blockofighter/src/glapi.cpp

#include "main.h"

#include "glapi.h"

void setupOpengl(int width, int height){
    //float ratio = (float)width/height;
    float ratio = 4.0/3.0;

    glShadeModel(GL_SMOOTH);

    glCullFace(GL_BACK);
    glFrontFace(GL_CCW);
    glEnable(GL_CULL_FACE);

    glEnable(GL_DEPTH_TEST);
    glDepthFunc(GL_LEQUAL);
    glClearDepth(1.0);

    glClearColor(0, 0, 0, 0);

    glEnable(GL_COLOR_MATERIAL);

    //Enables lighting with zero initial lights. Lights are created with Light-class
    glEnable(GL_LIGHTING);
    glDisable(GL_LIGHT0);

  float ambient[4]= {0.1, 0.1, 0.1, 1};
  glLightModelfv(GL_LIGHT_MODEL_AMBIENT, ambient);

  glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, GL_TRUE);
  glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, GL_FALSE);

  GLfloat zero[4] = {0, 0, 0, 1};
    GLfloat one[4] = {1, 1, 1, 1};

    //Default frontface lighting
  glMaterialfv(GL_FRONT, GL_AMBIENT, one);
  glMaterialfv(GL_FRONT, GL_DIFFUSE, one);
    GLfloat specular[4] = {2, 2, 2, 1};
  glMaterialfv(GL_FRONT, GL_SPECULAR, specular);
  glMaterialf(GL_FRONT, GL_SHININESS, 120);

    //Never any backface lighting, except ambient
  glMaterialfv(GL_BACK, GL_AMBIENT, one);
  glMaterialfv(GL_BACK, GL_DIFFUSE, zero);
  glMaterialfv(GL_BACK, GL_SPECULAR, zero);



    glViewport(0, 0, width, height);

    glDepthFunc(GL_LEQUAL);
  glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);

    glEnable(GL_NORMALIZE);

    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();

    gluPerspective(60.0, ratio, 1.0, 1024.0);


    //glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
}