"altern" wrote: > No, it's a known (and resolved in later versions) bug in SDL. > Workaround locally by flipping Y or use a later version.
My pygame.__version__ reports '1.8.0pre', which suggests to me that this bug fix hasn't made it into the latest Mac binaries. "altern" wrote: > try to use glOrtho instead og gluOrtho2D and see if you still get the same > # glOrtho(left, right, bottom, top, zNear, zFar) > glOrtho(0, 640, 480, 0, 1, 0) should set 0,0 to the left,top Replacing glOrtho with glOrtho2D produced identical results on all platforms, including the inconsistency on the Mac when windowed. Thanks for the help. -Dave LeCompte > > > > Chris Ashurst wrote: >> I think on all systems (and if you're used to getting mouse x/y >> coordinates >> via the SDL side of pygame) the mouse is "flipped" when you use OpenGL. >> >> I think it's something to do with the fact that OpenGL itself is device >> and >> system agnostic, and was built with the idea in mind that it's just a 3d >> engine rather than a 3d engine + widgets. >> >> Additionally, it may also be something to do with the fact that any >> object >> you manipulate in an OGL context is relative to the "camera", and to >> move >> the camera around an object you have to move it right if you want the >> object >> to move left, up to move it down and so on. >> >> People with more experience with OpenGL can probably clarify, but I have >> hit >> this same issue before, too. I think the x coord turned out to be fine, >> all >> I needed to do was write a function that inverted the y coordinate to >> get >> the "real" value. >> >> -----Original Message----- >> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] >> Behalf Of Dave LeCompte (really) >> Sent: Tuesday, January 16, 2007 20:20 >> To: pygame-users@seul.org >> Subject: [pygame] MacOS/PyGame/PyOpenGL mouse inversion >> >> >> Hi there, I'm new to the list, so this may have been answered before. >> >> I've got a PyGame/PyOpenGL app that I'm working on which I can run under >> MSWindows or Mac OSX and in windowed or fullscreen mode. I notice that >> when I run in a window on my Mac, the value returned by >> pygame.mouse.get_pos() is relative to the lower left corner of the >> screen, >> but if I run fullscreen on the Mac, fullscreen on by Windows PC, or in a >> window on the Windows PC, the value is relative the the upper left >> corner >> (agreeing with the docs at >> http://www.pygame.org/docs/ref/mouse.html#pygame.mouse.get_pos ). >> >> Is this a known issue? >> >> Attached is a short test script that displays the strange behavior. >> >> -Dave LeCompte >> >> >> >> >> CONFIDENTIAL NOTICE: This email including any attachments, contains >> confidential information belonging to the sender. It may also be >> privileged or otherwise protected by work product immunity or other >> legal rules. This information is intended only for the use of the >> individual or entity named above. If you are not the intended >> recipient, you are hereby notified that any disclosure, copying, >> distribution or the taking of any action in reliance on the contents >> of this emailed information is strictly prohibited. If you have >> received this email in error, please immediately notify us by >> reply email of the error and then delete this email immediately. >> >