This is the OpenGL version I have:



Video Card Vendor: Intel
Renderer: Intel(R) HD Graphics
OpenGL Version: 2.1.0 - Build 8.15.10.2622
GLU Version: 1.2.2.0...

The problem is something is going wrong with that subtraction. Don't work.

Ah, forget. Thanks.

Take a look at this flash file.

In flash file:
1. Move box #2. You can see anywhere you click on the box, you move and it doesn't jumps.

2. Move box #1. You can see anywhere you click on it,...

I don't know how to calculate. :(

i don't know exactly how to explain. :o

Well, I'm moving 3d objects using mouse, but the problem is: when I click on an object, it 'jumps' to the clicked position. And I dont want that it jumps,...