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AppGameKit Classic Chat / Atlas image help

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Zeerun
AGK Developer
18
Years of Service
User Offline
Joined: 28th Aug 2005
Location: United Kingdom
Posted: 4th Oct 2012 12:29
firstly sorry if I am mistaken and it is not an atlas image I am after

To set the scene, I have 2 images, a backdrop and a platform.
I want to have it so on touch a round sprite is created on top of the platform showing the backdrop behind it.

Can I call an atlas image with just the x,y coordinates? As the circle will always be the same size I could calculate which part of the image to show, then just offset it with the world coordinates?

To make matters worse I may want parallax scrolling as well, meaning all the sprites would need to change, this sounds very resource heavy.

Would it be possible to 'punch' a hole through the top sprite in another way?
I'm considering LOTS of sprites 1x1 pixel then delete sprite upon collision? I could then atlas up my board sprite to 1x1 pixel and concentrate on moving the backdrop for parallax?

Any and all help would be greatly appreciated

Thanks!

I seek perfection but wear my scars with pride
Kobaltic
12
Years of Service
User Offline
Joined: 24th Jan 2012
Location: PA, USA
Posted: 4th Oct 2012 21:02 Edited at: 4th Oct 2012 21:03
Quote: "Can I call an atlas image with just the x,y coordinates?"


Sorta, you set up the coordinates in a .txt file with a name associated with it. Then you simply call the name as you would any other sprite.

Here is my text file. I name the sprite, put in a staring X and Y coordinate then state how big the sprite is in X and Y in pixels.


edit: There is more to setting up atlas then just this. This file determines the coordinates.

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