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Right way to make camera/viewport rotation (Isometric wade)
Aggu May 3rd, 2014

Hi!

 

I'm currently programming isometric game using Isometric Wade.

 

Could somebody give me a hint, what is right way to do camera rotation (90 degree rotation). There is rotation functionality for tiles, but is it a right way to approach this problem?

 

 

Thanks in advance for your help

Elliot May 3rd, 2014
Hi

Yes, rotating tiles is part of what you have to do. But then you would have to move the iso objects too.
I don't know exactly how, but Shri did it for his labirinto game, which he kindly open sourced.

Have a look at this thread:
http://www.clockworkchilli.com/forum/index.php?/topic/94-labirinto-isometric-game/
Gio May 3rd, 2014

Hi and welcome to the forums!

 

What Elliot said is correct, but I'd like to add that not everything can be rotated - objects that aren' symmetric just wouldn't look right seen from a different angle. Unless you had several different views per object, in which case you would have to switch images when rotating. Also, moving characters around following a rotation may be a bit confusing, since the direction suffixes for character animations (n, s, w, etc) would have a different meaning.

 

Another consideration to do is that rotating a tile uses some memory (a new image has to be created), so if you have many tiles and this is a problem, you may want to unload the previous tile images (with wade.unloadImage).

 

Anyway, overall it's a bit tricky. And this has come up a couple of times in forum threads, so we should probably consider adding built-in support for rotation in the next version of wade.iso.