how to use glTranslate to do "pan"?

OpenGL
1

I draw some object and would like to do “pan”. I have some trouble to reach what I want. Here is what I want: when I move my mouse, I hope the object I draw can follow my mouse point.

I tried 2 ways:
Way 1

  1. LoadIdentity; 2) Rotate; 3) Translate; 4) Draw Object
    The object move along the rotated coordinate system instead of the original coordinate system;

Way 2)

  1. LoadIdentity; 2) Translate; 3) Rotate; 4) Draw Object
    The object moves fine. However, when I try to rotate the object, I want to rotate it around the original coordinate system, not the local one, or the translated one.

How can I solve my problem? Thank you very much.

2

Hi gardener…

Your problem falls in Code beginners category… Not here…

Anyways, actual panning is different then what you want to achieve…

You want the object to follow the mouse as u move the mouse… This is not panning… i guess i’m right with my knowledge… Any senior ppl do correct me if i am wrong… Shift this topic to code beginners section… You’ll find lot of replies…

good luck…