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Доброго времени суток. Столкнулся с проблемой отображения полигонной фигуры в OpenGL: | Код |
/*
This is task of making a house, first try.
by Oleksandr Malyutin
*/
import java.awt.*;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.Frame;
import java.nio.Buffer;
import java.nio.ByteBuffer;
import java.nio.FloatBuffer;
import javax.media.opengl.GL;
import javax.media.opengl.GL2;
import javax.media.opengl.GLAutoDrawable;
import javax.media.opengl.GLCapabilities;
import javax.media.opengl.GLEventListener;
import javax.media.opengl.awt.GLCanvas;
import javax.media.opengl.glu.GLU;
import com.jogamp.opengl.util.FPSAnimator;
import com.jogamp.opengl.util.GLBuffers;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
public class MyBox extends Frame implements GLEventListener, KeyListener{
private static final long serialVersionUID = 1L;
//set the size of the window
public static final Dimension PREFERRED_FRAME_SIZE=
new Dimension (900,600);
public static void main(String[] args) throws IllegalArgumentException, IllegalAccessException{
Frame f =new MyBox();
f.pack();
f.setVisible(true);
f.addWindowListener(new WindowAdapter(){
public void windowClosing(WindowEvent e){
System.exit(0);
}
});
}
public float Ry = 0;
public MyBox(){
super("Simple 3D box with OpenGL");
System.out.println("constructor of Lesson1");
GLCapabilities capabilities= new GLCapabilities(null);
GLCanvas canvas = new GLCanvas(capabilities);
canvas.addGLEventListener(this);
add(canvas, BorderLayout.CENTER);
//this is for animation
FPSAnimator animator = new FPSAnimator(canvas,1);
animator.add(canvas);
animator.start();
canvas.addKeyListener(this);
}
public Dimension getPreferredSize(){
return PREFERRED_FRAME_SIZE;
}
public void display (GLAutoDrawable drawable){
System.out.println("display()");
GL2 gl = drawable.getGL().getGL2();
final GLU glu = new GLU();
gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL2.GL_DEPTH_BUFFER_BIT);
gl.glMatrixMode(GL2.GL_MODELVIEW);
gl.glLoadIdentity();
// capabilities= new GLCapabilities(null);
//GLCanvas canvas = new GLCanvas(capabilities);
//FPSAnimator animator = new FPSAnimator(canvas,30);
//animator.add(canvas);
//animator.start();
//canvas.addKeyListener(this);
//first three numbers -- XYZ position, where we are
//second three numbers -- XYZ position, where we want to look
//third three numbers -- normalized vector
//glu.gluLookAt(1.0f, 0.8f, 1.9f, 0.0f, 0.3f, 0.0f, 0.0f, 1.0f, 0.0f);
glu.gluLookAt(1.0f, 0.8f, 1.9f, 0.0f, 0.5f, 0.0f, 0.0f, 1.0f, 0.0f);
gl.glTranslatef(0.8f, 0.2f, 1.9f);
gl.glPushMatrix();
gl.glRotatef(Ry, 0, 1, 0);
drawHouse((GL2)gl,null);
gl.glPopMatrix();
//this.drawCube((GL2)gl,null);
//drawHouse((GL2) gl, null);
}
public void displayChanged (GLAutoDrawable drawable,
boolean modeChanged,
boolean deviceChanged){
System.out.println("displayChanged()");
}
public void init(GLAutoDrawable drawable){
System.out.println("init()");
GL2 gl= (GL2) drawable.getGL().getGL2();
gl.glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
gl.glColor3f(0.0f, 0.0f, 0.0f);
gl.glPointSize(4.0f);
}
public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height){
System.out.println("reshape()");
GL2 gl= drawable.getGL().getGL2();
final GLU glu = new GLU();
gl.glViewport(0, 0, width, height);
//gl.glMatrixMode(GL2.GL_PROJECTION);
gl.glLoadIdentity();
glu.gluPerspective(45, (width*1.0f)/height, 1, 20);
}
//the function that draws a cube
protected void drawHouse(GL2 gl, Buffer pt){
System.out.println("Draw vertex House");
//the xyz of each point
