Manual de Apoio 2010

@Overridepublic void init ( GLAutoDrawable drawable ) {GL2 gl = drawable . getGL (). getGL2 ();}// Grayish backgroundgl. glClearColor ( fLowLight [0] , fLowLight [1] , fLowLight [2] , fLowLight [3]);// Cull backs of polygonsgl. glCullFace ( GL2 . GL_BACK );gl. glFrontFace ( GL2 . GL_CCW );gl. glEnable ( GL2 . GL_CULL_FACE );gl. glEnable ( GL2 . GL_DEPTH_TEST );setupLight (gl );spherePositions = GlUtil . generateRandomPositions ( FloorSize , NumSpheres );setupTextures (gl );setupCubeMap (gl );private TGAImage loadTexture ( String name ) {TGAImage img = null ;try {InputStream stream = Anisotropic . class . getResourceAsStream ( name );img = TGAImage . read ( stream );stream . close ();} catch ( IOException e) {e. printStackTrace ();System . exit (0);}return img ;}private void setupTextures ( GL2 gl) {// Activar as texturasgl. glEnable ( GL2 . GL_TEXTURE_2D );// Obter os identificadorestextures = IntBuffer . allocate ( NumTextures ); // 2 texturas + 1 cubogl. glGenTextures ( NumTextures , textures );// Configuracao do Texture Environmentgl. glTexEnvi ( GL2 . GL_TEXTURE_ENV , GL2 . GL_TEXTURE_ENV_MODE , GL2 . GL_MODULATE );// Texturas da GeometriatextureNames . add (" earth . tga "); // Para os circulostextureNames . add (" grass . tga ");// Texturas do Cube MaptextureNames . add (" cubemap / right . tga ");textureNames . add (" cubemap / left . tga ");textureNames . add (" cubemap /up.tga ");textureNames . add (" cubemap / down . tga ");textureNames . add (" cubemap / backward . tga ");textureNames . add (" cubemap / forward . tga ");// Carregar as texturas da Geometriafor ( int i = 0; i < CubeStartIndex ; i ++) {// Fazer o bind do estado da textura ao identificadorgl. glBindTexture ( GL2 . GL_TEXTURE_2D , textures . get (i ));133