Pro OpenGL ES for iOS

154 CHAPTER 5: Textures^

glTranslatef(0.0f,0.5f,0.0f);

glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);

glTranslatef(0.0f,-1.0f,0.0f);

glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR_MIPMAP_NEAREST);

glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR_MIPMAP_NEAREST);

glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);

glDisableClientState(GL_VERTEX_ARRAY);

glDisableClientState(GL_TEXTURE_COORD_ARRAY);

if(!(counter%100))

{

if(direction==1.0)

direction=-1.0;

else

direction=1.0;

}

transZ+=(.10*direction);

rotation += 1.0;

counter++;

}

Grab a copy of setClipping() and move it over here, then call it from your initialzation

code in viewDidLoad().

If that compiles and runs OK, you should see something like Figure 5-19.