Bilgisayar Grafikleri(2016) – OpenGL Hafta-10
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.media.opengl.*;
import javax.media.opengl.awt.GLCanvas;
import javax.media.opengl.glu.GLU;
import com.jogamp.opengl.util.FPSAnimator;
import static javax.media.opengl.GL.*; // GL sabitlerini import et
import static javax.media.opengl.GL2.*; //
//sudo apt-get install libjogl2-java
//.bashrc classpath tanimlamasi
//export CLASSPATH=/usr/share/java/jogl2.jar:/usr/share/java/gluegen2-rt.jar:$CLASSPATH
class vertex{
float x,y,z;
vertex(float x,float y, float z)
{
this.x=x;
this.y=y;
this.z=z;
}
void olustur(GL2 gl)
{
gl.glVertex3f(x, y, z);
}
}
public class taslak extends GLCanvas implements GLEventListener {
private static String BASLIK = "başlık";
private static int CIZIMALANI_GENISLIK = 320;
private static int CIZIMALANI_YUKSEKLIK = 240;
private static int FPS = 60;
private GLU glu;
public taslak() { //yapilandirici
this.addGLEventListener(this);
}
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
GLCanvas canvas = new taslak(); // upcasting, sınıftan nesne
canvas.setPreferredSize(new Dimension(CIZIMALANI_GENISLIK, CIZIMALANI_YUKSEKLIK)); // cizim alani boyut tanimlamasi
final FPSAnimator animator = new FPSAnimator(canvas, FPS, true); // cizim alani
JFrame frame = new JFrame(BASLIK); // pencere nesnesi
frame.getContentPane().add(canvas); // cizim alaninin pencereye eklenmesi
frame.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) { // program sonlandildiginda
new Thread() {
public void run() {
if (animator.isStarted()) animator.stop(); // calisiyorsa durdur
System.exit(0);
}
}.start();
}
});
frame.pack(); // pencere boyutunu icerige gore ayarla
frame.setVisible(true); // pencereyi gorunur yap
animator.start(); // cizimi baslat
}
});
}
public void dispose(GLAutoDrawable drawable) { } // kaynaklari serbest birakma
// baslangic durumlari
vertex[] noktalar;
public void init(GLAutoDrawable drawable) {
GL2 gl = drawable.getGL().getGL2();
glu = new GLU();
gl.glClearColor(0.0f, 0.0f, 0.0f, 0.0f); // arka plan rengi
gl.glEnable(GL_DEPTH_TEST);
noktalar= new vertex[8];
noktalar[0]=new vertex(1f,1f,1f); // A
noktalar[1]=new vertex(1f,-1f,1f); // B
noktalar[2]=new vertex(-1f,-1f,1f); // C
noktalar[3]=new vertex(-1f,1f,1f); // D
noktalar[4]=new vertex(1f,1f,-1f); // A'
noktalar[5]=new vertex(1f,-1f,-1f); // B'
noktalar[6]=new vertex(-1f,-1f,-1f); // C'
noktalar[7]=new vertex(-1f,1f,-1f); // D'
}
public void cizdir(GL2 gl, int[] index)
{
gl.glBegin(GL_QUADS);
for(int i=0;i<index.length;i++)
noktalar[index[i]].olustur(gl);
gl.glEnd();
}
// cizim alani degisince cizimi olcekle
public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) {
GL2 gl = drawable.getGL().getGL2();
float aspect=(float)1.2; // olcek
gl.glViewport(0, 0, 320, 240); // gorunecek sahnenin pencere uzerindeki koordinatlari ve boyutu (gorus alani)
gl.glMatrixMode(GL_PROJECTION); //izdusum matrisini sec
gl.glLoadIdentity(); // matrisi baslangic durumuna getir
glu.gluPerspective(45.0, aspect, 0.1, 100.0); // persipektif goruntu kameranin bulundugu noktan cikan isinlara ait aci, yeni cercevenin en/boy orani, yeni cercevenin bakis noktasina olan yakinlik ve uzakligi
gl.glMatrixMode(GL_MODELVIEW); // model matrisini sec
gl.glLoadIdentity(); // matrisi baslangic durumuna getir
}
// cizim
float aci1=0f, aci2=0f, aci3=0f;
public void display(GLAutoDrawable drawable) {
GL2 gl = drawable.getGL().getGL2();
gl.glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); //yeniden cizim icin tampon bellek temizligi
gl.glLoadIdentity(); // matrisleri sifirla
//gl.glRotatef(aci, 0f, 1f, 0f);
gl.glTranslatef(0f, 0.0f, -10.0f);
gl.glRotatef(aci1, 0f, 1f, 0f);
gl.glColor3f(0.0f, 0.0f, 1.0f);
cizdir(gl,new int[]{0,1,2,3}); // on
cizdir(gl,new int[]{0,1,5,4}); // sag yan
cizdir(gl,new int[]{4,5,6,7}); // arka
cizdir(gl,new int[]{4,0,3,7}); // ust
cizdir(gl,new int[]{3,7,6,2}); // sol
cizdir(gl,new int[]{1,5,6,2}); // alt
aci1+=0.5f;
gl.glRotatef(aci2, 0f, 1f, 0f); // kirmizinin mavi etrafindaki konumu
