scene_polygon3d - Online Linux Manual PageSection : 3
Updated : version 4.4.3
Source : Allegro
Note : Allegro manual

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NAMEscene_polygon3d, scene_polygon3d_f − Puts a polygon in the scene rendering list. Allegro game programming library.​

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SYNOPSIS#include <allegro.h> int scene_polygon3d(int type, BITMAP *texture, int vc, V3D *vtx[]); int scene_polygon3d_f(int type, BITMAP *texture, int vc, V3D_f *vtx[]);

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DESCRIPTIONPuts a polygon in the rendering list. Nothing is really rendered at this moment. Should be called between clear_scene() and render_scene(). Arguments are the same as for polygon3d(), except the bitmap is missing. The one passed to clear_scene() will be used. Unlike polygon3d(), the polygon may be concave or self-intersecting. Shapes that penetrate one another may look OK, but they are not really handled by this code. Note that the texture is stored as a pointer only, and you should keep the actual bitmap around until render_scene(), where it is used. Since the FLAT style is implemented with the low-level hline() function, the FLAT style is subject to DRAW_MODEs. All these modes are valid. Along with the polygon, this mode will be stored for the rendering moment, and also all the other related variables (color_map pointer, pattern pointer, anchor, blender values). The settings of the CPU_MMX and CPU_3DNOW flags of the cpu_capabilities global variable on entry in this routine affect the choice of low-level asm routine that will be used by render_scene() for this polygon.

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RETURN VALUEReturns zero on success, or a negative number if it won't be rendered for lack of a rendering routine.

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SEE ALSOcreate_scene(3), clear_scene(3), render_scene(3), destroy_scene(3), polygon3d(3), cpu_capabilities(3), exscn3d(3) 0

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