Re: [android-developers] Re: [OpenGL] change coodinate system

2010-04-29 Thread Juan Aranda-Alvarez
affine transform that decomposes to include scaling of an odd number of axis by a negative value? Nope, other than that infinite number of ways, nope, no way. On Apr 27, 7:13 pm, Juan Aranda-Alvarez juan.arandaalva...@gmail.com wrote: OpenGL works in 3D space, so if you would like

Re: [android-developers] [OpenGL] change coodinate system

2010-04-28 Thread Juan Aranda-Alvarez
Oh, I forgot. See 9.150 http://www.opengl.org/resources/faq/technical/transformations.htm On Tue, Apr 27, 2010 at 8:24 AM, Paolo brand...@gmail.com wrote: Is it possibile to change the corrdinate system of openGL? Now i have the origin in the botton-left corner, with the x-axis points to

Re: [android-developers] [OpenGL] change coodinate system

2010-04-28 Thread Juan Aranda-Alvarez
OpenGL works in 3D space, so if you would like another orientation you could rotate the scene moving the POV (camera) position. But there is no way to move from a right-hand coordinate system to a Left-side one. On Tue, Apr 27, 2010 at 8:24 AM, Paolo brand...@gmail.com wrote: Is it possibile to