Basic OpenGL Rendering using LWJGL

Bonjour, j'aimerai réaliser un cube en 3d avec openGL (LWJGL)
Lorsqu'il s'agit de 2D, il n'y a pas le moindre probleme mais le passage à la 3d s'avere plus compliqué
Pour résumer je ne vois que quelques arretes de mon cube, peut etre est ce un probleme de vue?
Merci de me préciser si erreur il y a...

Code:

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private static void render() {
    // clear the screen
	GL11.glClear(GL11.GL_COLOR_BUFFER_BIT);
    GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
 
    // center square according to screen size
    GL11.glPushMatrix();
    GL11.glTranslatef(Display.getDisplayMode().getWidth() / 2, Display.getDisplayMode().getHeight() / 2, 0.0f);
 
      // rotate square according to angle
     //GL11.glRotatef(angle, 0, 0, 1.0f);
 
      // render the square
 
     GL11.glMatrixMode(GL11.GL_MODELVIEW);
     GLU.gluLookAt(5,0,1,0,5,0,0,1,0);
 
      GL11.glBegin(GL11.GL_QUADS);
 
 
      GL11.glColor3d(1,0,0);
      GL11.glVertex3i(50,50,50);
      GL11.glVertex3i(50,-50,50);
      GL11.glVertex3i(-50,-50,50);
      GL11.glVertex3i(-50,50,50);
      	//1 face
 
      GL11.glColor3d(0,1,0);
      GL11.glVertex3i(50,50,-50);
      GL11.glVertex3i(50,-50,-50);
      GL11.glVertex3i(-50,-50,-50);
      GL11.glVertex3i(-50,50,-50);
      	//2 faces
 
      GL11.glColor3d(0,0,1);
      GL11.glVertex3i(50,50,50);
      GL11.glVertex3i(50,-50,50);
      GL11.glVertex3i(50,-50,-50);
      GL11.glVertex3i(50,50,-50);
      	//3 faces
 
      GL11.glColor3d(0,1,1);
      GL11.glVertex3i(-50,50,50);
      GL11.glVertex3i(-50,-50,50);
      GL11.glVertex3i(-50,-50,-50);
      GL11.glVertex3i(-50,50,-50);
      	//4 faces
 
      GL11.glColor3d(1,0,0);
      GL11.glVertex3i(-50,50,-50);
      GL11.glVertex3i(-50,50,50);
      GL11.glVertex3i(50,50,50);
      GL11.glVertex3i(50,50,-50);
      	//5 faces
 
      GL11.glColor3d(1,1,0);
      GL11.glVertex3i(-50,-50,-50);
      GL11.glVertex3i(-50,-50,50);
      GL11.glVertex3i(50,-50,50);
      GL11.glVertex3i(50,-50,-50);
 
      GL11.glEnd();
 
    GL11.glPopMatrix();
  }
 
}