Attachment 856 Details for Bug 1430 – JOGLQuad example

JOGLQuad example

JOGLQuad.java (text/plain), 3.16 KB, created by crougier on 2023-03-09 16:27:07 CET

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Creator: crougier

Created: 2023-03-09 16:27:07 CET

Size: 3.16 KB

patch

obsolete

>package jogl.test;
>
>import java.awt.Frame;
>import java.awt.event.WindowAdapter;
>import java.awt.event.WindowEvent;
>
>import com.jogamp.opengl.GL;
>import com.jogamp.opengl.GL2;
>import com.jogamp.opengl.GL2ES1;
>import com.jogamp.opengl.GLAutoDrawable;
>import com.jogamp.opengl.GLEventListener;
>import com.jogamp.opengl.awt.GLCanvas;
>import com.jogamp.opengl.fixedfunc.GLLightingFunc;
>import com.jogamp.opengl.fixedfunc.GLMatrixFunc;
>import com.jogamp.opengl.util.Animator;
>
>/**
> * Self-contained example (within a single class only to keep it simple)
> * displaying a rotating quad
> */
>public class JOGLQuad implements GLEventListener
>{
>
>  private float rotateT = 0.0f;
>
>  @Override
>  public void display(GLAutoDrawable gLDrawable)
>  {
>    final GL2 gl = gLDrawable.getGL().getGL2();
>    gl.glClear(GL.GL_COLOR_BUFFER_BIT);
>    gl.glClear(GL.GL_DEPTH_BUFFER_BIT);
>    gl.glLoadIdentity();
>    gl.glTranslatef(0.0f, 0.0f, -5.0f);
>
>    // rotate about the three axes
>    gl.glRotatef(rotateT, 1.0f, 0.0f, 0.0f);
>    gl.glRotatef(rotateT, 0.0f, 1.0f, 0.0f);
>    gl.glRotatef(rotateT, 0.0f, 0.0f, 1.0f);
>
>    // Draw A Quad
>    gl.glBegin(GL2.GL_QUADS);
>    gl.glColor3f(0.0f, 1.0f, 1.0f); // set the color of the quad
>    gl.glVertex3f(-1.0f, 1.0f, 0.0f); // Top Left
>    gl.glVertex3f(1.0f, 1.0f, 0.0f); // Top Right
>    gl.glVertex3f(1.0f, -1.0f, 0.0f); // Bottom Right
>    gl.glVertex3f(-1.0f, -1.0f, 0.0f); // Bottom Left
>    // Done Drawing The Quad
>    gl.glEnd();
>
>    // increasing rotation for the next iteration
>    rotateT += 0.2f;
>  }
>
>  @Override
>  public void init(GLAutoDrawable glDrawable)
>  {
>    GL2 gl = glDrawable.getGL().getGL2();
>    gl.glShadeModel(GLLightingFunc.GL_SMOOTH);
>    gl.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
>    gl.glClearDepth(1.0f);
>    gl.glEnable(GL.GL_DEPTH_TEST);
>    gl.glDepthFunc(GL.GL_LEQUAL);
>    gl.glHint(GL2ES1.GL_PERSPECTIVE_CORRECTION_HINT, GL.GL_NICEST);
>  }
>
>  @Override
>  public void reshape(GLAutoDrawable gLDrawable, int x, int y, int width, int height)
>  {
>    GL2 gl = gLDrawable.getGL().getGL2();
>    final float aspect = (float) width / (float) height;
>    gl.glMatrixMode(GLMatrixFunc.GL_PROJECTION);
>    gl.glLoadIdentity();
>    final float fh = 0.5f;
>    final float fw = fh * aspect;
>    gl.glFrustumf(-fw, fw, -fh, fh, 1.0f, 1000.0f);
>    gl.glMatrixMode(GLMatrixFunc.GL_MODELVIEW);
>    gl.glLoadIdentity();
>  }
>
>  @Override
>  public void dispose(GLAutoDrawable gLDrawable)
>  {}
>
>  public static void main(String[] args)
>  {
>    // System.setProperty("sun.awt.noerasebackground", "true");
>    final GLCanvas canvas = new GLCanvas();
>    final Frame frame = new Frame("Jogl Quad drawing");
>    final Animator animator = new Animator(canvas);
>    canvas.addGLEventListener(new JOGLQuad());
>    frame.add(canvas);
>    frame.setSize(640, 480);
>    // frame.setResizable(false);
>    frame.addWindowListener(new WindowAdapter()
>    {
>      @Override
>      public void windowClosing(WindowEvent e)
>      {
>        animator.stop();
>        frame.dispose();
>        System.exit(0);
>      }
>    });
>    frame.setVisible(true);
>    animator.start();
>    canvas.requestFocus();
>  }
>}

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Attachments on bug 1430: 856