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What is x and y in a frame from an .SPR sprite file?
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Topic: What is x and y in a frame from an .SPR sprite file? (Read 1768 times)
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jon
Giant Spider
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Posts: 11
What is x and y in a frame from an .SPR sprite file?
«
on:
March 14, 2024, 01:49:20 AM »
In
http://wiki.dark-omen.org/do/Updated_Sprite_Format,
we have:
signed short X; // = X position of this frame
signed short Y; // = Y position of this frame
But I don't really get what they are meant to be used for. For example, here's a random set of x,y,width,height from one sprite's frame:
x: -23, y: -31, width: 49, height: 31
Even in this example, if the sprite is 31 pixels tall, what could a y position of -31 be referring to?
Any ideas?
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olly
Global Spokesperson
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Posts: 2300
Re: What is x and y in a frame from an .SPR sprite file?
«
Reply #1 on:
March 15, 2024, 12:06:02 AM »
Good question and will investigate on the weekend and maybe refers to distance to the centre point like with Rob's rdose. When using it I position each frame over the red dot, so the animation is aligned properly.
http://en.dark-omen.org/downloads/view-details/1.-modding-tools/3.-sprite-editors/rdose.html
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and back in Nuln, the ageing Graf Berhardt smiled his secret smile of pride whenever he heard the latest tales of his eldest son's ever growing chain of glorious victories -(sothr manual)
jon
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Posts: 11
Re: What is x and y in a frame from an .SPR sprite file?
«
Reply #2 on:
March 17, 2024, 04:03:34 AM »
After some quick experimenting, I was able to find out some info, but I don't have a definitive answer for whether we can say x and y are for purpose P for every sprite (I could still be wrong).
I wrote my findings up here so it was easier to attach images:
https://gist.github.com/jonathaningram/79fe2fdf331f6b98c2e4542c83e625e0
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olly
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Posts: 2300
Re: What is x and y in a frame from an .SPR sprite file?
«
Reply #3 on:
March 17, 2024, 11:55:21 PM »
Well done, good research.
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and back in Nuln, the ageing Graf Berhardt smiled his secret smile of pride whenever he heard the latest tales of his eldest son's ever growing chain of glorious victories -(sothr manual)
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