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OK, this is going to sound really dumb, so feel free to slap me.
If I a quad, textured (and it's a sprite) how do I move it independant of anything else in the scene? So far I've drawn a big red box and a little green box next to it, and if I use glTranslatef the whole scene moves (red and green box).
Could someone point me in the right direction?
if you want the green box to move you need to translate x, y and z units on each of the axis before you draw the box. after you have drawn the box you need to translate with -x, -y and -z to reset the coordinatesystem to the origin and then draw the red box.
Thanks man that worked fine :)
One other question though, I drew the green box first then the red box, but the red box appears over the green one. I'm using glOrtho not gluPerspective.
Maybe that has something to do with the color? It goes RGB not GRB? Course maybe I'm just making things up :D
I haven't got a clue, but it shouldn't matter, objects won't be overlapping each other when I get that damn collision detection in there!
(Which, by the way, I am having a lot of trouble with :()
The z buffer is doing that. If you are doing 2D either set all vertices Z component to 1.0f and/or turn z buffer off.
doesnt it have to do with rendering order too?? If you want object A to be visible above object B object A has to be rendered after object B or am i way out there??
OK I'll do that now.Quote:
Originally Posted by Bubba
Another question: Bubba, you've used OpenGL and DirectX right? Could you tell me a little bit about what you like / dislike about each one if you have time?
I really don't Bubba has used OpenGL before. It's best to listen to what he has to say about DX and then find some one else's opinion on OpenGL.