final float pt2[]= new float[]{
0,0,0, //0
0,1,0, //1
1,0,0, //2
1,1,0, //3
0,0,2, //4
0,1,2, //5
1,0,2, //6
1,1,2, //7
//these points are for door
1,0,1.4f, //8
1,0.6f,1.4f, //9
1,0.6f,0.6f, //10
1,0,0.6f, //11
//these points are for front windows
1,0.4f, 1.8f, //12
1,0.6f, 1.8f, //13
1,0.6f, 1.6f, //14
1, 0.4f, 1.6f, //15
1,0.4f, 0.4f, //16
1,0.6f, 0.4f, //17
1,0.6f, 0.2f, //18
1, 0.4f, 0.2f, //19
//these point are for back windows
0,0.5f, 1.8f, //20
0,0.7f, 1.8f, //21
0,0.7f, 1.1f, //22
0, 0.5f, 1.1f, //23
0,0.5f, 0.9f, //24
0,0.7f, 0.9f, //25
0,0.7f, 0.2f, //26
0, 0.5f, 0.2f, //27
//these points are for the roof
0.5f,1.5f, 2.0f, //28
0.5f, 1.5f, 0.0f, //29
//additional pointers for front windows and doors
1,0, 1.8f, //30
1,1.0f, 1.8f, //31
1,1.0f, 1.6f, //32
1,0, 1.6f, //33
//additional pointers for door
1,1,1.4f, //34
1,1,0.6f, //35
1,0, 0.4f, //36
1,1, 0.4f, //37
1,1, 0.2f, //38
1,0, 0.2f, //39
//additional pointers for back windows
0,0, 1.8f, //40
0,1, 1.8f, //41
0,1, 1.1f, //42
0,0, 1.1f, //43
0,0, 0.9f, //44
0,1, 0.9f, //45
0,1, 0.2f, //46
0,0, 0.2f, //47
};
//set the colour to black
gl.glColor3f(0.0f, 0.0f, 0.0f);
FloatBuffer vb = (FloatBuffer) GLBuffers.newDirectGLBuffer(GL2.GL_FLOAT,196);
vb.put(pt2);
vb.rewind();
gl.glEnableClientState(GL2.GL_VERTEX_ARRAY);
gl.glVertexPointer(3, GL2.GL_FLOAT, 0, vb);
final byte [] vertIndex = new byte [] {
6,30,31,7,
13,31,32,14,
12,30,33,15,
33,8,34,32,
9,10,35,34,
11,36,37,35,
36,39,19,16,
17,18,38,37,
39,2,3,38,
2,0,1,3,
6,7,5,4,
4,6,2,0,
47,0,1,46,
25,26,46,45,
44,47,27,24,
43,44,45,42,
40,43,23,20,
21,22,42,41,
4,40,41,5,
5,7,3,1,
7,28,29,3,
5,28,29,1,
//the cube of house
//6,2,3,7,
//7,3,1,5,
//5,1,0,4,
//4,6,2,0,
//0,2,3,1,
//4,6,7,5,
//the door
//8,9,10,11,
// the front windows
//12,13,14,15,
//16,17,18,19,
//the rear windows
//20,21,22,23,
//24,25,26,27,
//the roof
//7,28,29,3,
//5,28,29,1,
};
ByteBuffer ib = (ByteBuffer) GLBuffers.newDirectGLBuffer(GL2.GL_UNSIGNED_BYTE, 196);
ib.put(vertIndex);
ib.rewind();
//make our house like a frame
gl.glPolygonMode(gl.GL_BACK, gl.GL_LINE);
gl.glPolygonMode(gl.GL_FRONT, gl.GL_LINE);
gl.glDrawElements(GL2.GL_QUADS, 196, GL2.GL_UNSIGNED_BYTE, ib);
gl.glDisableClientState(GL2.GL_VERTEX_ARRAY);
}
public void keyPressed(KeyEvent e){
if(e.getKeyCode()==KeyEvent.VK_ESCAPE){
System.exit(0);
}
if(e.getKeyCode()==KeyEvent.VK_D){
Ry=Ry+2;
System.out.println("Event");
}
if(e.getKeyCode()==KeyEvent.VK_A){
Ry=Ry-2;
System.out.println("Event");
}
}
protected void drawCube(GL2 gl, Buffer pt){
System.out.println("Draw vertex CUBE");
final float pt2[]= new float[]{
0,0,0,
0,1,0,
1,0,0,
1,1,0,
0,0,1,
0,1,1,
1,0,1,
1,1,1,
};
gl.glColor3f(0.0f, 0.0f, 0.0f);
FloatBuffer vb = (FloatBuffer) GLBuffers.newDirectGLBuffer(GL2.GL_FLOAT,24);
vb.put(pt2);
vb.rewind();
gl.glEnableClientState(GL2.GL_VERTEX_ARRAY);
gl.glVertexPointer(3, GL2.GL_FLOAT, 0, vb);
final byte [] vertIndex = new byte [] {6,2,3,7,5,1,0,4,7,3,1,5,4,6};
ByteBuffer ib = (ByteBuffer) GLBuffers.newDirectGLBuffer(GL2.GL_UNSIGNED_BYTE, 24);
ib.put(vertIndex);
ib.rewind();
gl.glDrawElements(GL2.GL_QUADS, 24, GL2.GL_UNSIGNED_BYTE, ib);
gl.glDisableClientState(GL2.GL_VERTEX_ARRAY);
}
public void keyReleased(KeyEvent e){}
public void keyTyped(KeyEvent e){}
@Override
public void dispose(GLAutoDrawable arg0) {
// TODO Auto-generated method stub
}
}
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Выводит обрезанный дом, примерно вот так:  Помогите пожалуйста вывести домик как следует. |
Отображение фигуры в OpenGL 
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