gl.glTranslatef(3f, 0.0f, 0f);
gl.glRotatef(aci3, 0f, 1f, 0f); // kirmizinin kendi ekseni etrafindaki konumu
gl.glColor3f(1.0f, 0.0f, 0.0f);
cizdir(gl,new int[]{0,1,2,3}); // on
cizdir(gl,new int[]{0,1,5,4}); // sag yan
cizdir(gl,new int[]{4,5,6,7}); // arka
cizdir(gl,new int[]{4,0,3,7}); // ust
cizdir(gl,new int[]{3,7,6,2}); // sol
cizdir(gl,new int[]{1,5,6,2}); // alt
aci2-=0.8f;
aci3+=2f;
}
}
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.media.opengl.*;
import javax.media.opengl.awt.GLCanvas;
import javax.media.opengl.glu.*;
import com.jogamp.opengl.util.FPSAnimator;
import static javax.media.opengl.GL.*; // GL sabitlerini import et
import static javax.media.opengl.GL2.*; //
//sudo apt-get install libjogl2-java
//.bashrc classpath tanimlamasi
//export CLASSPATH=/usr/share/java/jogl2.jar:/usr/share/java/gluegen2-rt.jar:$CLASSPATH
public class taslak extends GLCanvas implements GLEventListener {
private static String BASLIK = "başlık";
private static int CIZIMALANI_GENISLIK = 320;
private static int CIZIMALANI_YUKSEKLIK = 240;
private static int FPS = 60;
private GLU glu;
public taslak() { //yapilandirici
this.addGLEventListener(this);
}
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
GLCanvas canvas = new taslak(); // upcasting, sınıftan nesne
canvas.setPreferredSize(new Dimension(CIZIMALANI_GENISLIK, CIZIMALANI_YUKSEKLIK)); // cizim alani boyut tanimlamasi
final FPSAnimator animator = new FPSAnimator(canvas, FPS, true); // cizim alani
JFrame frame = new JFrame(BASLIK); // pencere nesnesi
frame.getContentPane().add(canvas); // cizim alaninin pencereye eklenmesi
frame.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) { // program sonlandildiginda
new Thread() {
public void run() {
if (animator.isStarted()) animator.stop(); // calisiyorsa durdur
System.exit(0);
}
}.start();
}
});
frame.pack(); // pencere boyutunu icerige gore ayarla
frame.setVisible(true); // pencereyi gorunur yap
animator.start(); // cizimi baslat
}
});
}
public void dispose(GLAutoDrawable drawable) { } // kaynaklari serbest birakma
// baslangic durumlari
public void init(GLAutoDrawable drawable) {
GL2 gl = drawable.getGL().getGL2();
glu = new GLU();
gl.glClearColor(0.0f, 0.0f, 0.0f, 0.0f); // arka plan rengi
gl.glEnable(GL_DEPTH_TEST);
}
// cizim alani degisince cizimi olcekle
public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) {
GL2 gl = drawable.getGL().getGL2();
float aspect=(float)1.2; // olcek
gl.glViewport(0, 0, 320, 240); // gorunecek sahnenin pencere uzerindeki koordinatlari ve boyutu (gorus alani)
gl.glMatrixMode(GL_PROJECTION); //izdusum matrisini sec
gl.glLoadIdentity(); // matrisi baslangic durumuna getir
glu.gluPerspective(45.0, aspect, 0.1, 100.0); // persipektif goruntu kameranin bulundugu noktan cikan isinlara ait aci, yeni cercevenin en/boy orani, yeni cercevenin bakis noktasina olan yakinlik ve uzakligi
gl.glMatrixMode(GL_MODELVIEW); // model matrisini sec
gl.glLoadIdentity(); // matrisi baslangic durumuna getir
}
// cizim
float aci1=0f,aci2=0f;
public void display(GLAutoDrawable drawable) {
GL2 gl = drawable.getGL().getGL2();
gl.glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); //yeniden cizim icin tampon bellek temizligi
gl.glLoadIdentity(); // matrisleri sifirla
gl.glTranslatef(0f, 0.0f, -30.0f);
gl.glColor3f(1.0f, 1.0f, 0.0f); // sarı
GLUquadric gunes = glu.gluNewQuadric();
glu.gluSphere(gunes,3f,15,15);
glu.gluDeleteQuadric(gunes);
gl.glRotatef(aci2,0.3f,1f,0f); // dunyanin gunes etrafindaki donusu icin
gl.glTranslatef(10f, 0.0f, 0.0f);
// gl.glRotatef(aci3,0f,1f,0f); // dunyanin kendi eksen donusu icin
gl.glColor3f(0.0f, 0.0f, 1.0f); // sarı
GLUquadric dunya = glu.gluNewQuadric();
glu.gluSphere(dunya,1f,15,15);
glu.gluDeleteQuadric(dunya);
gl.glRotatef(aci1,0f,1f,0f);
gl.glTranslatef(2f, 0.0f, 0.0f);
gl.glColor3f(1.0f, 1.0f, 1.0f);
GLUquadric ay = glu.gluNewQuadric();
glu.gluSphere(ay,0.1f,15,15);
glu.gluDeleteQuadric(ay);
aci1+=0.6f;
aci2+=0.2f;
}
}
