIL PROTECTED]
wrote:
>
> What you really need is something like this:
>
> on mEllipsePath vSpritenum, vTheta, vCenter, vRadX, vRadY
> -- Moves a sprite(vSpritenum) along a circular or elliptical
> -- path. The radii of the path are specified by vRadX and vRadY
> -- vCenter indicates the center of the path
> -- e.g. mEllipsePath (1, 34.42, [30, 30], 40, 30)
>
> -- If Y axis radius has been omitted then default to X axis radius
> if VOIDP(vRadY) then
> vRadY = vRadX
> end if
>
> -- Calculate the new location
> x = vRadX * sin(vTheta) + vCenter[1]
> y = vRadY * cos(vTheta) + vCenter[2]
> -- Place the sprite
> sprite(vSpritenum).loc = point(x, y)
> updateStage
> end mEllipsePath
>
> I've pulled it out of my toolkit and its pretty much general. Customise it
> as you wish.
>
> HTH.
>
> Regards,
> Pranav
> -----------------------------------------------------------
> "Simply stated, it is sagacious to eschew obfuscation."
> --Norman Augustine
>
>
>
> <snip>
>>> Actually I was thinking like Univers that there are
>>> two point of the Earth. First is Sun and second is it own center. It
> makes a
>>> round arround the Sun and also its own center point.
>>
>> Mahmood,
>>
>> It sounds like you want two sprites--one for the earth, one for the sun.
>>
>> For the Earth's rotation, you could set the rotation property of the
>> Earth's sprite. For the Earth's orbital movement, you could calculate the
>> path relative to the sun's regpoint and move the Earth sprite. You could
>> even change the Earth sprite's size and z location to give the impression
>> of perspective and moving in front of/behind the Sun.
>>
> <snip>
>
>
>
>
>
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>
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