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| y/z up axis converter problem http://horde3d.org/forums/viewtopic.php?f=11&t=2282 |
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| Author: | wiseguy [ 06.09.2015, 11:31 ] |
| Post subject: | y/z up axis converter problem |
Hello. I was reading thru the code for H3D collada converter and found a strange line of code regarding adjusting for Z_UP flag in collada. Code: if( !_daeDoc.y_up ) { swap( v.pos.y, v.pos.z ); v.pos.z *= -1; } Swap of z and y coordinate is obvious, but the negation of z is strange. I was importing a Blender model with a modified H3D converter for my own engine and everything worked fine, skeletal animations, meshes. The only thing wrong was that the model was pointing in the negative z direction when it should point in positive z direction. Can than be because of that line of code? |
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| Author: | Volker [ 06.09.2015, 21:56 ] |
| Post subject: | Re: y/z up axis converter problem |
Probably yes. I think the reason for this line was left handed vs. right handed coordinate system. But it has been a long time ago that I've ocupied myself with that code. |
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