#import "GLView.h"

@implementation GLView
- (void)prepareOpenGL
{
    glShadeModel(GL_SMOOTH);
    glEnable(GL_NORMALIZE);
    glEnable(GL_DEPTH_TEST);
    glEnable(GL_COLOR_MATERIAL);
    glEnable(GL_LIGHTING);
    glEnable(GL_LIGHT0);
    glClearColor(0.2f, 0.1f, 0.2f, 0.0f);
    GLfloat light_diffuse[] = { 1, 1, 1, 1 };
    glLightfv(GL_LIGHT0, GL_DIFFUSE, light_diffuse);
    GLfloat light_position[] = { 0, 0, 5, 1 };
    glLightfv(GL_LIGHT0, GL_POSITION, light_position);
}

- (void)reshape
{
    const NSSize size = self.bounds.size;
    glViewport(0,0,size.width,size.height);
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    gluPerspective(45.0f,size.width/size.height,0.1f,100.0f);
}

- (void)drawRect:(NSRect)rect
{
    glMatrixMode(GL_MODELVIEW);
    glLoadIdentity();
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glTranslatef(0.0f,0.0f,-6);
    glRotatef(20,0,0,1);
    glRotatef(20,1,0,0);
    glColor3f(1,0,0);
    glutSolidCube(2);
    [[self openGLContext] flushBuffer];
}
@end