opengl

#include "app.h"
#include <gl/glut.h>


int glutWindowID;

bool MyInit(int,char* []);
void MyExit(void);
void MyRender(void);

int main(int arg, char* args[]){
    bool isInitialized = MyInit(arg,args);
    if (!isInitialized) {
        return false;
    }
    return 0;
}

bool MyInit(int arg,char* args[]){
    glutInit(&arg,args);
    glutInitWindowPosition(-1,-1);
    glutInitWindowSize(600,600);

    glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH | GLUT_RGB);
    glutWindowID = glutCreateWindow("Hello");
    glutSetWindow(glutWindowID);

    //callback methods
    glutDisplayFunc(MyRender);
    return true;
}

void MyExit(void){
    glutDestroyWindow(glutWindowID);
}

void MyRender(void){
    //HWND Wnd;
    glutSetWindow(glutWindowID);
    //HDC hDC = GetDC(Wnd);

    glClearColor(0.0,0.0,0.9,0.0);
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glDrawBuffer(GL_BACK);
    glEnable(GL_DEPTH_TEST);
    glEnable(GL_LIGHTING);

    //lighting
    float Mambient[]={0.2,0.2,0.2,1.0};
    glLightModelfv(GL_LIGHT_MODEL_AMBIENT,Mambient);

    float LightAmbient[] = {0.1,0.1,0.1,1.0};
    float LightDiffuse[] = {0.5,0.5,0.5,1.0};
    float LightPosition[] = {5.0,5.0,5.0,0.0};
    glLightfv(GL_LIGHT0,GL_AMBIENT,LightAmbient);
    glLightfv(GL_LIGHT0,GL_DIFFUSE,LightDiffuse);
    glLightfv(GL_LIGHT0,GL_POSITION,LightPosition);
    glEnable(GL_LIGHT0);

    /*RECT rect;
    GetClientRect(Wnd, &rect);
    float width = rect.right - rect.left;
    float height = rect.bottom - rect.top;
    float aspect = (height == 0)?width:width/height;
    glViewport(0,0,width,height);
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    gluPerspective(45,aspect,1,100);*/

    glMatrixMode(GL_MODELVIEW);
    glLoadIdentity();
    gluLookAt(2.0,3.0,4.0,0.0,0.0,0.0,0.0,1.0,0.0);

    float GreenS[] = {1.0,0.0,0.0,1.0};
    glMaterialfv(GL_FRONT,GL_AMBIENT_AND_DIFFUSE,GreenS);
    glutSolidTeapot(1.0);

    glutSwapBuffers();
}