[Golist] Sneek peak at DepthTween

[donovan at hydrotik.com]

This is great Joel! Very useful.

Personally I would go for a center/middle registration point just because
it¹s standard with most 3D environments, but some conversion methods would
definitely be useful:)

Looking forward to seeing what comes of this.

Donovan


On 6/23/08 8:10 PM, "Joel Stransky" <joel at stranskydesign.com> wrote:

> Hey peeps,
> My first Go package is finally taking shape. It's very early in development
> but I couldn't wait to show you all.
> I really wanted to have this done in time for flashbelt but hey, maybe next
> time. :)
> DepthTween is a 2.5D position manager. It basically manages a list of objects
> and updates their stacking order when any of their draw() methods are called.
> You first create an instance of DepthManager and pass a
> DisplayObjectContainer. Children of that DOC can then be initialized and have
> 3d tween methods called on them.
> 
> http://lab.stranskydesign.com/depthTween.html
> 
> 
> Currently I'm struggling with what form of virtual x and virtual y to go with.
> The goal of the class is to simply add a z property to existing
> DisplayObjects. Currently I'm using a right-hand system which makes calling
> 3dtweens a little weird if you're not used to thinking in 3d as an objects
> 0,0,0 point becomes the center of the DisplayObjectContainer and half way
> between the foreground and background instead of the upper left corner like
> we're used to.
> 
> The catch is, if I keep x and y relative to the upper left corner (reverse
> cartesian), you still have to get used to thinking in terms of those
> coordinates augmented by z-depth.
> 
> I've got a lot of planned features and although it's very early I'd appreciate
> any feedback/questions/suggestions.


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