Android OpenGL ES rotate a cube on x, y, z points, and the cube's center

I want to: rotate my cube on a x,y,z center point. And t开发者_StackOverflow中文版he second way: i want to rotate my cube on my cube's center points. How i can do this?

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Assuming you have a OpenGL ES GL10 object called gl, in your ondraw or similar:

  // Push matrix so we can pop later
  gl.glPushMatrix();

  // Translate to the center of your cube
  // Or to whatever xyz point you want
  glTranslatef(centreX, centreY, 0);

  // rotation = degrees to rotate
  // x,y,z are unit vectors for rotation to take place
  // I.E  x=0.0 y=0.0 z=0.0 would rotate around the z-axis
  gl.glRotatef(rotation, x, y, z);


  // CUBE DRAWING FUNCTION HERE


  // Popmatrix so we undo translation and rotation for
  // rest of opengl calls
  gl.glPopMatrix();

I suggest looking at the android ports of the nehe opengl tutorials as they are brilliant guides to starting opengl with android.