이제 3D 공부를 시작해봅니다. FirstGLRenderer.java package com.sohon.my3d; import javax.microedition.khronos.egl.EGLConfig; import javax.microedition.khronos.opengles.GL10; import android.opengl.GLSurfaceView.Renderer; public class FirstGLRenderer implements Renderer { public void onDrawFrame(GL10 gl) { gl.glClear(GL10.GL_COLOR_BUFFER_BIT | GL10.GL_DEPTH_BUFFER_BIT); } public void onSurfaceChanged(GL10 gl, ..