Retro3D API

Collaboration diagram for Retro3D API:

Topics
	Retro3D Textures and Sprites
	Functions for drawing textured polygons and billboarded sprites.
	Retro3D Scene Graph
	Basic 3D scene graph API.
	Retro3D Transformations
	Functions for translating/transforming the current scene node.
	Retro3D Polygons
	Functions for drawing polygons inside of the current scene.

Files
file	retro3d.h
	Lower-level retargetable 3D engine wrapper.

Data Structures
struct	RETRO3D_PROJ_ARGS

Macros
#define	RETRO3D_TRACE_LVL   0
#define	RETRO3D_PROJ_ORTHO   0
	When provided to RETRO3D_PROJ_ARGS::proj, specifies orthographic projection.
#define	RETRO3D_PROJ_FRUSTUM   1
	When provided to RETRO3D_PROJ_ARGS::proj, specifies frustum projection.
#define	RETRO3D_TRI_FLAG_NORMAL_X   0x03
#define	RETRO3D_TRI_FLAG_NORMAL_Y   0x02
#define	RETRO3D_TRI_FLAG_NORMAL_Z   0x01
#define	RETRO3D_TRI_FLAG_NORMAL_NEG   0x04

Functions
void	retro3d_init_projection (struct RETRO3D_PROJ_ARGS *args)
	Setup projection properties to subsequently drawn scenes/frames.
void	retro3d_init_bg (RETROFLAT_COLOR color, mfix_t fog_draw_dist, mfix_t fog_density)
	Setup background and fog (when supported) for subsequently drawn scenes.
MERROR_RETVAL	retro3d_platform_init ()
void	retro3d_platform_shutdown ()
MERROR_RETVAL	retro3d_check_errors (const char *desc)

Detailed Description

Function Documentation

retro3d_init_bg()

void retro3d_init_bg	(	RETROFLAT_COLOR	color,
		mfix_t	fog_draw_dist,
		mfix_t	fog_density )

Setup background and fog (when supported) for subsequently drawn scenes.

Note

This does NOT clear the current scene!