Quick questions about using Vertex Buffer Objects (OpenGL)

[DaSpirit]

I am trying to make my very own 2D engine. I have finished with all of the window programming and it works so far, but now I'm up to the tough part, the graphics. I know HOW to draw the graphics but I don't know which way I should do them.

I am using vertex buffers and I know that I can change the coordinates of each point. My questions: Should I just create 1 VBO, and just keep changing the values and texture for each object? How many VBOs do I need? If I want to have a view that follows the player, will I need to change the points to make it relative to the player, or is there a function that can do this for me?

[Disch]

The vertexes should be more or less unchanging, and you should use the model view matrix to place things where you want them on the screen

For things like scrolling / zooming, you would just apply those changes to the model view first, then for each individual object that is drawn you'd basically do this:

- push matrix
- translate to object's position
- do any rotation or other stuff you want
- draw the object
- pop matrix

[DaSpirit]

The functions glTranslate and glRotate are deprecated. Should I just calculate each point myself, or is there another way?

[Disch]

whaaat?

*checks*

Holy crap where have I been. You're right.

wtf. I have no idea then. Guess I need to brush up on my OpenGL.