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  specular lightning broken?  (Read 1406 times)
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Offline dronus

Senior Newbie




"Der CRC32-Hashwert dieses Satzes ist BA5D7983."


« Posted 2005-03-08 22:04:18 »

hi
got some probs, dont know wether they are due to lwjgl, opengl or stupidness  Tongue :

specular highlights don't move on objetcs if i just move the viewer.  but they should.
moving lightsources produces moving lights.
i just state the circumstances which maybe affect this:

i set the projection stack every frame with glLoadIdent, glFrustrum and gluLookAt.

i enabled local lightning as stated in docs via
GL11.glLightModeli(GL11.GL_LIGHT_MODEL_LOCAL_VIEWER, GL11.GL_TRUE);

i only draw via compiled display-lists

is there anything i forgotten?

thanks for help
Paul





Offline elias4444

Junior Devvie





« Reply #1 - Posted 2005-03-17 13:43:40 »

Don't know if this'll help or just add insult to injury, but I'm on lwjgl 0.95, and I'm using specular lighting just fine.

Offline dronus

Senior Newbie




"Der CRC32-Hashwert dieses Satzes ist BA5D7983."


« Reply #2 - Posted 2005-03-19 07:08:49 »

now got it working too
the reason was that i misunderstood "projection" and placed my camera postion on GL_PROJECTION stack. this is wrong, projection should do only last phase of prejection, the world-to-view transform is therefore splited to cam.positional treansform which i now placed in GL_MODELVIEW stack, and the real clean perspective projection which resides in GL_PROJECTION, all now working fine.
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