Manual de Apoio 2010

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import pt.ipb . esact .cg.gl. CGEngine ;import pt.ipb . esact .cg.gl. GLKeyboardAdapter ;import pt.ipb . esact .cg.gl. GLVector ;import pt.ipb . esact .cg.gl. tools . GlTools ;import com . jogamp . opengl . util . FPSAnimator ;import com . jogamp . opengl . util . gl2 . GLUT ;import com . jogamp . opengl . util . texture . spi . TGAImage ;@SuppressWarnings (" serial ")public class TexGen extends JFrame implements GLEventListener {private GLU glu = new GLU ();private GLUT glut = new GLUT ();private GLCanvas canvas ;FPSAnimator animator ;private float bgColor [] = { 0f, 0f, 0f, 0f };private GLVector location = new GLVector (0f, 0f, 5f);private GLVector lookAt = new GLVector (0f, 0f, 0f);private IntBuffer textures = IntBuffer . allocate (2);private CGEngine e;// Identificadores das Texturaspublic static final int Stripes = 0, Environment = 1;public static final int ObjectLinear = 0, EyeLinear = 1, SphereMap = 2;private int renderMode = SphereMap ;private TGAImage environment ;public static void main ( String [] args ) {new TexGen ();}public TexGen () {super (" TexGen ");setDefaultCloseOperation ( JFrame . EXIT_ON_CLOSE );setSize (600 , 600);Container p = getContentPane ();BorderLayout l = new BorderLayout (5 , 5);p. setLayout (l);canvas = new GLCanvas ();canvas . addGLEventListener ( this );p. add ( canvas , BorderLayout . CENTER );e = new CGEngine ( canvas , location );e. camera (). lookAt ( lookAt );setVisible ( true );canvas . requestFocus ();}animator = new FPSAnimator ( canvas , 25);animator . start ();127
@Overridepublic void dispose ( GLAutoDrawable drawable ) {}@Overridepublic void init ( GLAutoDrawable drawable ) {GL2 gl = drawable . getGL (). getGL2 ();gl. glClearColor ( bgColor [0] , bgColor [1] , bgColor [2] , bgColor [3]);// Cull backs of polygonsgl. glFrontFace ( GL2 . GL_CCW );gl. glEnable ( GL2 . GL_CULL_FACE );gl. glEnable ( GL2 . GL_DEPTH_TEST );gl. glEnable ( GL2 . GL_BACK );// As texturas substitem o material da geometriagl. glTexEnvi ( GL2 . GL_TEXTURE_ENV , GL2 . GL_TEXTURE_ENV_MODE , GL2 . GL_DECAL );// 2 Texturasgl. glGenTextures (2 , textures );/*** Carregamento da textura stripes*/environment = loadTexture (" environment . tga ");gl. glBindTexture ( GL2 . GL_TEXTURE_2D , textures . get ( Environment ));gl. glTexImage2D ( GL2 . GL_TEXTURE_2D , 0, GL2 . GL_RGBA ,environment . getWidth () , environment . getHeight () ,0, environment . getGLFormat () , GL2 . GL_UNSIGNED_BYTE ,environment . getData ());gl. glTexParameterf ( GL2 . GL_TEXTURE_2D ,GL2 . GL_TEXTURE_MIN_FILTER , GL2 . GL_LINEAR );gl. glTexParameterf ( GL2 . GL_TEXTURE_2D ,GL2 . GL_TEXTURE_MAG_FILTER , GL2 . GL_LINEAR );gl. glTexParameterf ( GL2 . GL_TEXTURE_2D ,GL2 . GL_TEXTURE_WRAP_S , GL2 . GL_REPEAT );gl. glTexParameterf ( GL2 . GL_TEXTURE_2D ,GL2 . GL_TEXTURE_WRAP_T , GL2 . GL_REPEAT );/*** Carregamento da textura de ambiente*/TGAImage sriptes = loadTexture (" stripes . tga ");gl. glBindTexture ( GL2 . GL_TEXTURE_2D , textures . get ( Stripes ));gl. glTexImage2D ( GL2 . GL_TEXTURE_2D , 0, GL2 . GL_RGBA ,sriptes . getWidth () , sriptes . getHeight () ,0, sriptes . getGLFormat () , GL2 . GL_UNSIGNED_BYTE ,sriptes . getData ());gl. glTexParameterf ( GL2 . GL_TEXTURE_2D ,GL2 . GL_TEXTURE_MIN_FILTER , GL2 . GL_LINEAR );gl. glTexParameterf ( GL2 . GL_TEXTURE_2D ,GL2 . GL_TEXTURE_MAG_FILTER , GL2 . GL_LINEAR );gl. glTexParameterf ( GL2 . GL_TEXTURE_2D ,GL2 . GL_TEXTURE_WRAP_S , GL2 . GL_REPEAT );gl. glTexParameterf ( GL2 . GL_TEXTURE_2D ,GL2 . GL_TEXTURE_WRAP_T , GL2 . GL_REPEAT );// Activar o Texture Mapping128
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Computação GráficaManual de Apoi
Page 3 and 4:
4.3.5 Regras na Criação de Políg
Page 5 and 6:
ConvençõesNa medida dos possívei
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1.2 Efeitos 3DUma palavra a ter em
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Figura 1.3: Duas perspectivas difer
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1.3.5 Viewport TransformationsNo fi
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Figura 2.2: Duas zonas de clipping
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Figura 2.7: O clipping volume de um
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Tipo Interno OpenGL Tipo em C Sufix
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O passo final consiste no mapeament
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Figura 3.7: Duas Esferasgl. glTrans
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Figura 3.11: FrustrumA definição
Page 25 and 26:
Capítulo 4Primitivas Geométricas
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Figura 4.3: Explicação da espiral
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Figura 4.5: Desenho com GL LINESFig
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float y, curwidth = widths [0];gl.
