To dorbie:
That's what I want.Thanks very much! you make it clear to me .

How can I define each vertex's rotating angle,is there a mathmatical model to describe simple page curl?

thanks, my question is how to create the mesh just like the right image warp operation.I used some hardware FX system,they
control page curl through some parameters like radius, angle, offst,etc. I...

Hello, Where can i find some code or algorithm introduction about page curl?
I want to use OPENGL make a software FX.