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#include "video.h"
#include <GL/gl.h>
#include <GL/glu.h>
SDL_Surface *video::surface = NULL;
int video::width = 800;
int video::height = 600;
void video::init() {
SDL_Init(SDL_INIT_VIDEO);
surface = SDL_SetVideoMode(width, height, 32, SDL_OPENGL);
glClearColor(0, 0, 0, 0);
glClearDepth(1);
glDepthFunc(GL_LESS);
glEnable(GL_DEPTH_TEST);
glShadeModel(GL_SMOOTH);
glEnable(GL_POINT_SMOOTH);
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
//glEnable(GL_COLOR_MATERIAL);
const float light_ambient[4] = {.2, .2, .2, 1};
const float light_diffuse[4] = {1, 1, 1, 1};
const float light_specular[4] = {1, 1, 1, 1};
glLightfv(GL_LIGHT0, GL_AMBIENT, light_ambient);
glLightfv(GL_LIGHT0, GL_DIFFUSE, light_diffuse);
glLightfv(GL_LIGHT0, GL_SPECULAR, light_specular);
//glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, GL_TRUE);
//glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, 0);
//glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE);
glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
persp();
}
void video::free() {
SDL_Quit();
}
void video::persp() {
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(45, (float)width/(float)height, .1, 1000);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
}
void video::ortho() {
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0, width, 0, height, 0, 1);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
}
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