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From: DaveGallant on 24 Jun 2008 11:56
I have several sprites located on the stage. These are puppeted sprites. Here
is the code that I use to create them:
[Q]
c = GetNextChannel(#bitmap) -- get a new free channel
gChannels.append(c) -- add it to our array so we can track used
channels.

sprite(c).puppet = true -- puppet the sprite
sprite(c).scriptInstanceList = [] -- clear any scripts that may have
been on this sprite from a previous use
sprite(c).scriptInstanceList.add(new(script "clsCustomer")) -- add our
character script.
sprite(c).member = void -- remove any previous members. this is needed
otherwise, you can get member problems.
sprite(c).member = member(CustomerType & "_Walk_se_0001", CustomerType)
-- set the member
sprite(c).width = sprite(c).member.image.width -- set the sprite width
and height to the new member size
sprite(c).height = sprite(c).member.image.height
sprite(c).visible = false -- make it not visible until we need it on the
stage
sprite(c).locH = -200 -- Set the starting location
sprite(c).locV = -200
sprite(c).LocZ = gChannelStart -- Set the intial locz to a constant
layer value - in this case, gChannelStart is = to 100
sprite(c).ink = 8 -- set the ink
sprite(c).Initialize(c) -- Call a routine int he character to do all
the stuff I need it to do that would normally be called on a begin sprite
gCurrentLevel.pCustomerSprites.append(sprite(c)) -- add the sprite to
our array of active characters
[/Q]


nothing overly special. GetNextChannel is a routine I wrote which tracks the
channels I use when creating and re-using sprites.

Anyway.... Every once in a while..... for some reason, no matter what I set
the locz to, the sprite is "always on top" of all other sprites. There is code
int he customer class to change it's locz depending on it state, position, etc.
I was able to put a break point in the exitframe routine (where I am doing a
locz check) and managed to find the following:

- the locz of the sprite SAYS it's 20, however, sprites that have a locz
higher than 20 are appearing behind the character
- changing the locz in the message window, followed by an update stage has NO
effect on the character sprite, but it does work for all other sprites on the
stage.
- I can toggle the visibility both on the score and through lingo via the
message window.
- as far as I can tell, directtostage is false.
- some of the sprites are appearing behind the character are in a lower
channel slot than the character (as they were created before the character) but
where given a locz GREATER than the character to force them to be on top.
- There is no 3D, flash, or anything special happening, except all the sprites
are puppets and created using similiar code to the above.

Question: What could cause the locz of a sprite not to work?

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