To switch to ES - Create an array of verts and normals and use those to replace the immediate mode drawing. You will need to replace the GLU sphere and torus creation with perhaps a known algorithm to create them - or if you can find a glut es implementation of those that would work too.
On Sep 9, 4:11 pm, Thiago Lopes Rosa <[email protected]> wrote: > Lesson 48 ported to Java (still needs some OpenGL ES > adjustments):http://www.java-tips.org/other-api-tips/jogl/arcball-rotation-nehe-tu... > > Thiago > > On Tue, Sep 7, 2010 at 21:04, Thiago Lopes Rosa <[email protected]>wrote: > > > > > Thanks! =) > > > Thiago > > > On Tue, Sep 7, 2010 at 14:25, Robert Green <[email protected]> wrote: > > >> I was going to suggest doing what they outline in that lesson. In > >> short - keep a rotation matrix for the current orientation of your > >> cube. Process input and keep a rotation matrix that you apply the > >> user input to, then multiply the cube matrix by and store the result > >> as the cube matrix, then reset the input matrix to identity and start > >> all over. > > >> For user-space Z input rotation, you can do it like they do in the pro > >> 3D apps - with a little button that shows that rotation to the left > >> and to the right. Still use the same method as above, though, and you > >> will get very predictable, nice rotation on all axis. > > >> On Sep 7, 11:39 am, alan <[email protected]> wrote: > >> > your first stop for all opengl questions should be NeHe open gl > >> > lessons:http://nehe.gamedev.net/data/lessons/lesson.asp?lesson=48 > > >> > On Sep 6, 9:58 pm, Thiago Lopes Rosa <[email protected]> wrote: > > >> > > This is a 3D Minesweeper. Instead of searching mines on that > >> rectangular > >> > > field, you must search them on several 3D fields (8 in total) by > >> looking in > >> > > all faces/planes. So you must rotate the objects to see all sides. > >> (search > >> > > for: *3D Mines*) > > >> > > I got the idea about different movements for each axis, but I really > >> wanted > >> > > to use dragging for all axis. > > >> > > Thanks, > > >> > > Thiago > > >> > > On Mon, Sep 6, 2010 at 17:42, Droid <[email protected]> wrote: > >> > > > Suggest dragging for x, y and tapping for z axis movement. But its > >> not > >> > > > clear exactly what your end-game is.... > >> > > > You could also use accelerometer for tipping (see Breakout Legend in > >> > > > the App in mkt) > > >> > > > :) Droid > > >> > > > On Sep 6, 7:04 pm, Thiago Lopes Rosa <[email protected]> wrote: > >> > > > > Hi, > > >> > > > > I have a cube on the center of the screen and the user can rotate > >> it > >> > > > using > >> > > > > the touchscreen. > > >> > > > > The problem: > >> > > > > For example, when I rotate the cube 180 degrees (vertical), the > >> > > > horizontal > >> > > > > rotation gets "inverted" (i mean, when moving right the cube > >> rotates left > >> > > > > and vice-versa). > > >> > > > > The issue is that I'm using 2D coordinates (touchscreen) to rotate > >> the 3D > >> > > > > cube. > >> > > > > I'm always rotating around the cube's X and Y axis and never > >> around the Z > >> > > > > axis. > > >> > > > > The question is: > >> > > > > How do I calculate how much and which axis to rotate from a 2D > >> coordinate > >> > > > > input? > > >> > > > > Thanks, > > >> > > > > Thiago > > >> > > > -- > >> > > > You received this message because you are subscribed to the Google > >> > > > Groups "Android Developers" group. > >> > > > To post to this group, send email to > >> [email protected] > >> > > > To unsubscribe from this group, send email to > >> > > > [email protected]<android-developers%2Bunsubs > >> > > > [email protected]><android-developers%2Bunsubs > >> [email protected]> > >> > > > For more options, visit this group at > >> > > >http://groups.google.com/group/android-developers?hl=en > > >> -- > >> You received this message because you are subscribed to the Google > >> Groups "Android Developers" group. > >> To post to this group, send email to [email protected] > >> To unsubscribe from this group, send email to > >> [email protected]<android-developers%2Bunsubs > >> [email protected]> > >> For more options, visit this group at > >>http://groups.google.com/group/android-developers?hl=en -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
