draw_quad (undocumented features)

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draw_quad (undocumented features) #372584 06/02/11 20:07 06/02/11 20:07
Joined: Feb 2011 Posts: 135 Myrkling OP Member
Myrkling OP Member Joined: Feb 2011 Posts: 135	http://www.conitec.net/beta/draw_quad.htm 1) If the quad is larger than the bitmap, the bitmap gets tiled. This useful feature is not documented, though. 2) About what point does the quad rotate? It seems to rotate about the upper left corner of the viewport (intentional?).

Re: draw_quad (undocumented features) [Re: Myrkling] #372768 06/04/11 08:00 06/04/11 08:00
Joined: Jul 2000 Posts: 27,986 Frankfurt jcl Chief Engineer
jcl Chief Engineer Joined: Jul 2000 Posts: 27,986 Frankfurt	We'll document the tiling. The rotation is about the center of the image.

Re: draw_quad (undocumented features) [Re: jcl] #372792 06/04/11 13:12 06/04/11 13:12
Joined: Feb 2011 Posts: 135 Myrkling OP Member
Myrkling OP Member Joined: Feb 2011 Posts: 135	The rotation is only about the center if the quad's position is 0/0. When it's placed elsewhere, the rotation is offset: Code: #include <acknex.h> void main() { while (1) { wait(1); draw_quad(NULL, vector(200, 200, 0), NULL, vector(128, 128, 0), NULL, COLOR_RED, 100, total_ticks); } } Last edited by Myrkling; 06/04/11 13:17. Reason: explanation was too ambiguous

Re: draw_quad (undocumented features) [Re: Myrkling] #372962 06/06/11 07:55 06/06/11 07:55
Joined: Jul 2000 Posts: 27,986 Frankfurt jcl Chief Engineer
jcl Chief Engineer Joined: Jul 2000 Posts: 27,986 Frankfurt	Thanks for the info - the rotation center indeed was wrong due to a bug. This will be fixed in the next update.