Flotonic

02-16-2013, 11:39 AM

Pseudo code below:

glPushMatrix();

glRotatef(100,1,0,0);;

glRotatef(50,0,1,0);

glRotatef(100,1,0,0);

glTranslatef(x0,y0,z0);

glCallList(dl0);

glPushMatrix();

glRotatef(50,1,0,0);;

glRotatef(50,0,1,0);

glRotatef(50,1,0,0);

glTranslatef(x1,y1,z1);

glCallList(dl1);

glPushMatrix();

glRotatef(50,1,0,0);;

glRotatef(100,0,1,0);

glRotatef(50,1,0,0);

glTranslatef(x2,y2,z2);

glCallList(dl2);Relative to 0, how would I determine the translation and rotation value for the last Display List in this series, if I were exporting it like a scene? If there were no rotations, I would just add all of the translations up, but when a rotation is performed, it is a different story. Is there a quick and simple way to get that translation value relative to the origin and the rotation value that I need to use so it is also rotated the same way as when called this way? Like if I were editing the vertex data of something to be rotated and placed just like in the OpenGL window after the pushes, rotations, and translations? Thank you!

glPushMatrix();

glRotatef(100,1,0,0);;

glRotatef(50,0,1,0);

glRotatef(100,1,0,0);

glTranslatef(x0,y0,z0);

glCallList(dl0);

glPushMatrix();

glRotatef(50,1,0,0);;

glRotatef(50,0,1,0);

glRotatef(50,1,0,0);

glTranslatef(x1,y1,z1);

glCallList(dl1);

glPushMatrix();

glRotatef(50,1,0,0);;

glRotatef(100,0,1,0);

glRotatef(50,1,0,0);

glTranslatef(x2,y2,z2);

glCallList(dl2);Relative to 0, how would I determine the translation and rotation value for the last Display List in this series, if I were exporting it like a scene? If there were no rotations, I would just add all of the translations up, but when a rotation is performed, it is a different story. Is there a quick and simple way to get that translation value relative to the origin and the rotation value that I need to use so it is also rotated the same way as when called this way? Like if I were editing the vertex data of something to be rotated and placed just like in the OpenGL window after the pushes, rotations, and translations? Thank you!