Hi all.
I started to write a class ( use lua ) obj with methods: rotation , transition, scale.
then I use this class to create all character's packge like head, arm,.....
now I have a character obj with each part of character have rotation, transition and scale method.
but my problem is:
1. how to one action sync with other ? example; rotation head sync with swing arm,.....
2. what is best way to wirte all action sequence for call when i need?
I personally have a set of classes whose only job is to provide different interpolation types (Easing Equations) these are the popular ones and are easy to implement. I then have another class to which you can pass these interpolators which are "chained" together in the right order.
So, for example, I might have
1)opacity-> 0 to 255 in 2.5 seconds using the linear interpolatr AND size-> 0 to 1 in 2.5 seconds using the out cubic interpolator
2)(the 2nd step starts after the first one) rotate the effect from 0 degrees to 180 degrees in 1 second using the sine interpolator
3) size from 1->0 in 0.5 seconds using the in quadratic interpolator
and so on. I use angelscript (a scripting language) to control these transitions. you could use lua to do the same.
Hope this gives you a fair idea on how to implement something similar :)
~Bollu
thank for reply, but as I was presented .
I was make all transition , rotation , scale. Each of it I can controll Time , radius and scale ratio ,
now I focus on How to sync all trasition and How to make
something like a action Type , in each action Type have many of
transition, rotation, scale of each part of Character object.
I think I need bester structure(architecture) . please advice
The way some games do it is to create a very detailed hierarchical state machine for all the states of the characters animation this includes transition states. They use a combination of procedural animation like Inverse Kinematics with motion targeting and mixed with hand animation overlaid.
See this video for example
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See this page
http://aigamedev.com/open/editorial/animation-revolution/
I'm sure you can adapt a simpler from for your use case, but that's the idea.
Good Luck!
I personally have a set of classes whose only job is to provide different interpolation types (Easing Equations) these are the popular ones and are easy to implement. I then have another class to which you can pass these interpolators which are "chained" together in the right order.
So, for example, I might have
1)opacity-> 0 to 255 in 2.5 seconds using the linear interpolatr AND size-> 0 to 1 in 2.5 seconds using the out cubic interpolator
2)(the 2nd step starts after the first one) rotate the effect from 0 degrees to 180 degrees in 1 second using the sine interpolator
3) size from 1->0 in 0.5 seconds using the in quadratic interpolator
and so on. I use angelscript (a scripting language) to control these transitions. you could use lua to do the same.
Hope this gives you a fair idea on how to implement something similar
~Bollu
hi Bollu
can you explain some function in your link. i understand how it work but not sure about what I need to change. example I want to transition with time is 100ms. from x =0 to x =100. ?
