On Thu, Sep 9, 2010 at 1:48 PM, Dr Mark William Wright <[email protected] > wrote:
> hi > maybe the difference is that you need to take into account that the > default camera is some distance away already and its not set to 1. If the > default distance was 2 units then another z unit would need 0.667 shrink to > simulate. > > > regards > > Mark > ....and maybe* not.* You may wish to consider testing what you are relating about unit size. Moving something back 2 units in z ends up with something that isn't 1/4 size of something that is at z=0. Your statements are invalid. -George Toledo > Quoting George Toledo <[email protected]>: > > Last night, I pushed a sprite back in z one unit and a sprite that wasn't >> pushed back was something like. 637 to be the same size when at z equals >> 0. >> >> On Sep 9, 2010 1:05 PM, "Dr Mark William Wright" <[email protected]> >> wrote: >> >>> hi >>> isnt it just 1/n? >>> 1 unit away same size >>> 2 units away 1/2 size >>> 3 units away 1/3 size >>> 4 units away 1/4 size etc >>> >>> regards >>> >>> Mark >>> >>> >>> Quoting George Toledo <[email protected]>: >>> >>> What kind of equation would be needed to utilize Z coordinates in QC in >>>> a >>>> way that doesn't change Z translation, but could be used to reduce X/Y >>>> >>> scale >> >>> in a way that makes the object appear to be equivalent size that they >>>> >>> would >> >>> be if translated in Z? In addition, is it possible to emulate the >>>> >>> apparent >> >>> reduction/exaggeration of horizontal or vertical movement of a sprite as >>>> >>> it >> >>> is moved in z by performing math on x/y translations on an object where z >>>> isn't at 0? >>>> >>>> Forgetting the x/y translate, it would be nice to know the equation to >>>> >>> make >> >>> a sprite the same size it is at z=-1, z=-2, z=-3 and so on, by >>>> >>> manipulating >> >>> x/y scale for instances when one wants everything to work in only 2 >>>> dimensions. The relation isn't linear, and I'm not sure how to back into >>>> >>> it. >> >>> >>>> If this has been covered, forgive me. >>>> >>>> -George Toledo >>>> >>>> >>> >>> >>> ---------------------------------------------------------- >>> Dr Mark William Wright Do contact me by mobile rather than phone >>> School of Informatics PHONE: Mobile: (+44)07708497570 >>> WEBSITE: http://edinburgh.academia.edu/MarkWright >>> School of Informatics TWITTER: http://twitter.com/dr_mark_wright >>> Informatics Forum >>> 10 Crichton Street >>> Edinburgh >>> EH8 9AB >>> ---------------------------------------------------------- >>> >>> -- >>> The University of Edinburgh is a charitable body, registered in >>> Scotland, with registration number SC005336. >>> >>> >>> _______________________________________________ >>> Do not post admin requests to the list. They will be ignored. >>> Quartzcomposer-dev mailing list ([email protected]) >>> Help/Unsubscribe/Update your Subscription: >>> >>> >> http://lists.apple.com/mailman/options/quartzcomposer-dev/gtoledo3%40gmail.com >> >>> >>> This email sent to [email protected] >>> >> >> > > > ---------------------------------------------------------- > Dr Mark William Wright Do contact me by mobile rather than phone > School of Informatics PHONE: Mobile: (+44)07708497570 > WEBSITE: http://edinburgh.academia.edu/MarkWright > School of Informatics TWITTER: http://twitter.com/dr_mark_wright > Informatics Forum > 10 Crichton Street > Edinburgh > EH8 9AB > ---------------------------------------------------------- > > -- > The University of Edinburgh is a charitable body, registered in > Scotland, with registration number SC005336. > > >
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