pictures and cls

pavol · **Posted:** Fri Jan 20, 2006 11:03 am

is there any way to cls everything on the screen besides something like a background pic. i'm starting on a game, i draw a background pic and the user controls this guy on it. the only problem is that this makes the game very very slow cuz i have to redraw the background pic every time. so is there any way to cls, keep the background, and redraw the user guy in the new position? Hit Wall

any help appreciated

sylvester-27 · **Posted:** Fri Jan 20, 2006 11:17 am

could u post the code please. It'll make it easier.

do_pete · **Posted:** Fri Jan 20, 2006 11:19 am

Well according to the manual picXor should do the trick ... but it doesn't so I don't think you can do it.

Albrecd · **Posted:** Fri Jan 20, 2006 11:38 am

How is picXor supposed to do that? I never could make any sence out of it...

do_pete · **Posted:** Fri Jan 20, 2006 11:45 am

There is something about that in [Turing Tutorials]

Prognosis · **Posted:** Sat Jan 21, 2006 11:20 pm

in your loop, whenever you want to do a cls, just draw all of the graphics over again for your backround.

codemage · **Posted:** Mon Jan 23, 2006 1:22 pm

Noo... use Xor. Wonderful Xor.

Draw OVER your on-screen objects with Xor.
This erases them, but leaves the background layer.
You can then re-draw the objects in their new positions.

Shake-rinse-repeat.

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