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gl. glVertex2f (0f, 0f); // V 0gl.
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4.3.2 Tiras de Quadrados:GL QUAD ST
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4.3.5 Regras na Criação de Políg
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GL2 gl = drawable . getGL (). getGL
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A luz vista como uma partículaA co
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5.2 Utilização de Cores no OpenGL
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5.3 Cores no Mundo RealO shading do
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Ao desenhar objectos, o OpenGL deci
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Figura 5.15: Polígono após defini
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Vectores Normais às SuperfíciesO
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Figura 5.21: Um vector normal não
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classe GLVector fornece o método t
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(a) Normais perpendiculares a cada
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Capítulo 6Cores e Materiais (Conti
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Desenhar um Torus Verdegl. glColor4
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Da mesma forma que deifinimos a fun
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Figura 6.6: NevoeiroA configuraçã
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OperationGL ACCUMGL LOADGL MULTGL A
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Capítulo 7Imagens no OpenGL7.1 Bit
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transformados em fragmentos (pixel)
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Figura 7.4: Utilização de glDrawP
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7.4 Outras Operações com ImagensP
Page 77 and 78: EmbossA matriz utilizada para o efe
Page 79 and 80: Capítulo 8Mapeamento de TexturasNa
Page 81 and 82: Figura 8.2: Pipeline - Carregamento
Page 83 and 84: (a) Textura bi-dimensional aplicada
Page 85 and 86: 8.4 Texture EnvironmentNo exemplo P
Page 87 and 88: 8.5.2 Texture WrapNormalmente espec
Page 89 and 90: imagem da textura. A biblioteca GLU
Page 91 and 92: Capítulo 9Mapeamento de Texturas:
Page 93 and 94: Fazer o bind do estado da textura a
Page 95 and 96: Onde x, y, z e w são as coordenada
Page 97 and 98: Figura 9.6: Sphere MapFigura 9.7: C
Page 99 and 100: O valor utilizado no primeiro argum
Page 101 and 102: Capítulo 10Curvas e Superfícies10
Page 103 and 104: 10.1.2 Desenho de Superfícies Quá
Page 105 and 106: (a) inner=0(b) inner=0.25Figura 10.
Page 107 and 108: A curva da Figura 10.10b é uma cur
Page 109 and 110: Figura 10.12: Curva de Bézier 2D10
Page 111 and 112: Figura 10.14: Superfície de Bézie
Page 113 and 114: Desenhar Geometria (3)gl. glEndList
Page 115 and 116: Apêndice BTabelasB.1 Formato de Im
Page 117 and 118: Apêndice CCódigo FonteC.1 Example
Page 119 and 120: gl. glPushMatrix ();gl. glLightfv (
Page 121 and 122: public void init ( GLAutoDrawable d
Page 123 and 124: Reverter as ( possiveis ) transform
Page 125 and 126: Activar as Luzesgl. glEnable ( GL2
Page 127: gl. glTexCoord2f (0f, 0f);cBackRigh
Page 131 and 132: }}return img ;@Overridepublic void
Page 133 and 134: private float fLowLight [] = { 0.25
Page 135 and 136: Carregar e Ler a imagem para a noss
Page 137 and 138: gl. glBindTexture ( GL2 . GL_TEXTUR
Page 139 and 140: }private void setupLight ( GL2 gl)
Page 141 and 142: public class Bezier2D extends JFram
Page 143 and 144: import pt.ipb . esact .cg.gl. GLVec
Page 145 and 146: }glu . gluPerspective (100f, fAspec
Page 147 and 148: ctrlPoints . add (4f, 0f, 0f); // E
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Manual de Apoio 2010

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