half-edge/src/gl_draw.h

90 lines
2.1 KiB
C

/*
* Copyright 2011-2014 hasufell
*
* This file is part of a hasufell project.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation version 2 of the License only.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file gl_draw.h
* Header for the external API of gl_draw.c
* @brief header of gl_draw.c
*/
#ifndef _DROW_ENGINE_DRAW_H
#define _DROW_ENGINE_DRAW_H
#include "bezier.h"
#include "half_edge.h"
#include <GL/glut.h>
#include <GL/gl.h>
#include <GL/glu.h>
#include <SDL.h>
#include <stdbool.h>
/**
* Vsync timer for animate() function
*/
#define TIMERMSECS 25
#define XY_WIRE_COUNT 10.0f
#define FPS_OUT_SIZE 17
#define ROT_FACTOR_PLANET_SUN (360.0 / yearabs)
#define ROT_FACTOR_PLANET (360.0 / 1.0)
#define ROT_FACTOR_MOON (360.0 / dayabs)
#define SYSTEM_POS_Z -15.0f
#define SYSTEM_POS_Z_BACK 15.0f
#define VISIBILITY_FACTOR 5.0f
#define FAR_CLIPPING_PLANE 60.0f
#define NEAR_CLIPPING_PLANE 1.0f
#define CAMERA_ANGLE 60.0f
extern int yearabs;
extern int dayabs;
extern HE_obj *obj;
extern HE_obj *float_obj;
extern HE_obj *bez_obj;
extern bool show_normals;
extern bool shademodel;
extern bool draw_frame;
extern bool draw_bezier;
extern float ball_speed;
void draw_normals(HE_obj const * const obj,
float const scale_inc);
void draw_vertices(HE_obj const * const obj,
bool disco_set);
void draw_bez(const bez_curv *bez, float step_factor_inc);
void draw_bez_frame(const bez_curv *bez,
float pos);
void draw_ball(const bez_curv *bez,
const float pos);
void draw_obj(int32_t const myxrot,
int32_t const myyrot,
int32_t const myzrot,
float bez_inc);
void draw_Planet_1(void);
void draw_Planet_2(void);
void draw_scene(void);
#endif /* _DROW_ENGINE_DRAW_H */