I am already reading some opengl es tutorials. OpenGL is really low level as i see it, but not that difficult.
So i will manage i hope. Greetings 2009/7/1 Alistair. <alistair.rutherf...@googlemail.com> > > Take a look at the sprite drawing code in the apps-for-android code > here > > http://code.google.com/p/apps-for-android/ > > You will see how you go about drawing a bitmap onto the OpenGL > surface. Trying to explain the steps required to re-implement your > sample code in Android might have seemed a bit of a big job hence no > replies. > > I have implemented an abstraction for line drawing in my BulletML demo > which lets you switch between Canvas and OpenGL here: > > http://code.google.com/p/netthreads-for-android/ > > This only handles line drawing though. It's not easy to get your head > around this stuff. I spent a lot of time stumbling around towards a > solution. > > Al. > > On Jun 30, 10:05 pm, TjerkW <tje...@gmail.com> wrote: > > Nobody can help me? > > > > On 18 jun, 14:12, TjerkW <tje...@gmail.com> wrote: > > > > > > > > > Hello All, > > > > > My game runs fairly well on my phone, but i want to increase the > > > performance by usingopengl. > > > However currently i use the Canvas. > > > I am a beginner inopengl. > > > I have to port all my drawing code toopengl. However can somebody > > > give me directions. > > > For example how do i do the following inopengl: > > > > > c.save(); > > > c.scale(0.3f+scale, 0.3f+scale, width/2, > height/2); > > > c.drawBitmap( > > > bMsg.bitmap, > > > width/2 - bMsg.bitmap.getWidth()/2, > > > dy+height/2 - > bMsg.bitmap.getHeight()/2, > > > MESSAGE_PAINT > > > ); > > > c.restore(); > > > > > And why cant i just use Canvas as an abstraction layer (facade) > foropengl. > > > An implementation of canvas could call the correctopenglmethods in > > > order to render. > > > Why do i have to port all my code. I thought the canvas was a good > > > abstraction interface to a drawing surface, > > > why do i have to bother withopengl? > > > > > It looks like this is possible, when is see the following contructor: > > > "public Canvas (GL gl)" > > > Also the this seems usefull. > > > SURFACE_TYPE_GPU Surface type: creates a surface suited to be > used > > > with the GPU > > > > > So what should i do? > > > Re implementing the GamePainter completely and callopenglfunctions > > > directly? > > > Or is there some kind of abstraction mechanism, so that i can > useOpenGLwith just a few lines of code? > > > -- -- Tjerk Wolterink @ GMail --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---
