Method OnStartGraphics

endless-tunnel/app/src/main/cpp/play_scene.cpp:230–267

}

void PlayScene::OnStartGraphics() {
  // build shaders
  mOurShader = new OurShader();
  mOurShader->Compile();
  mTrivialShader = new TrivialShader();
  mTrivialShader->Compile();

  // build projection matrix
  UpdateProjectionMatrix();

  // build tunnel geometry
  mTunnelGeom = new SimpleGeom(
      new VertexBuf(TUNNEL_GEOM, sizeof(TUNNEL_GEOM), TUNNEL_GEOM_STRIDE),
      new IndexBuf(TUNNEL_GEOM_INDICES, sizeof(TUNNEL_GEOM_INDICES)));
  mTunnelGeom->vbuf->SetColorsOffset(TUNNEL_GEOM_COLOR_OFFSET);
  mTunnelGeom->vbuf->SetTexCoordsOffset(TUNNEL_GEOM_TEXCOORD_OFFSET);

  // build cube geometry (to draw obstacles)
  mCubeGeom = new SimpleGeom(
      new VertexBuf(CUBE_GEOM, sizeof(CUBE_GEOM), CUBE_GEOM_STRIDE));
  mCubeGeom->vbuf->SetColorsOffset(CUBE_GEOM_COLOR_OFFSET);
  mCubeGeom->vbuf->SetTexCoordsOffset(CUBE_GEOM_TEXCOORD_OFFSET);

  // make the wall texture
  mWallTexture = new Texture();
  mWallTexture->InitFromRawRGB(WALL_TEXTURE_SIZE, WALL_TEXTURE_SIZE, false,
                               _gen_wall_texture());

  // reset frame clock so the animation doesn't jump
  mFrameClock.Reset();

  // life icon geometry
  mLifeGeom = AsciiArtToGeom(ART_LIFE, LIFE_ICON_SCALE);

  // create text renderer and shape renderer
  mTextRenderer = new TextRenderer(mTrivialShader);
  mShapeRenderer = new ShapeRenderer(mTrivialShader);
}

void PlayScene::OnKillGraphics() {
  CleanUp(&mTextRenderer);