javaopengljogl
How to move 3D Models in Java 3D by Mouse or KeyBoard
i have a project Jug3D in java with jogl, and i want to move it with mouse or keyboard. i tried to search and write the code . how i can add mouseAdapter or keyboardAdapter to move the shape?
My Sourcecode
(need to add JOGL Library):
JOGL Library
===========================================================
output
===========================================================
package Jug3D;
import com.jogamp.newt.Window;
import com.jogamp.newt.event.awt.*;
import com.jogamp.opengl.GL;
import com.jogamp.opengl.GL2;
import com.jogamp.opengl.GLAutoDrawable;
import com.jogamp.opengl.GLCapabilities;
import com.jogamp.opengl.GLEventListener;
import com.jogamp.opengl.GLProfile;
import com.jogamp.opengl.awt.GLJPanel;
import com.jogamp.opengl.util.gl2.GLUT;
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.event.*;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javafx.animation.*;
public class Jug3D extends JPanel implements GLEventListener {
public static void main(String[] args) {
JFrame window = new JFrame("JUG 3D");
window.setContentPane(new Jug3D());
window.pack();
window.setLocation(50,50);
window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
window.setVisible(true);
}
private GLJPanel display;
private float rotateX, rotateY; // rotation amounts about axes, controlled by keyboard
public Jug3D() {
GLCapabilities caps = new GLCapabilities(null);
display = new GLJPanel(caps);
display.setPreferredSize( new Dimension(600,600) ); // TODO: set display size here
display.addGLEventListener(this);
setLayout(new BorderLayout());
add(display,BorderLayout.CENTER);
// TODO: Other components could be added to the main panel.
rotateX = 15; // initialize some variables used in the drawing.
rotateY = 15;
// TODO: Uncomment the next two lines to enable keyboard event handling
//requestFocusInWindow();
//addKeyListener(this);
// TODO: Uncomment the next one or two lines to enable mouse event handling
//display.addMouseListener(this);
//display.addMouseMotionListener(this);
}
// --------------- Methods of the GLEventListener interface -----------
private GLUT glut = new GLUT(); // for drawing the teapot
/**
* This method is called when the OpenGL display needs to be redrawn.
*/
public void display(GLAutoDrawable drawable) {
// called when the panel needs to be drawn
GL2 gl = drawable.getGL().getGL2();
gl.glClearColor(0,0,0,0); // BG Color *
gl.glClear( GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT );
gl.glMatrixMode(GL2.GL_PROJECTION); // same like texture *
gl.glLoadIdentity();
gl.glOrtho(-1,1,-1,1,-2,2); // position of jug
gl.glMatrixMode(GL2.GL_MODELVIEW); // same like texture *
gl.glLoadIdentity(); // Set up modelview transform.
gl.glRotatef(rotateY,0,1,0);
gl.glRotatef(rotateX,1,0,0);
// TODO: add drawing code!! As an example, draw a GLUT teapot
glut.glutSolidTeapot(0.5); // size of glut
}
/**
* This is called when the GLJPanel is first created. It can be used to initialize
* the OpenGL drawing context.
*/
public void init(GLAutoDrawable drawable) {
// called when the panel is created
GL2 gl = drawable.getGL().getGL2();
gl.glClearColor(0.8F, 0.8F, 0.8F, 1.0F);
gl.glEnable(GL.GL_DEPTH_TEST);
gl.glEnable(GL2.GL_LIGHTING);
gl.glEnable(GL2.GL_LIGHT0);
gl.glEnable(GL2.GL_COLOR_MATERIAL);
gl.glEnable(GL2.GL_NORMALIZE);
}
public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) {
}
public void dispose(GLAutoDrawable drawable) {
}
}
Solution
Here is the full source code (using JOGL 2.3)
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionListener;
import javax.swing.JFrame;
import javax.swing.SwingUtilities;
import com.jogamp.opengl.GL;
import com.jogamp.opengl.GL2;
import com.jogamp.opengl.GLAutoDrawable;
import com.jogamp.opengl.GLCapabilities;
import com.jogamp.opengl.GLEventListener;
import com.jogamp.opengl.GLProfile;
import com.jogamp.opengl.awt.GLCanvas;
import com.jogamp.opengl.util.Animator;
import com.jogamp.opengl.util.gl2.GLUT;
public class G1 extends JFrame implements GLEventListener, MouseMotionListener {
private static final long serialVersionUID = 7376825297884956163L;
private float rotateX, rotateY;
private int lastX, lastY;
public G1() {
super("G1");
setSize(800,600);
setDefaultCloseOperation(EXIT_ON_CLOSE);
GLProfile glProfile = GLProfile.getDefault();
GLCapabilities glCapabilities = new GLCapabilities(glProfile);
glCapabilities.setDoubleBuffered(true);
GLCanvas glCanvas = new GLCanvas(glCapabilities);
glCanvas.addGLEventListener(this);
glCanvas.addMouseMotionListener(this);
add(glCanvas);
addMouseMotionListener(this);
rotateX = 0f; rotateY = 0f;
Animator a = new Animator(glCanvas);
a.start();
}
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
G1 g1 = new G1();
g1.setVisible(true);
}
});
}
@Override
public void display(GLAutoDrawable drawable) {
GL2 gl = drawable.getGL().getGL2();
gl.glClearColor(0,0,0,0);
gl.glClear( GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT );
gl.glMatrixMode(GL2.GL_PROJECTION);
gl.glLoadIdentity();
gl.glOrtho(-1,1,-1,1,-2,2);
gl.glMatrixMode(GL2.GL_MODELVIEW);
gl.glLoadIdentity();
gl.glRotatef(rotateX,0,1,0);
gl.glRotatef(rotateY,1,0,0);
(new GLUT()).glutSolidTeapot(0.5);
}
@Override
public void init(GLAutoDrawable drawable) {
GL2 gl = drawable.getGL().getGL2();
gl.glClearColor(0.8F, 0.8F, 0.8F, 1.0F);
gl.glEnable(GL.GL_DEPTH_TEST);
gl.glEnable(GL2.GL_LIGHTING);
gl.glEnable(GL2.GL_LIGHT0);
gl.glEnable(GL2.GL_COLOR_MATERIAL);
gl.glEnable(GL2.GL_NORMALIZE);
}
@Override
public void reshape(
GLAutoDrawable arg0, int arg1, int arg2, int arg3, int arg4) {
}
@Override
public void dispose(GLAutoDrawable arg0) {
}
@Override
public void mouseMoved(MouseEvent e) {
lastX = e.getX();
lastY = e.getY();
}
@Override
public void mouseDragged(MouseEvent e) {
rotateX += e.getX() - lastX;
rotateY += e.getY() - lastY;
lastX = e.getX();
lastY = e.getY();
}
}